PAC SR-GM14HX SILVERADO/SIERRA INSTALLATION KIT User Manual

Stinger HORIZON10

Radio Replacement Kit for select

2014-2019 Silverado/Sierra Trucks

SR-GM14HX

Pacific Accessory Corporation

Page 1

Rev: V1

Date: 090424

Introduction and Features

The SR-GM14HX is a complete radio replacement kit for the installation of the Stinger HORIZON10

modular radio in Chevrolet

Silverado and GMC Sierra trucks. All modules, cables and adapters are included to retain important features of the factory system,

including: OnStar, front and rear park assist, warning chimes, factory reverse camera, steering wheel-mounted radio controls and

AM/FM reception. Plug & Play wiring harnesses allow for quick and easy installation without the need to cut or splice any wiring.

The display mounting panel allows ush mounting the 10 inch display without modifying/cutting any part of the vehicle’s sub-dash.

Important Notes

Recommended Tools

We recommend reading this manual thoroughly to familiarize yourself

with the entire process prior to beginning the installation.

1. HORIZON10 Display Mounting Panel

2. Dual USB Extension (SSUSB3)

3. AM / FM Antenna Adapter (BAA22)

4. Main Harness Adapter (SR-SRK-ADAPT-IX2XX)

5. Main Harness (SR-GM14H-HAR-A)

6. Vehicle Side Harness C (SR-GM14H-HAR-C)

7. Vehicle Side Harness B (SR-GM14H-HAR-B)

8. Radio Replacement Interface (RP5-GM51)

9. Steering Wheel Control Harness (GM5LIN-SW-HAR)

10. Factory Rear Camera Adapter (CAM-GM51-HAR)

11. IOB Display Harness (GM5CAM-DIS-HAR)

12. Chime Module (CMX)

13. Dierential Video Adapter (RPA-VA1)

14. Satellite Antenna Adapter (SAT-01)

15. Side Mounting Brackets (L & R)

Included Components

1. Does not retain the following factory features:

2. Not compatible with vehicles equipped with Bose amplied audio system.

3. Please make your vehicle settings selections before removing the factory radio for optimal installation time. Once the

radio has been removed, the vehicle settings which are normally selected through the factory radio can be accessed and

changed by downloading and installing the PAC Vehicle Settings program from http://www.pac-audio.com/rmware

4. The Voice button can be set to activate the factory OnStar function when pressed for longer than 1.5 seconds or given the

ability to control the aftermarket radio. This option can be found in the PAC Vehicle Settings program mentioned above in note

three. The default setting for this button is to control the factory OnStar. If this button is set to control the aftermarket radio,

OnStar can still be accessed by using the mirror controls.

5. For the HORIZON10 Display to be waterproof, you must install 6 waterproof plugs to the back of the touch panel display in the

screw holes not used for mounting.

● Factory satellite radio

● Rear seat entertainment system (RSE)

● Steering wheel control backlighting

● Factory USB Ports

Plastic Panel Tool

7mm Socket

10mm Socket

Pick Tool

Wire Feeder

Power Screwdriver

Ratchet

Torx T15 Screwdriver

Small Flat-blade Screwdriver

NOTE: Along with the SR-GM14HX components, additional

hardware and wire harnesses from the HORIZON10 (ix210)

kit will also be used in the installation.

Stinger HORIZON10

Radio Replacement Kit for select

2014-2019 Silverado/Sierra Trucks

SR-GM14HX

Pacific Accessory Corporation

Page 2

Rev: V1

Date: 090424

GPS

USB-C

USB-A

STINGER

DISPLAY

AV IN

16PIN

POWER

26PIN

GPS

ANT

Stinger

HORIZON10

Connections

SR-GM14HX

Connections

Connections shown are

all required for full

functionality of the kit

and radio. If adding

additional components,

additional connections

will be needed.

Connects to

SXV300 Satellite

Radio Tuner

(sold separately)

SSUSB3

REVERSE CAMERA IN

A/V IN

RPA-VA1

REVERSE CAM

AUX

CAM GM51 INPUT

SWC INPUT

CMX

chime module

SR-GM14H-HAR-B

SR-GM14H-HAR-A

SR-GM14H-HAR-C

CAM-GM51-HAR

GM5LIN-SW-HAR

CMX CHIME

RP5-GM51

SR-SRK-ADAPT-IX2XX

BAA22

SAT-01

Wiring Overview

Stinger HORIZON10

Radio Replacement Kit for select

2014-2019 Silverado/Sierra Trucks

SR-GM14HX

Pacific Accessory Corporation

Page 3

Rev: V1

Date: 090424

Before starting, determine the vehicle’s factory audio system by

referencing the Service Parts Identication sticker inside the

upper glove box.

