Bosch SP0F000059 Style Line 2" Ammeter Gauge Black Face User Manual

Boxch produces a full line of gauges with

many dierent styles.

1-1/2" — “Mini” Black Bezel

1-1/2" — "Mini" Chrome Bezel

2" — Black and Chrome Bezels

(See page 2 for hole sizes.)

Gauges allow you to monitor the condition

of your vehicle and to tell how well it is per

forming. If there are any problems, you can

detect them immediately before they become

severe. Warning lights only tell you when the

problem already requires immediate atten

tion. You will nd that the addition of these

gauges will add to your peace of mind and

driving comfort.

MICROPROCESSOR-CONTROLLED ENGINES

operation. If your vehicle is one of these

you CANNOT replace the sender(s) with any

other. You can add an additional oil pressure

sender with a “Tee Adapter Kit” but the only

possible way to install a non OEM water

temperature sender is to install the new

sender in a dierent location, retaining the

OEM unit in its original location. Check with

the vehicle’s manufacturer or dealer to see

if this is possible.

Many newer vehicles employ microproces-

sors that control most of the engine and

electrical functions. Microprocessors are

very sensitive electrical components. Before

installing any aftermarket equipment consult

the vehicle’s manufacturer or shop manual

to make certain that no damage will result.

Some of these newer vehicles use electric

cooling fans or microprocessor engine

controls that depend on readings from the

original equipment sending units for correct

not be lengthened)?

 •Isthevehicle’selectricalsystem12volt

and negatively grounded?

3. It is recommended that the battery

ground cable be disconnected before any

electrical work is performed, especially

when installing Ammeters or Voltmeters.

4. Route all wiring and gauge tubing away

from linkages, high heat or moving parts.

1. Read the entire instructions for your

gauge before proceeding.

2. Be sure the gauge is suitable for your

vehicle:

 •Doesthegauge’srangecoverthevehi-

cle’s operating range?

 •Willthetubingofthemechanicalgauges

reach from the engine connection point

to the gauge (temperature gauges can-

INSTALLATION & SAFETY PRECAUTIONS

GENERAL MOUNTING INSTRUCTIONS

AMMETER GAUGE

VOLTMETER GAUGE

TEMPERATURE GAUGE

PRESSURE GAUGE

VACUUM/ECONOMETER/

BOOST GAUGE

FUEL LEVEL GAUGE

INSTALLATION

INSTRUCTIONS

0002-000-200601RevD

FULL ONE (1) YEAR WARRANTY

BoschAutomotiveServiceSolutions,3000ApolloDrive,BrookPark,OH44142,warrantstotheuser

that this unit will be free from defects in materials and workmanship for a period of one (1) year from

the date of original purchase.

Any unit that fails within this period will be repaired or replaced at Bosch's option and without charge

when returned to the factory. Bosch requests that a copy of the original, dated sales receipt be returned

with the unit to determine if the warranty period is still in eect.

This warranty does not apply to damages caused by accident, alterations, or improper or unreasonable use.

Expendable items, such as batteries, fuses, lamp bulbs, ash tubes are also excluded from this warranty.

BOSCH AUTOMOTIVESERVICE SOLUTIONSDISCLAIMSANYLIABILITY FOR INCIDENTAL OR CONSE-

QUENTIALDAMAGESFORBREACHOFANYWRITTENWARRANTYONTHEUNIT.Somestatesdonot

allow the disclaimer of liability for incidental or consequential damages, so the above disclaimer may

or may not apply to you. This warranty gives specic legal rights, and you may also have rights which

vary from state to state.

3000ApolloDrive

BrookPark,Ohio44142

Forwarrantyinformation:1-800-228-7667

5. Never smoke while working on your ve-

hicle and always keep a re extinguisher

nearby. It should be rated for gas/chem-

ical/electrical res.

6. Never lay tools on top of the battery or

wear jewelry during electrical work to

avoid severe electrical shorts.

GAUGE MOUNTING

All gauges can be mounted into a surface of

your choice or into a panel. Single, dual &

triple gauge mounting panels are produced

for all size gauges. Some panels are in black

or chrome nishes.

