Installation Guide
FCTP-GM1903
Compatible with IOS and IOT Touchscreen Radios
Silverado/Sierra Light Duty Trucks (2019-Present)
Trailering Camera System
2
Installation Guide
2
tel - 1-866-766-2267
email - gmsupport@echomaster.com
Illustrations are typical and may not match exact vehicle detail
FCTP-GM1903
Trailering Camera System
Please read and follow the instructions carefully. To emphasize special information, the symbol
and the words Warning, Caution and Note have special meanings. Pay special attention to
messages highlighted by these signal words.
Note: Indicates special information to make installation easier or instructions clearer.
These instructions are designed as a guide to help make the installation of this product successful.
Always use caution and ask for assistance if you are not sure how to proceed.
AAMP Global & EchoMaster are not responsible for any damage that may occur during installation
or any changes to the vehicle interior.
Important
WARNING
Indicates a potential hazard
that could result in a death
or serious injury
CAUTION
Indicates a potential hazard
that could result in vehicle
damage
NOTE
Indicates a potential hazard
that could result in vehicle or
equipment damage
NOTE
Consult Vehicle owners guide
before disconnecting negative
battery cable
WARNING
DO NOT TOUCH the positive
terminal with any tool when
removing the negative battery
cable
Vehicle Preparation & Protection
Consult your vehicle owner’s manual to disconnect the battery. Do not disconnect ANY airbag connectors or
indicators. Doing so may result in activating a diagnostic code. These codes will require the dealer to perform
the reset procedure which may incur a reset fee. If you are unsure of any vehicle trim removal process consult
the OEM service manual.
Removing vehicle trim panels in extreme hot and/or cold climate could result in damage. Use care when
removing all vehicle trims. Using painter’s blue tape on the vehicle trim panels can help limit any scratches
and / or marring. Use a nylon trim panel removal tool whenever possible.
CAUTION
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Installation Guide
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tel - 1-866-766-2267
email - gmsupport@echomaster.com
Illustrations are typical and may not match exact vehicle detail
FCTP-GM1903
Trailering Camera System
What’s in the Box
Parts Description
FCTP-GM1903
Image Part Number Description Qty
1
GMS3-USB-CBL USB Update Cable for FC-GMS3 Interface
1
2 GMS3-CEH-HAR Camera Harness for FC-GMS3
1
3 GMS3-LVDS-HAR LVDS Harness for FC-GMS3
1
4
GMS3-M2F-48 48” 4 Pin Camera Extension Harness
1
5 GMS3-PTH-HAR Power / CAN Harness for FC-GMS3
1
6
RVC-W8-FLTR-HAR Power Filter Harness for RVC-W8
1
7
GMS3-M2F-108 108” 4 Pin Camera Extension Harness
1
8
GMS3-KEYPAD Keypad Tester for FC-GMS3
1
9 SCPT1LD/SVC-03 Side Mirror Cap Camera Mounts (L&R)/Cameras
1
10 FC-GMS3 Interface Module For 2019+ GM Trucks 1
11
FC-GMS3-BRK Mounting Bracket for FC-GMS3
1
12
RVC-W8 Wireless Trailer Camera and Receiver.
1
1 2
3
4
5 6 7 8
9 10 11
12
4
Installation Guide
4
tel - 1-866-766-2267
email - gmsupport@echomaster.com
FCTP-GM1903
Trailering Camera System
Setting the Dip Switches
1
ON
2 3 4 5 6 7 8
ON =
No. Function
1 Left Camera On / Off
2 Right Camera On / Off
3 Front Camera On / Off
4 Trigger Wire (On) / CAN (Off)
5 Rear Camera - Aftermarket (On) / OEM (Off) Camera
6 No Function (Must Remain Off)
7 No Function (Must Remain Off)
8 No Function (Must Remain Off)
Dip Switch Settings
Please be sure to set all Dip Switches before plugging the interface module into the vehicle.
Tools Required
5
Installation Guide
5
tel - 1-866-766-2267
email - gmsupport@echomaster.com
Illustrations are typical and may not match exact vehicle detail
Step 1
Using a small flat blade pry tool remove the inner handle trim
panel to access the 7mm bolt behind it.