The installations are very similar for each type of factory audio

system, but there are di󰀨erences referenced throughout this guide.

Note: The installation shown in this guide is IO5 with factory

rear camera and steering wheel controls.

One of these RPO codes will be listed:

IO3, IO4, IO5, IO6 or IOB

Section 1: Disassembly

Part One: Center Dash Disassembly

If equipped, remove the two

7mm screws from the CD/DVD

mechanism, remove and unplug.

(This plug will not be reconnected).

Remove the four 7mm screws

securing the radio display/climate

control panel. Pull outward to

release the retaining clips.

Remove all connectors from the

back of the panel.

Remove the radio display/climate

control trim panel using a plastic

trim tool to release the retaining

clips. Unplug any wire harnesses

from the back of the trim panel, if

equipped.

This installation manual will cover the necessary order of procedures to complete the installation

e󰀩ciently and to avoid redoing any steps. The order will be as follows; Disassembly, In-Vehicle Harness

Connections and Preparation, Interface and Main Harness Connections, Display Mounting Panel

Preparation, Radio Module Preparation and Radio Unit Installation.

The installation steps shown are all required for full functionality of the radio. If adding additional

components; cameras, ampliers, satellite radio, etc., additional steps and harnesses will be needed.

Factory Radio Code

Step 3

Step 1

Step 2

Stinger HORIZON10

Radio Replacement Kit for select

2014-2019 Silverado/Sierra Trucks

SR-GM14HX

Pacific Accessory Corporation

Page 4

Rev: V1

Date: 090424

Part One: Center Dash Disassembly (Continued)

Remove the upper radio module

by pushing upward on the locking

clip and pulling outward on the

module.

Using a panel tool or similar,

release the top retaining clips and

remove the storage assembly.

Remove the upper Torx T15

screw inside the storage

compartment.

Remove the two Torx T15 screws

from the bottom edge of the

storage compartment.

Part Two: Lower Storage Compartment Removal

Section 1: Disassembly (Continued)

Step 5

Unplug all connectors and cables

from the upper radio module

shown.

Step 4

Step 1

Step 2 Step 3

Stinger HORIZON10

Radio Replacement Kit for select

2014-2019 Silverado/Sierra Trucks

SR-GM14HX

Pacific Accessory Corporation

Page 5

Rev: V1

Date: 090424

Section 1: Disassembly (Continued)

Part Three: Glove Box Removal (Optional)

Pull outward on the lower glove

box to release the retaining clips

and remove the lower glove box.

Unplug the gray 12 pin camera

harness from the HMI module.

Open the upper and lower glove

box doors and remove the two

Torx T15 screws securing the

lower glove box.

Up, behind the metal bar running

across the inner dash, locate the

HMI Module; black module with

multiple colored plugs facing down.

Remove the two Torx T15 screws

from the bottom edge of the lower

glove box.

Remove the two Torx T15 screws

and pull to remove the upper

glove box. Unplug the factory USB

port from the backside.

If the vehicle is equipped with IO4, IO5 or IO6 radio AND a factory rear camera, follow the steps below to

remove the glove box. For IO3 and IOB vehicles, or no factory rear camera, proceed to Part Four.

Step 1

Step 2 Step 3

Step 4

Step 6Step 5

Stinger HORIZON10

Radio Replacement Kit for select

2014-2019 Silverado/Sierra Trucks

SR-GM14HX

Pacific Accessory Corporation

Page 6

Rev: V1

Date: 090424

Part Four: A Pillar Removal

Pull the trim panel to release the

retaining clips and remove.

Remove the two 10mm bolts.

Remove the inserts covering the

bolts on the passenger A pillar

handle.

Part Five: Lower Steering Column Cover Removal (Optional)

Step 3Step 2

Pull downward on the lower

cover on both sides to release

the locking tabs and remove the

lower cover.

Remove the plastic handle from

the steering wheel tilt lever by

pulling outward, towards the

driver’s door on the handle. A trim

tool may also be used if unable to

remove by hand.