1. Choose a location to mount the gauge

where it will be viewable from a normal

driving position (fuel pressure gauges

should never be mounted within the

interior of the vehicle).

2. If you are using a mounting panel, mount

it at the chosen location with the screws

provided.

If you are creating a hole, make the hole:

GAUGESTYLEHOLESIZE

 1-1/2" 1-5/8"(41mm)

2" 2-1/16" (53 mm)

3. Fordashlightingdimmersthatcontrol

the positive side (Diagram 2A) of the

lighting circuit:

Diagram

Connect the black wire into the circuit between

the dimmer control and the dash lights. Con-

nect the red wire to the fuse box so that the

wire only receives +12-volt power when the

dash lights are turned on.

GAUGE

DASHBOARD

BRACKET

NUTS&

WASHERS

TOPVIEW

Diagram1

Diagram2B

DASH

LIGHTING

GROUND

+12

Volts

DIMMER

CONTROL

+12

Volts

RED

BLACk/

NEGATIVE

GAUGE

FORGROUND(NEGATIVE)-SIDE

DIMMERCONTROLS

DIMMER

CONTROL

RED

+12

Volts

DASH

LIGHTING

GROUND

BLACk

GROUND

GAUGE

—FORTWO-WIREBULBHOLDER—

Connect the red wire into the circuit between

the dimmer control and the dash lights.

Connect the black wire to a good electrical

ground.

—FORONE-WIREBULBHOLDER—

Connect the one wire into the circuit between

the dimmer control and the dash lights. Ob-

tainalengthof18-gaugeinsulatedcopper

wire and connect one end of the wire to a

good electrical ground source and the other

end to one of the mounting bracket posts.

 Fordashlightingdimmersthatcontrol

thegroundedside(Diagram2B)ofthe

lighting circuit:

—FORTWO-WIREBULBHOLDER—

FORPOSITIVE-SIDE

DIMMERCONTROLS

Fuel level gauges accurately measure the

depth, not the amount, of fuel left in the

fuel tank. Because of the variety of fuel tank

shapes, a universal gauge such as this gauge

cannot accurately compensate for the dier-

ent rates that the fuel drops at various tank

depths.ThisFuelLevelSenderinstructions

include adjustment procedures that are re-

quired to complete the installation.

PRECAUTIONS

1. The sender is not designed as a direct

replacement for factory senders. Instal-

lation may require fabrication.

2. Because of the danger of working around

gasoline, it is suggested you observe the

following:

A.) All safety precautions in the front of

this instruction booklet, including the

re extinguisher availability and battery

ground cable removal.

 B.)Drain fuel fromthefueltankintoa

safe, vented container and remove the

fuel tank from the vehicle if any modi-

cationstothetankarenecessary.Fillthe

tank with water to displace fuel vapors.

3. The fuel level gauge and sender require

the best ground connections available

for an accurate reading.

INSTALLATION

1. ReadtheFuelLevelSender’sinstructions

and follow them for installation of the

sender.

2. Route a length of 18-gauge insulated

copper wire from the gauge mounting

location to the connection on top of the

sender and connect the wire to the gauge

sender.

3. Facingthebackofthegauge,thecon-

nection post on the right is for the +12

Volt power, the center post is for the

ground connection and the left post is

for the sender connection. After you

have mounted the gauge, connect the

sender wire to the left connection post.

AttachthewireasshowninDiagram7,

page7.Donotovertighten.

4. Connect another length of 18-gauge

insulated copper wire to the center

connectionpostasshowninDiagram7,

page7,andtheotherendofthewiretoa

good ground source. Scrape away paint

or dirt from the surface of the ground

connection.

5. Connect a third length of 18-gauge

insulated copper wire to the right con-

nectionpostasshowninDiagram7,page

7,andtheotherendofthewireshould

be connected to the fuse box where

the wire will receive +12 volts of power

whenever the ignition key is in a START,

ON or ACCESSORY position.

6. Double-checkthatthewireconnections

are located and attached properly and

then reconnect the battery ground cable.

7. Rellthefueltank,observingthegauge

for proper operation as you do. Be sure

that all water has been removed and the

tank thoroughly dried before relling.