Door Disassembly
Step 2
Remove the 7mm bolt located behind the inner handle trim
panel
.
FCTP-GM1903
Trailering Camera System
Step 3
Locate and remove the 2 x 7mm bolts at the bottom edge of
the door panel
.
IndentationIndentation
6
Installation Guide
6
tel - 1-866-766-2267
email - gmsupport@echomaster.com
Illustrations are typical and may not match exact vehicle detail
Step 4
Starting at the front side of the door trim, use a plastic panel
removal tool to pry towards you to release the 3 clips attaching
it to the door. Once the 3 clips have been released, slide the
panel forward and set aside.
Door Disassembly (continued)
FCTP-GM1903
Trailering Camera System
Step 6
Starting at the top inside edge of the door panel, pull the
panel towards you to release the fasteners, working your
way down and towards the rear of the door and then back
up and towards the door lock post.
Step 5
Remove the 2 x 7mm bolts located behind the door trim
panel.
It is normal for the silver clips to remain in the door.
Using a small flat blade pry tool you should be able
to remove them from the door and place them back
onto the door trim.
NOTE
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Installation Guide
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tel - 1-866-766-2267
email - gmsupport@echomaster.com
Illustrations are typical and may not match exact vehicle detail
Once the door panel is removed, place in safe area to
avoid damage.
NOTE
FCTP-GM1903
Trailering Camera System
Step 7
Once all the fasteners have been released in step 6, lift up
on the door panel to remove it from the door.
Step 9
With the door panel still leaned toward you and away from
the door, disconnect the door harness. Do this by releasing
the red locking tab and rotating the large Gray slide lock tab
towards the ground.
Step 8
With the door panel leaned toward you and away from
the door, remove the door latch release cable. Do this by
pressing down on the tab, pulling back and then rotating the
fastener 90 degrees towards the door until the cable is able
to lift out of the retainer.
Red LockingRed Locking
Tab Tab
Gray SlideGray Slide
Lock Lock
8
Installation Guide
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tel - 1-866-766-2267
email - gmsupport@echomaster.com
Illustrations are typical and may not match exact vehicle detail
Step 1
Remove the plastic cap on the upper inside corner of the
door to gain access to the factory connectors.
Step 3
Remove the (4) x 13mm nuts from the inside of the door that
secure the mirror to the door. When removing the last one,
please ensure that the mirror is supported from the outside.
Failure to do this may result in damaging the mirror. Pull the
mirror away from the door.
FCTP-GM1903
Trailering Camera System
Step 2
Using a small flat blade screwdriver, release the red safety
lock and depress the tab to release the connector from the
mirror.
Removing the Mirrors
9
Installation Guide
9
tel - 1-866-766-2267
email - gmsupport@echomaster.com
Illustrations are typical and may not match exact vehicle detail
FCTP-GM1903
Trailering Camera System
Step 1
Slide the camera pod bucket onto the mounting base of the
mirror.
Step 2
Connect the camera extension cable to the camera and feed
it through the notch in the bucket and out the back of the
bucket by the mirror’s connector.
Installing the Camera Pods
10
Installation Guide
10
tel - 1-866-766-2267
email - gmsupport@echomaster.com
Illustrations are typical and may not match exact vehicle detail
Step 3
Line up the bucket and the camera pod and snap the two
together.
Step 5
Install the rubber gasket making sure the alignment posts
line up with the openings in the bucket so that the gasket sits
tight against the bucket all the way around.
FCTP-GM1903
Trailering Camera System
Step 4
Install the supplied (x6) Phillips head screws to secure the
bucket to the camera pod using a #1 Phillips head screw
driver.
Installing the Camera Pods (continued)
11
Installation Guide
11
tel - 1-866-766-2267
email - gmsupport@echomaster.com
Illustrations are typical and may not match exact vehicle detail
FCTP-GM1903
Trailering Camera System
Step 6
Feed the cable through the harness opening of the door
and re-install the mirror back onto the vehicle making sure
the bolt studs line up with the holes in the door. At this time
check that the camera extension cable has not been pinched
during this step and secure the mirror to the door using the
factory hardware.