If the vehicle is equipped with IO3, IO4, IO5 or IO6 radio AND steering wheel controls, follow the steps

below to remove the lower steering column cover. For IOB vehicles or no steering wheel controls, proceed

to Section Two on next page.

Step 1

Remove the two Torx T15 screws

from the bottom edge of knee

panel below the steering column.

Pull outward to remove the panel

and lay carefully on the oor board.

Section 1: Disassembly (Continued)

Step 1 Step 2 Step 3

Stinger HORIZON10

Radio Replacement Kit for select

2014-2019 Silverado/Sierra Trucks

SR-GM14HX

Pacific Accessory Corporation

Page 7

Rev: V1

Date: 090424

Install the optional USB cover and

feed the USB cables through the

front of the panel. Secure with the

anged nut and then lock with the

lock nut.

Remove the plastic sleeve by

depressing the two tabs and

pushing out the front.

From the backside of the lower

storage compartment, remove the

metal insert from the power outlet

by releasing the two retaining clips

with a small pick and pushing out

the front side.

Route the USB cables up and out

of the right side opening at the

rear of the CD/DVD opening.

Section 2: In-Vehicle Harness Connections and Preparation

Part One: Dual USB Extension (SSUSB3)

Apple CarPlay, Android Auto, and any Firmware Updates require access to a USB port. The SSUSB3 is designed to extend the

USB ports on the back of the HORIZON10 to where they are accessible once the radio is installed.

For this installation, the factory 12V power outlet will be replaced with the SSUSB3. You may chose to follow these steps, or

mount the USB port somewhere else in the vehicle. Please note, the factory USB ports will no longer function after the factory

radio is removed.

Step 1

Step 2

Step 4

Step 3

Stinger HORIZON10

Radio Replacement Kit for select

2014-2019 Silverado/Sierra Trucks

SR-GM14HX

Pacific Accessory Corporation

Page 8

Rev: V1

Date: 090424

Route the camera RCA out of the

left side opening at the rear of the

CD/DVD opening.

Secure the T-harness to the factory

wire harness. Route the 50” single

lead from the GM5LIN-SW-HAR

to the radio opening, securing with

zip ties.

Route the yellow RCA end of

the camera cable to the radio

opening. Secure plug and cable

with zip ties.

Plug the male connector into the

female end of the GM5LIN-SW-

HAR and plug the GM5LIN-SW-

HAR male end into the female

connector on the steering column.

Plug the gray 12 pin camera

harness from the HMI module into

the CAM-GM51-HAR.

Locate and unplug the black 10

pin connector located on the

underside of the steering column.

Section 2: In-Vehicle Harness Connections and Preparation (Continued)

Part Two: Factory Rear Camera Retention Harness (CAM-GM51-HAR)

Part Three: Steering Wheel Control (SWC) Retention Harness (GM5LIN-SW-HAR)

If the vehicle is equipped with IO4, IO5 or IO6 radio AND a factory rear camera, follow the steps below to

install the factory camera retention harness behind the glove box. For IO3 and IOB vehicles, or no factory

rear camera, proceed to Part Four.

If the vehicle is equipped with IO4, IO5 or IO6 radio AND steering wheel controls, follow the steps below to

install the SWC retention harness at the steering column. For IO3 and IOB vehicles, or no steering wheel

controls, proceed to Part Four.

Step 1

Step 2 Step 3

Step 1 Step 2 Step 3

Stinger HORIZON10

Radio Replacement Kit for select

2014-2019 Silverado/Sierra Trucks

SR-GM14HX

Pacific Accessory Corporation

Page 9

Rev: V1

Date: 090424

Route the steering wheel control

lead into the CD/DVD area

through the left side opening in the

rear of the cavity.

Part Three: Steering Wheel Control (SWC) Retention Harness (Continued)

Part Four: GPS Antenna

The GPS antenna is required for proper operation of Apple CarPlay and Android Auto, in addition to the optional GPS if

installed. The GPS antenna is included in the HORIZON10 hardware.

Section 2: In-Vehicle Harness Connections and Preparation (Continued)

Continue routing the GPS cable

across the inner dash towards the

radio opening securing with zip ties.

Position the GPS Antenna and

route the antenna cable down

into the glove box area. Replace

the A pillar panel and ensure the

cable does not interfere or get

pinched.

Route the GPS cable into the CD/

DVD area through the right side

opening at the rear of the cavity.