TROUBLESHOOTING

If the gauge indicates too low a fuel level

compared to the actual level, recheck all

connections for poor contact, particularly

the ground connections, as this will cause

increased electrical resistance and false low

readings.

If the gauge does not indicate full or empty

at the proper fuel levels, recheck your adjust-

ments to the sender so you are sure that it is

getting full travel of the oat arm.

FUEL LEVEL INSTRUCTIONS

—FORONE-WIREBULBHOLDER—

Connect the wire to the fuse box so it re-

ceives only +12-volt power when the dash

lightsareon.Obtainalengthof18-gauge

insulated copper wire and connect one end

to the gauge mounting bracket or panel.

Connect the other end of the wire into the

circuit between the dimmer control and the

dash lights. Insulate the gauge and bracket

from grounded surfaces.

4. Refer to specic instructions for the

gauge you are installing. They explain

other connections that should be made

before mounting is completed.

5. Insert the gauge into the mounting panel

or hole.

6. Insert the bulb holder into the bulb socket

on the back of the gauge.

7. Install the appropriate mounting bracket

(Diagram1:insulatedornon-insulated)

over the mounting posts (Diagram 3),

slide on washer, plus a lock washer if

supplied, and tighten the nut with only

light pressure. If the gauge is an electrical

model, be sure you use a bracket that

has grommets to insulate the posts from

the mounting bracket. This does not

apply to gauges using separate bracket

mounting posts from the posts used for

wire connections.

8. Positionthegaugeforbestvisibilityand

appearance, then tighten the bracket

nuts with moderate pressure. Do not

over- tighten these nuts when using an

insulated bracket. Excess pressure can

distort the grommets causing them to

crack and short the wiring, even months

after installation.

9. Refer to the specic instructions for the

gauge you are now installing to complete

any other connections.

NUTS&

WASHERS

INSULATED

U-BRACkET

DASHBOARD

LIGHT

GAUGE

U-BRACkET

LIGHT

Electrical Gauges Shown

Diagram

NUTS&

WASHERS

GAUGE

7. Completethemountingofthegauge.

8. Start the engine and check forproper

gaugeoperation.(RefertotheHowTo

Usesection).Forboostgauges,youwill

need to consult manufacturer’s specica-

tions for what rpm and pressure should

be maximum boost and at what rpm the

engine transfers to boost from vacuum.

TROUBLESHOOTING

1. If your engine idles roughly, check the

tubing and ttings for leaks. Sealing

tape or compound can usually be used

to solve these leaks.

2. If the gauge’s vacuum reading changes

when the brake pedal is pressed, then

you will need to select another vacuum

attachment point.

HOW TO USE

An Econometer is merely a vacuum gauge

with dierent markings to directly indicate

the economy benets of each area of vacuum

operation.

POOR(0-10")—AccelerationorLoadrequires

a more open throttle position. Open throttle

means more air & gas ow for more horse-

power, reducing vacuum and fuel economy.

NORMAL(10-20")—Cruisecondition,fairly

steady throttle position, most useful econ-

omy range.

DECELERATION(20-30")—Throttleisnearly

closed, momentum of vehicle or downhill

gradecarryvehicleforward. Little horse-

power required, least fuel used.

3. Never connect the ammeter into the cir-

cuit between the battery and the starter/

solenoid.

4. Good electrical connections are import-

ant for maintaining gauge accuracy and

avoiding heat build-up in the wiring.

INSTALLATION

As the many dierent vehicles that have

been produced have minor dierences in

the routing and connection points of their

charging systems, it is not possible to pro-

vide specic information for each vehicle.

TheeightdrawingsofDiagram5coverthe

relevant connection points of virtually every

charging system in modern vehicles. You

must determine which drawing matches

your system. If you have diculty in locating

any of these connection points refer to a

wiring diagram in an owner/service manual

or contact your local dealer/auto electrical

repair shop for assistance.

An ammeter measures the amperage (rate

of ow of electricity) passing through it. The

goal of installation is to reroute all the power

throughtheammeter(Diagram4)thatdrains

or charges the battery, except the power

needed to operate the starter motor. When

the vehicle is operating above idle speed, the

ammeter should be indicating “0”, or a slight

charge condition, which shows a balance of

charging and draining of the battery.