Step 7
Connect the mirror harness to the mirror and push in the
locking tab. Secure the camera extension harness to the
factory wiring using a wire tie.
12
Installation Guide
12
tel - 1-866-766-2267
email - gmsupport@echomaster.com
Illustrations are typical and may not match exact vehicle detail
Routing the Camera Cables
FCTP-GM1903
Trailering Camera System
The camera cable must be run with and secured to the
factory wiring in the door. Failure to do this WILL result in
damage to the camera extension cable.
NOTE
Step 1
Release the rubber grommet from the
door by grabbing and pulling on the
attached tab.
Step 2
Remove the 7mm bolt securing the speaker,
unplug the speaker and set aside. This will
aide in routing the camera cable in the door.
Step 3
Route the camera cable down to the grommet removed
in step 1 making certain that it is run along side and
secured to the factory wiring. Please reference the
photo for proper routing of the cable.
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Installation Guide
13
tel - 1-866-766-2267
email - gmsupport@echomaster.com
Illustrations are typical and may not match exact vehicle detail
Step 4
Using a razor knife, make a small slit in
the grommet just large enough for the
camera cable to pass through. Route the
cable through the grommet starting from
the back side of the grommet.
FCTP-GM1903
Trailering Camera System
Step 5
Connect the GMS3-M2F-48 (passenger side) or the
GMS3-M2F-108 (driver side) to the camera cable by lining
up the arrows and pushing them together until fully seated.
Step 6
Make another slit in the grommet for the
GMS3-M2F extension cable to route
back into the door. Route this cable
through the grommet starting at the
outside of the grommet.
Step 7
Secure the remainder of the camera cable and attached
extension cable to the factory door harness using the supplied
zip ties. This is for ease of future service (if needed).
The camera cables must be run with and secured to the
factory wiring. Failure to do this may result in damage to
the camera cables.
NOTE
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Installation Guide
14
tel - 1-866-766-2267
email - gmsupport@echomaster.com
Illustrations are typical and may not match exact vehicle detail
FCTP-GM1903
Trailering Camera System
Step 8
Remove the door sill plate using a plastic
trim tool starting at the rear of the panel.
Work your way forward and release from
the kick area.
Once the door sill plate is removed, place in
safe area to avoid damage.
NOTE
Step 9
Push the door side of the wire boot into
the door.
Step 10
Release the top of the door boot on the
vehicle side using a plastic trim tool.
Routing the Camera Cables (continued)
15
Installation Guide
15
tel - 1-866-766-2267
email - gmsupport@echomaster.com
Illustrations are typical and may not match exact vehicle detail
FCTP-GM1903
Trailering Camera System
Step 11
Remove the under dash beauty panel
by removing the push pin fasteners.
(2 under the glove compartment and 1
towards the front of the vehicle)
Step 12
From inside the vehicle: route the fish
tape along the factory wiring, exiting
the vehicle just below the factory door
connector.
Depending on the vehicle’s trim level, it may be
easier to route the fish tape from outside of the
vehicle to inside of the vehicle.
NOTE
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Installation Guide
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tel - 1-866-766-2267
email - gmsupport@echomaster.com
Illustrations are typical and may not match exact vehicle detail
FCTP-GM1903
Trailering Camera System
The camera extension cables must be run with and
secured to the factory wiring in the door. Failure to do this
WILL result in damage to the camera extension cable.
NOTE
Step 13
Continue routing the fish tape through the door boot and into
the speaker opening. Secure the loose end of the GMS3-M2F
extension cable to the fish tape using electrical tape.
Step 14
Grab the fish tape from the inside of the vehicle and slowly pull
the camera extension cable into the vehicle making certain that
the camera extension cable follows the factory wiring in the door.
Secure the camera extension cable to the factory wiring inside the
door using the supplied zip ties.
Step 15 (Driver Side Only)
Route the cable following the factory wiring and keeping
the cable away from any moving parts to the passenger
side kick area.
Perform Steps 1-14 for the driver’s side door.