Step 4

Step 1

Step 2 Step 3

Stinger HORIZON10

Radio Replacement Kit for select

2014-2019 Silverado/Sierra Trucks

SR-GM14HX

Pacific Accessory Corporation

Page 10

Rev: V1

Date: 090424

Section 3: Interface and Main Harness Connections and Preparation

Part One: RP5-GM51 Radio Interface Connections

Connect the four connectors from

the Main Harness (SR-GM14H-

HAR-A) to the indicated ports on

the RP5-GM51 module.

Remove the warning sticker on

“Vehicle Connections” port on

the other side of the RP5-GM51

module.

Using a small at-blade

screwdriver or similar, set the

“Radio Select Dial” on the side of

the RP5-GM51 to Number 4.

1 2

Part Two: Main Harness Connections (SR-GM14H-HAR-A)

Plug the 6-pin lead on the Main

Harness into the Dierential

Video Adapter (RPA-VA1).

Connect the male and female ends

of the Light Green leads together.

For IOB radios, connect the white

2-pin and the black 18-pin of the

Vehicle Side Harness B (SR-

GM14H-HAR-B) to the Main

Harness.

For IO3, IO4, IO5 and IO6 radios,

connect the white 2-pin and the

black 18-pin of the Vehicle Side

Harness C (SR-GM14H-HAR-C)

to the Main Harness.

Step 1 Step 2

Step 3

Step 4B

Step 5

Step 4A

Stinger HORIZON10

Radio Replacement Kit for select

2014-2019 Silverado/Sierra Trucks

SR-GM14HX

Pacific Accessory Corporation

Page 11

Rev: V1

Date: 090424

Part Two: Main Harness Connections (SR-GM14H-HAR-A) (Continued)

Section 3: Interface and Main Harness Connections and Preparation (Continued)

Connect the Chime Module

(CMX) to the 2 pin “CMX Chime”

connector on the Main Harness.

Connect the “AUX” RCAs from the

Main Harness to the “AUX IN”

RCAs on the HORIZON10’s 16 Pin

AV Harness (PSEH-2103). Connect

the “REVERSE CAM” RCA to the

“REVERSE CAMERA IN” RCA on

the 16 Pin AV Harness.

HORIZON10

16 Pin AV Harness

Section 4: Display Mounting Panel Preparation

Once all the clips are released,

remove the climate controls from

the factory bezel.

With the factory radio display /

climate control panel face down,

apply slight pressure to the front

of the controls while releasing the

locking tabs around the perimeter.

Align the controls in the

HORIZON10 Display Mounting

Panel and push to seat and lock

all the retaining clips.

Part One: Transferring the Climate Controls

Step 7

Step 6

Step 2Step 1 Step 3

Stinger HORIZON10

Radio Replacement Kit for select

2014-2019 Silverado/Sierra Trucks

SR-GM14HX

Pacific Accessory Corporation

Page 12

Rev: V1

Date: 090424

Section 4: Display Mounting Panel Preparation (Continued)

Attach the display to the panel

using four M4 x 12 screws.

Insert the Touch Panel Display

into the front of the Display

Mounting Panel and carefully

turn the panel over while holding

the display in place.

Part Two: Mounting the Display

Section 5: Radio Module Preparation

Part One: Radio Module Side Brackets

Using two M5x10 screws attach

one side bracket as shown

above.

Locate the two Side Mounting

Brackets and four M5x10 screws.

Using two M5x10 screws attach

the other side bracket as shown

above.

Step 2

Step 3

Step 2Step 1 Step 3

Step 1

Remove the indicated tabs in the

opening of the Display Mounting

Panel.

CUT OR BREAK OFF THESE TABS

Stinger HORIZON10

Radio Replacement Kit for select

2014-2019 Silverado/Sierra Trucks

SR-GM14HX

Pacific Accessory Corporation

Page 13

Rev: V1

Date: 090424

From the HORIZON10 box,

connect the LVDS Display

Cable (PSEH-2101) to the

“DISPLAY” port on the Radio

Module.

Inside the truck, slide the

HORIZON10 Radio Module into

the upper compartment until the

bracket tabs contact the sub dash.

Secure with supplied #8 x 1/2”

screws.

Section 6: Radio Unit Installation

Part One: Mounting the Radio Module

IO3, IO4, IO5, IO6: Connect the

Green and Gray SR-GM14H-

HAR-C (1) connectors to the

matching plugs in the vehicle.