Read all precautions and installation instruc-

tions carefully before proceeding with any

installation work as the potential for elec-

trical damage or re exists if an ammeter is

improperly connected.

PRECAUTIONS

1. Never ground either of the connection

posts of the ammeter.

2. Always use a wire size rated to handle an

electrical load equal to, or greater than,

the manufacturer’s specied output of

your alternator or generator.

AMMETER INSTRUCTIONS

Diagram 4

RIGHT

WRONG

TOALTERNATOR

POSITIVETERMINA L

TO ALTERNATOR

POSITIVETERMINA L

To ALTERNATOR

positive terminal

To ALTERNATOR

positive terminal

All of these type gauges measure the vacuum

and/or pressure existing within the intake

manifold of the vehicle. They use dierent

ranges or markings to cover dierent needs

and applications. A vacuum or econometer

gauge measures the vacuum created as the

engine draws air into its cylinders. A boost

gauge measures the same vacuum, as well as

the pressure when an external turbocharger

or supercharger pushes air into the engine.

An engine that is not supercharged or turbo-

charged will generally have a vacuum reading

between12and18"Hg(inchesofmercury)at

idle. Check the manufacturer’s specications

for more exact readings for your engine at

idle speed and other rpm. All of these gauges

can aid you in monitoring engine eciency,

achieving the best fuel economy and noticing

engine malfunctions immediately.

PRECAUTIONS

1. Be sure the source of vacuum you pick is a

direct source and not in the brake booster

or other accessory line, otherwise the

reading may be inaccurate or unsteady.

2. Be sure your tubing and tting con-

nections are complete and sealed, for

a vacuum leak will cause rough engine

operation at idle, and inaccurate read-

ings.

INSTALLATION

ForGaugesWithaBarbedFitting:

1. Findalocationonyourintakemanifold

where you can either unscrew a plug in

the manifold or nd a vacuum hose you

can cut to splice in a barbed T-tting.

2. Fromthetubingkit,eitherscrewinthe

barbed manifold tting or splice the

barbed T-tting into a suitable vacuum

line. This is done by cleanly cutting the

VACUUM/ECONOMETER/BOOST

INSTRUCTIONS

tubing and then pressing each cut end

of the tubing tightly into the opposing

barbs of the T-tting.

3. Unrollafewfeetofvacuumtubingand

press the end tightly into the remaining

barb of the T-tting.

4. Route the remaining tubing through

the rewall into the gauge, leaving at

least one 3" or larger loop in the tubing

before it enters the rewall and protect

the tubing from any rough edges of the

rewall.Pressthetubingtightlyonto

the barb on the back of the gauge.

5. Start the engine and check for proper

gauge operation. (Refer to the HowTo

Use section).

ForGaugeswith1/8"NPT(Threaded)Fitting

(Diagram11,page12):

1. Findalocationonyourintakemanifold

where you can screw in the engine tting.

Manifolds often have removeable plugs.

2. Fromthetubingkit,screwintheengine

tting into the manifold at the location

you selected.

3. Uncoilafewfeetoftubingandslidea

hex nut and ferrule over the end of the

tubingasshowninDiagram9,page11.

4. Insert the tubing into the engine tting

and then tighten the hex nut into the

engine tting.

5. Route the remaining tubing through the

rewall to the gauge, leaving at least one

3" or larger loop in the tubing before it

enters the rewall and protecting the

tubing from any rough edges of the

rewall.

6. Attach the hex nut adapter to the back

of the gauge and then attach the tubing

asinSteps3&4.ReferalsotoDiagram

11, page 12.

Battery

Before After

Battery

Diagram

COMPRESSION

FITTING

GAUGE

TUBING

1/8"NPT

GAUGE

HExNUT

FERRULE

ForElectricalGauges:

1. If you are monitoring a uid system,

drain the uid level to a level below the

warning light sender location.

2. Remove the warning light sender from

the engine and insulate the end of the

sender wire if a T-tting is not being used.

Install the gauge sender in the same lo-

cation in the engine block. If an adapter

is required, rst install the adapter (not

included) and then the gauge’s sender.