Routing the Camera Cables (continued)
17
Installation Guide
17
tel - 1-866-766-2267
email - gmsupport@echomaster.com
Illustrations are typical and may not match exact vehicle detail
Rear Wireless Camera Receiver
Step 1
Clean the surface and secure the 3M double sided
tape to the wireless camera receiver.
Step 2
Clean the surface and secure the wireless camera
receiver to the back window as shown in the
picture.
FCTP-GM1903
Trailering Camera System
18
Installation Guide
18
tel - 1-866-766-2267
email - gmsupport@echomaster.com
Illustrations are typical and may not match exact vehicle detail
Step 3
Release the retaining clips and remove the upper trim panel
from the C pillar and route the pigtail cable from the wireless
camera receiver. Make certain the cable is routed behind
any air bag hardware that is located in that area.
FCTP-GM1903
Trailering Camera System
Rear Wireless Camera Receiver (continued)
Step 4
Connect the 4 pin mini din cable from the wireless camera
receiver to the RVC-W8-FLTR cable near the in-line power
filter labeled “Camera Side”.
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Installation Guide
19
tel - 1-866-766-2267
email - gmsupport@echomaster.com
Illustrations are typical and may not match exact vehicle detail
Step 5
Remove the passenger side rear door sill using a plastic
trim tool. Pull loose the rubber door seal between the rear
door sill and the upper trim panel removed in step 3.
Step 7
Remove the front passenger seat trim panel and continue
routing the cable to the passenger kick area. Tuck the
cable behind the trim panels and under the carpet while
routing it to the front of the vehicle
FCTP-GM1903
Trailering Camera System
Step 6
Tuck the in-line filter box behind the trim panel and route
the RVC-W8-FLTR cable down from the power filter to the
floor area, then towards the front of the vehicle. Tuck the
cable behind the trim panels and under the carpet while
routing it to the front of the vehicle.
20
Installation Guide
20
tel - 1-866-766-2267
email - gmsupport@echomaster.com
Illustrations are typical and may not match exact vehicle detail
Module Assembly and Installation
FCTP-GM1903
Trailering Camera System
Step 1
At this time, refer to page 4 and set the DIP switches
according to your install.
DIP switches must be set prior to connecting the module
to the vehicle.
NOTE
Step 2
Connect the GMS3-PTH-HAR, GMS3-CEH-HAR &
GMS3-LVDS-HAR to the GMS3 module. Make certain all
connectors are fully seated before proceeding with the
install.
Step 3
Remove the 10mm retaining nut from the plastic bracket in
the passenger side kick area.
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Installation Guide
21
tel - 1-866-766-2267
email - gmsupport@echomaster.com
Illustrations are typical and may not match exact vehicle detail
FCTP-GM1903
Trailering Camera System
Step 5
Locate the factory radio brain high in the passenger
side kick area. Disconnect the Gray and Black 28 pin
connectors along with the LVDS cable which is located
next to the Black 28 pin connector. The LVDS connector
can easily be identified as it will have the Blue cable.
Step 4
Place the GMS3 mounting bracket onto the vehicle’s
plastic Multifunction Power Supply Converter Bracket
bracket according to the picture. Make sure that the C
portion of the mounting bracket clips all the way around
the plastic factory bracket. Reinstall and tighten the 10mm
retaining nut.
If factory Multifunction Power Supply Converter
Bracket (#2) is not present, one will be needed along
with the 10mm fasteners (#1) for the module to
mount correctly. Please consult with your GM parts
department for ordering.
NOTE
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Installation Guide
22
tel - 1-866-766-2267
email - gmsupport@echomaster.com
Illustrations are typical and may not match exact vehicle detail
Step 6
Connect the factory Gray and Black 28 pin
connectors to the GMS3-PTH-HAR and the
factory LVDS connector to the
GMS3-LVDS-HAR.
FCTP-GM1903
Trailering Camera System
Step 7
Connect the 2 Gray 28 pin connectors from the
GMS3-PTH-HAR and the LVDS connector from the
GMS3-LVDS-HAR into the factory radio brain.