IO4, IO5, IO6: If equipped,

connect the Yellow RCA from the

CAM-GM51 to the “CAM-GM51

INPUT” (2) and connect the wire

from the GM5LIN-SW-HAR to the

“SWC INPUT” (3).

IOB:

Connect the Mustard and

Gray SR-GM14H-HAR-B (1)

connectors to the matching plugs

in the vehicle.

Part Two: In-Vehicle Harness and Cabling Connections

2018-19 IOB Only:

Plug the 20 pin harness that was

removed from the factory display

into the GM5CAM-DIS-HAR.

Step 2

Step 1

Step 1A

Step 1B Step 2

Stinger HORIZON10

Radio Replacement Kit for select

2014-2019 Silverado/Sierra Trucks

SR-GM14HX

Pacific Accessory Corporation

Page 14

Rev: V1

Date: 090424

Section 6: Radio Unit Installation (Continued)

Part Two: In-Vehicle Harness and Cabling Connections (Continued)

Connect the GPS Antenna (1) and

the two USB cables (2) to the Radio

Module. The USB-C will handle

Apple CarPlay and Android Auto

Connect the 16 Pin A/V Harness

(4) to the “AV IN” port on the

Radio Module.

Connect the AM/FM Antenna

Adapter (BAA22) to the black

factory antenna cable.

Plug the other end of the BAA22

into the HORIZON10’s “ANT” port.

From the SR-SRK-ADAPT-

IX2XX harness, connect the “26

PIN RADIO” (3) connector to

the “POWER” port on the Radio

Module. The PAC Link (PL1) 3 pin

connector is not used.

These are the connections for a typical installation. If adding

additional cameras, ampliers or satellite radio, those connections

should be made at this point.

Step 3

Step 5Step 4

Step 7 Step 8

Connect the 2 pin, 8 pin and 14

pin connectors from the Main

Harness Adapter (SR-SRK-

ADAPT-IX2XX) to the Main

Harness (SR-GM14H-HAR-A).

Step 6

Stinger HORIZON10

Radio Replacement Kit for select

2014-2019 Silverado/Sierra Trucks

SR-GM14HX

Pacific Accessory Corporation

Page 15

Rev: V1

Date: 090424

Zip tie the Chime Module (1)

in a suitable location. Use the

supplied two-sided tape to

secure the Radio Replacement

Interface (2) in the lower CD/

DVD cavity.

Plug the LVDS Display Cable

into the back of the Touch Panel

Display. Re-connect the factory

climate control connector to the

climate controls.

Place the LVDS Connector Rear

Cover in the top of the opening

on the back of the Touch Panel

Display. Push the cover down until

the screw hole opening is visible.

Insert the M2.6x6.5 screw to secure

the cover.

Before reassembly, it is recommended to power up the radio and check the

chime volume* and all other functionality...

Volume, Balance, Fade Steering Wheel Controls

AM/FM Reception Bluetooth

USB Apple Carplay

Android Auto Camera(s)

* The Chime Module has a 4 position volume selector on the side. Setting 1

being the loudest and 4 being the quietest.

Section 6: Radio Unit Installation (Continued)

Part Two: In-Vehicle Harness and Cabling Connections (Continued)

Step 10

Step 11

Step 9

Place the Display Mounting

Panel in place and temporarily

secure it with two 7mm screws.

Step 12

Stinger HORIZON10

Radio Replacement Kit for select

2014-2019 Silverado/Sierra Trucks

SR-GM14HX

Pacific Accessory Corporation

Page 16

Rev: V1

Date: 090424

Firmware Updates (RadioPRO)

The PAC RP5-GM51 interface can be updated with new rmware as it becomes available using the PAC-UP interface updater

(sold separately). Please visit www.PAC-audio.com/rmware for available updates.

Product Updates (Firmware)

Firmware Updates (Stinger Radio and PAC Application APK)

To update the HORIZON10 radio rmware and PAC Application APK rmware, refer to the HORIZON10 product page:

https://stingersolutions.com/products/stinger-horizon10-10in-radio

Email: [email protected]

Phone: 727-592-5991

Technical Support

PAC SR-GM14HX SILVERADO/SIERRA INSTALLATION KIT

Product's Documents

SR-GM14HX Installation Guide

Specifications

PAC SR-GM14HX Questions and Answers