3. OptionalT-tting(Diagram10)—Install

the nipple into the T-tting and tighten

the other end of the nipple into the

warning light sender location in the en-

5. Ifthegaugehasa1/8"NPTttingonthe

back (Diagram 11), install the hex nut

adapter to it.

6. Route the remaining tubing through the

rewall to the gauge mounting location.

Leaveatleastone3"orlongerloopinthe

tubing before it enters the rewall and

protect the tubing from rough edges of

the rewall hole.

7. RepeatStep3toattachthetubingtothe

gauge.

8. Completethemountingofthegauge.

9. Rell the uid level, if drained, to its

normal level.

10. Start the engine and observe the tting

connections for leaks and the gauge for

proper operation.

gine block. Install an adapter tting rst

if needed. In one of the two remaining

openings in the T-tting, insert the gauge

sender. Insert the warning light into the

remaining T-tting opening. Install the

adapter tting rst, if needed.

4. Run a length of 18-gauge insulated

copper wire from the gauge sender to

the gauge mounting location.

5. Connect the wire to the connection on

top of the gauge sender.

6. Facingthebackofthegauge,thecon-

nection post on the right is for + 12

Volts of power, the center post is for the

ground connection and the left post

is for the sender connection. After you

have mounted the gauge, connect the

sender wire to the left connection post

asshowninDiagram7,page7.Donot

over tighten.

7. Connectoneend ofanotherlengthof

18-gaugeinsulatedcopperwiretothe

center connection post, as shown in

Diagram7,page7,andtheotherendof

the wire to a good ground source.

8. Connectathirdlengthof18-gaugeinsu-

lated copper wire to the right connection

post as shown in Diagram 7, page 7,

and the other end of the wire should be

connected to the fuse box where the wire

will receive + 12 Volts of power whenever

the ignition key is in the START, ON, or

ACCESSORY position.

9. Rell the uid level, if drained, to its

normal level.

10. Start the engine and observe the tting

connections for leaks and the gauge for

proper operation.

TROUBLESHOOTING

If your electrical gauge reads lower than you

would expect, check all electrical connec-

tions, particularly grounding connections.

Any poor connection will increase resistance

resulting in a false low reading.

Diagram11

HExNUT

ADAPTER

The following connection points are repre-

sentedinthedrawingsofDiagram5:

S– Starter/Solenoid: the main power

wire to the battery (largest wire)

A– Alternator/Generator: the main power

wire to the battery (largest wire at alter-

nator)and,inDrawings1&5,thewire

from the ignition/accessories

I– Ignition/Accessory: the main power

wire, which receives power regardless

of ignition key position

Z– Junction:inDrawings4&8,where“I”

connects into the circuit

Note: The circuit from the battery (B) to alter-

nator (A) or starter (S) to alternator (A) may

also contain a junction block, horn relay or

headlight relay, which is not shown. One of

theseislikelytobeconnection“Z”inDraw-

ings4&8.Theselocationsareoftenhandy

connections that you can disconnect and

then attach the ammeter wires to.

1. AfteryouhaveidentiedwhichBEFORE

Drawingrepresentsyourchargingsys-

tem,observethecorrespondingAFTER

Drawingwhichindicateshowtoconnect

the ammeter into your charging system.

2. Findaconvenientlocationinthecircuit

fromthebatterytothealternator(Draw-

ings 1 - 4) or the starter to the alternator

circuit(Drawings5 -8)whereyoucan

break the circuit by unbolting a connec-

tion.InDrawings4&8,thisshouldbeat

Connection“Z”.

3. IfyoursystemmatchesDrawings2,3or

6, disconnect the Ignition/Accessory (I)

wire at “B” or “S”.

4. Choose a wire size from the table in

Diagram6thatisalargeenoughgauge

(larger size wire has a smaller gauge

number) to handle the maximum rated

output of your vehicle alternator/gener-

ator. Obtain two lengths of this size wire,

each long enough to go from the location

chosen in Step 2, to the ammeter mount-

ing location at the dashboard. Attach

closed-eyedtypeconnectors(Diagram

7,page7),toeachendofbothwires.