Module Assembly and Installation (continued)
23
Installation Guide
23
tel - 1-866-766-2267
email - gmsupport@echomaster.com
Illustrations are typical and may not match exact vehicle detail
FCTP-GM1903
Trailering Camera System
Step 1
Before turning the ignition to the ON position for the first time
after the installation is finished, make certain that the LEDs
at the top of the module have stopped flashing. Failure to
do this will render the touch screen unresponsive. If you find
that this step was not completed and the touch screen is
unresponsive, turn the vehicle’s ignition to the OFF position
and wait until the LEDs have stopped flashing, then turn the
vehicle’s ignition to the ON position.
Step 2
Once the radio finishes the boot
up sequence, press and hold the
BACK button for 3 seconds. The
WARNING screen will appear.
Press the OK button.
Testing
Step 8
Connect the GMS3-M2F extension and TRAILER cables to the
GMS3-CEH-HAR harness. Line up the labels and connect in
the following orientation:
RIGHT ----------------- GMS3-M2F48
LEFT ------------------- GMS3-M2F108
FRONT ---------------- GMS3-M2F144 (Optional Front Camera)
TRAILER -------------- TRAILER
OTHER --------------- TRAILER (Optional 2nd Trailer Camera)
24
Installation Guide
24
tel - 1-866-766-2267
email - gmsupport@echomaster.com
Illustrations are typical and may not match exact vehicle detail
FCTP-GM1903
Trailering Camera System
Step 3
Once the Intellihaul 2.0 home screen appears, press the
corresponding button for the camera you wish to test. Pressing
the BACK button on the radio’s control panel will return you to
the Intellihaul 2.0 home screen.
NOTE
If a camera is not installed and the button is
pressed for that camera, a black screen will
be visible. Press the BACK button to select
another camera.
Step 4
A minor camera view adjustment is built into each of the views.
If you wish to adjust the view of the selected camera press and
hold the center of the screen for 5 seconds. Without lifting your
finger drag the image until the desired view is displayed and then
release.
Additional Testing
Activate the right turn signal. Verify the right camera is displaying on the radio’s screen.
Activate the left turn signal. Verify the left camera is displaying on the radio’s screen.
Place your foot on the brake and place the vehicle in reverse. The rear camera will display on the screen.
Place the vehicle back in park to go to back to the main display.
It is also possible to cycle through the inputs / cameras using the Keypad Tester included in the box. When
using the keypad tester, the camera label (left, right, front, rear) will be overlaid in the top left corner of the
screen to help identify which camera is being displayed. To use, connect the Keypad Tester into the GMS3-
CEH-HAR harness and press and release the button, the first camera in the rotation will be displayed. Press
and release the button again to change to the next camera. Once the camera rotation has finished, pressing
the button again will exit camera mode and return back to the main display
Once proper operation has been confirmed, ensure all factory components are in working order (radio’s touch
screen, radio controls, etc.) Once proper operation has been confirmed it is now time to secure any loose
components and/or cables and reassemble the vehicle.
Testing (continued)
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Installation Guide
25
tel - 1-866-766-2267
email - gmsupport@echomaster.com
FCTP-GM1903
Trailering Camera System
Notes:
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Installation Guide
26
tel - 1-866-766-2267
email - gmsupport@echomaster.com
Notes:
FCTP-GM1903
Trailering Camera System
27
Installation Guide
27
tel - 1-866-766-2267
email - gmsupport@echomaster.com
Notes:
FCTP-GM1903
Trailering Camera System
AGREEMENT: End user agrees to use this product in compliance with the instructions and terms of use above and with
all State and Federal laws. EchoMaster provides instructions and safety warnings with respect to this product and
disclaims all liability for any use not in conformity with those instructions or other misuse of its product. If you do not agree,
please discontinue use immediately and contact EchoMaster. This product is intended for off-road use and passenger
use only.
email - gmsupport@echomaster.com
tel - 1-866-766-2267
15500 Lightwave Drive, Suite 202, Clearwater, Florida 33760
EchoMaster is a Power Brand of AAMP Global.
EchoMaster.com
REV. 012121