Diagram

5. At the location chosen in Step 2, discon-

nect all the wires at the connection except

the wire going to the battery.

6. Connect an end of one of the wires you

obtained in Step 4 to all the wires you

disconnected in Step 5.

7. Connect an end of the remaining wire

from Step 4 to the connection in Step 5

that still has the battery wire attached to

it.

8. IfyoursystemmatchesDrawings2,3,or

6, connect the wire you disconnected in

Step 3 to the wires already connected in

Step6.Useanadditionalpieceofsimilar

sized wire to join these wires, if necessary.

9. Insulate all connections and use a suitable

method to fasten down the wires in Step

6and8.

10. Route the two ammeter wires to the

mounting location for the ammeter.

Insulate the opening in the rewall the

wires will pass through.

11. Mount the gauge and attach the remain-

ing end of the wire from Step 6 to the

ammeter connection post marked with a

“+”.Followthesequenceofwasher-wire-

nutshowninDiagram7,page7.

12. Attach the remaining end of the wire from

Step7totheammeterconnectionpost

marked with a “–” sign, again following

Diagram7,page7.

13. Reconnect the battery ground cable. As

you do, watch for sparks and check if the

wiring you worked with is getting warm.

Ifeitherconditionisnoted,IMMEDIATELY

disconnect the battery ground cable and

read the

Troubleshooting section.

WIRESIZEMAx.AMP.RATING

12 25

10 40

  8  65

6 95

4 125

WARNING: If your car is microprocessor (computer) controlled or has an electric cooling fan refer to the

sectiononthefrontcovertitledMICROPROCESSORCONTROLLEDENGINES.

Pressuregaugescanmeasurethepressure

present in a system utilizing air or liquids. An

electrical pressure gauge is simpler and more

versatile for installation than a mechanical

gauge but is not quite as fast to respond to

pressure changes and is not made with more

than a 90 degree needle sweep, compared

to a mechanical gauge which may have up

toa270degreesweep.Thefactorywarning

light sender can be retained to operate the

warning light with the use of a T-tting which

is commonly available at auto parts stores.

PRECAUTIONS

1. Check the owner’s or service manual,

or your local dealer, to be sure that the

normal pressures during cold-start and

fully-warmed operation for your engine

or air system are within the gauge range.

2. Be sure the tubing kit for the mechanical

gauge is long enough for your applica-

tion.

3. Followtheinstructionscarefully.Aleak

that goes unnoticed may lead to serious

engine damage.

4. Donotusesealingtapesorcompounds

on electrical senders. This will disturb

their grounding connection to the

engine/system, resulting in false low

readings.

5. Be careful not to crimp the tubing while

unrollingit.Donotuseanysectionof

tubing with a crimp or kink in it. If the

nylon tubing is a little awkward to use

because of being rolled, heat it in boiling

water and let the tubing cool while it is

unrolled.

INSTALLATION

Note: If you are planning to install an oil

temperature gauge as well as an oil pressure

gauge,readtheNoteunderINSTALLATIONin

TEMPERATURE—WATER/OILINSTRUCTIONS.

ForMechanicalGauges:

1. If you are monitoring a uid system,

drain the uid level to a level below the

warning light sender location.

2. Remove the warning light sender from

the engine and install the engine tting

in the same location. If an adapter is

required, rst install the adapter (not

included) and then the engine tting.

3. Uncoilafewfeetoftubingandslidethe

hex nut and ferrule over the end of the

tubingasinDiagram9.Insertthetubing

into the engine tting, and then tighten

the hex nut into the engine tting.

4. OptionalT-Fitting(Diagram10)—Install

the nipple into the T-tting and tighten

the other end of the nipple into the

warning light sender location. Install an

adapter tting rst if needed. In one of the

two remaining openings in the T-tting,

insert the engine tting and then follow

Step 3 to connect the pressure tubing.

Insert the warning light sender into the

remaining T-tting opening. Install an

adapter tting rst, if needed.

Diagram

TUBING

HExNUT

ENGINE

FITTING

FERRULE

OPTIONAL

ADAPTER

OIL/AIR PRESSURE INSTRUCTIONS

Diagram10

ENGINE

BLOCk

OPTIONAL

ADAPTER

ELECTRICAL

GAUGESENDER

HOSE

FERRULE

WARNINGLIGHT

SENDER

ENGINE

FITTING

T-FITTING

NIPPLE

lTROUBLESHOOTING

1. If, when you reconnected the battery

ground cable, you noticed sparks or any

of the wiring getting warm, check that

all connections are properly located, and

insulated from grounding.

2. With the vehicle not running and the

battery reconnected, turn the headlights

on to high beam and observe the am-

meter. The gauge should show a drain

(–) condition. If a charge (+) condition is

shown, reverse the wires on the “+” and

“–” posts on the back of the ammeter. If

the ammeter shows no change, the circuit

from Ignition/Accessory (I) has not been

properly included in the connections to

the “+” side of the gauge.

CLOSED-EYE

CONNECTOR

Diagram7

WIRE

U-BRACkET

GROMMET

GAUGE

NUT

WASHER

FLATWASHER

NUT

DONOTLEAVEANYHARDWARE

OUTOFTHESECONNECTIONS

2"AMMETERONLY:

3-PRONGU-BRACkET

GAUGE

NUT

WASHER

5. Complete the mounting of the gauge.

6. Rell the uid level to its normal level.

7. Starttheengineandobservethetting

connections for leaks and the gauge for

proper operation.

6. Facingthebackofthegauge,thecon-

nection post on the right is for the +12

Volt power, the center post is for the

ground connection and the left post

is for the sender connection. After you

have mounted the gauge, connect the

sender wire to the left connection post

asshowninDiagram7,page7.Donot

over tighten.

7. Connectoneendofanotherlengthof

18-gaugeinsulatedcopperwiretothe

center connection post, as shown in

Diagram7,page7andtheotherendof

the wire to a good ground source.

8. Connect a third length of 18-gauge

insulated copper wire to the right con-

nection post as shown in Diagram 7,

page7,andtheotherendofthewire

should be connected to the fuse box

where the wires will receive +12 Volts

of power whenever the ignition key is

in a START, ON, or ACCESSORY position.

9. Rell the uid level to its normal level.

10. Start the engine and observe the tting/

sender connections for leaks and the

gauge for proper operation.

TROUBLESHOOTING

If your electrical gauge reads lower than

expected, check all electrical connections,

particularly grounding connections. Any

poor connection will increase electrical

resistance resulting in a false low reading.

ForElectricalGauges:

1. Draintheuidlevelinthesystemtobelow

the sender’s mounting location, which is

normally the factory warning light sender

location.

2. Remove the warning light sender and

insulate the end of the sender wire. Install

the proper adapter tting (not included)

into the engine block, if needed.

3. Install the gauge sender into the warning

light sender mounting location in the

engine block.

4. Runalengthof18-gaugeinsulatedcopper

wire from the gauge mounting location to

the sender’s mounting location.

5. Attachthe18-gaugewireontothetopof

the gauge sender.

CAPILLARY

TUBE

CAPTIVE

FITTING

CAPILLARY

TUBETIP

Diagram8

A voltmeter measures the voltage (pressure

of electricity) passing through it. Most vehi-

cles will show between 13 and 15 volts while

being operated above idle speed. Check your

owners manual or dealer for a more exact

normal voltage for your vehicle. A voltmeter

is useful in that it can give a warning of many

electrical problems and can show many

problems faster than an ammeter.

PRECAUTIONS

1. Follow the instructions carefully for

the sequence of nuts and washers on

the connection posts of the voltmeter

(Diagram7,page7).

2. Disconnect the battery ground cable

before working on the voltmeter con-

nections.

INSTALLATION

1. Connectalengthof18-gaugeinsulated

copper wire to a good ground source.

Be sure the grounding surface is a good

ground source as not all metal surfaces

inside the vehicle are well grounded. This

wire should be long enough to reach the

voltmeter mounting location.

2. Connectanotherlengthof18-gaugewire

to a location on the fuse box where the

wire will receive power whenever the

ignition key is in the START, ON, or AC-

CESSORY positions. This wire should also

be long enough to reach the voltmeter.

3. After mounting the gauge, the wire from

the ground source (Step 1) should be

connectedasshowninDiagram7,page

7, to the voltmeter’s connection post

marked “–”

4. The wire from the fuse box (Step 2) should

beconnectedasshowninDiagram7,

page 7, to the voltmeter’s connection

post marked “+”.

5. Reconnect the battery ground cable. As

you do, watch for sparks and check if the

wiring you worked with is getting warm.

Ifeitherconditionisnoted,IMMEDIATELY

disconnect the battery ground cable and

read the Troubleshooting section.

TROUBLESHOOTING

1. If, when you reconnected the battery

ground cable, you noticed sparks or any

of the wiring getting warm, check that

all connections are properly located, and

insulated from grounding.

2. If the reading on the gauge stays at the

lowest marked voltage when the ignition

is switched on, try reversing the wires on

the gauge connection posts “+” and “–”.

3. If the gauge reads lower than you expect,

check all connections, especially those

to a ground source. A poor connection

causes resistance which gives a false low

reading.

VOLTMETER INSTRUCTIONS

Warning: If your car is microprocessor (computer) controlled or has an electric cooling fan, refer to the

sectiononthefrontcovertitledMICROPROCESSORCONTROLLEDENGINES.

engine rst and then tighten the captive

tting(Diagram8)onthecapillarytube

to avoid twisting the tubing.

6. Never install the captive tting on the

capillary tube directly into the engine

without an adapter, as a proper seal will

not be formed.

INSTALLATION

Note: If you are planning to use both an oil

temperature gauge and an an oil pressure

gauge, some modications may be neces-

sary as there is only one available hole for

both senders. Since the temperature gauge

cannot use a T-tting, you must install the

oil temperature sender into the oil pressure

warning light sender location in the engine

block. Then obtain an adapter used for oil

coolers which will give you an additional

outlet for oil pressure.

ForMechanicalGauges:

1. Drain the uid level in the system to

below the sender’s mounting location

which is normally the factory’s warning

light sender location.

2. Route the capillary tubing through

the mounting hole for the gauge and

then through the rewall, protecting

thetubingfromroughedges. Format

least one 3" or larger loop of tubing as

it comes through the rewall and route

the remainder to the sender mounting

locations.

3. Remove the warning light sender and

install the proper adapter tting into the

engine block.

4. Insert the capillary tube tip into the

adapter’s hole and then tighten, with

moderate pressure only, the captive t-

ting(Diagram8)intotheadapter.Donot

over tighten. Sealing tape or compound

may be used on either connection.

Temperature gauges measure the tempera-

ture of any liquid its sender tip is submerged

in. An electrical temperature gauge is simpler

and more versatile for installation than a

mechanical gauge but is not quite as fast to

respond to temperature changes and is not

made with more than a 90° needle sweep,

compared to a mechanical gauge which may

haveuptoa270°sweep.

PRECAUTIONS

1. A temperature gauge requires that its

sender tip have a circulating ow around

ittogivean accuratereading.Forthis

reason, a T-tting cannot be used be-

cause it has no circulation therefore the

original warning light sender cannot

be operated o the same location. An

additional location may be available on

the cylinder head, intake manifold, or

thermostat housing but caution should

be used in that these locations may have

dierent average temperatures than the

original warning light sender location.

2. Donotovertightenthettingsorsender,

particularly for mechanical gauges. The

threads are designed to strip before the

engine component can be damaged. The

ttings use tapered self-sealing threads

and do not require extreme force to seal

properly.

3. Donotusesealingtapesorcompounds

on electrical senders as this will disturb

their grounding connection to the engine

resulting in false low readings.

4. Take caution when uncoiling and routing

the mechanical gauge capillary tubing

that you do not bend it too sharply or

ex it too often. Any break in the inner

tube will make the gauge irreparable. A

replacement service is available only at

the factory service center.

5. Always install the adapter tting into the

WATER/OIL TEMPERATURE INSTRUCTIONS

Bosch SP0F000059 Style Line 2" Ammeter Gauge Black Face - FST 8214

Product's Documents

Installation Instructions Document # 0002-000-200601

Specifications

Bosch SP0F000059 Questions and Answers