GMC THGMT1 Bedienungsanleitung
CABIN MODULE
INSTALLATION GUIDE
GMC
CHEVROLET
CUSTOMER SERVICE
CALL: 800-206-4070 •Mon-Fri 8am - 5pm CST
EMAIL: retrax@retrax.com
4100-032 | 03-2023 l THGMT1
General Service Information 3
Items Required for Installation 4
Installation Order 5
Wiring Diagram (TH) 6
Wiring Diagram for Vehicles with Push-to-Start or Key with OnStar 6
Wiring Diagram for Vehicles with Key, without OnStar 7
Locating Connectors in the Vehicle 8
Wire Chart for Door Trigger 9
Configuring and Flashing the Module 12
Module Programming 13
Entering Pairing Mode on the Cabin Module 14
Pairing Keypad 4100-029 (optional accessory) 15
Diagnostics: Keypad 16
Diagnostics: Cover Module 17
Diagnostics: Parking Lights 18
Troubleshooting 19
Factory Reset: Cabin Module 22
Factory Reset: Cover Module 23
Contents
32015 Chevrolet Silverado 2500/3500
General Service Information
Installation notes to remember:
Always cover fenders, seats, and floor areas before
starting to work.
When working on a vehicle, always roll down a window to
avoid being locked out of the car.
Make all necessary connections (wiring diagram) in the
truck BEFORE plugging in the modules.
Never install the cabin module where it could interfere with
normal operation or obstruct service technicians.
Use caution near airbag wires and connectors as they
are not always labeled (i.e yellow split loom/tubing).
Disconnecting an airbag connector with the ignition turned
on may cause a deployment.
Make sure that all safety equipment (i.e., the hood switch
and the warning label) is installed.
To avoid breaking the plastic fastenings, be gentle when
disassembling the dash and interior panels.
Use extreme caution if the vehicle was parked outside in
very cold weather.
42015 Chevrolet Silverado 2500/3500
Items Required for Installation
Cover module
Cabin Module
Cover Module (installed)
T-Harness
52015 Chevrolet Silverado 2500/3500
Wiring Diagram
Configuring
and Flashing
the Module
Programming
the Cabin
Module
Entering
Pairing Mode Pairing Keypad
Adding accessories (optional)
01
4a 4b
02 03
Installation Order
62015 Chevrolet Silverado 2500/3500
01
Refer to the Locating Connectors in the Vehicle section on the next page for connector locations ( ).
For vehicles equipped with Key without
OnStar, see next page.
3
BCM
(white connector) BCM
(green connector)
BCM
(blue connector)
1
2
BCM
(pink 27-pin conn.)
6
4100-032 (THGMT2)
BCM
(above driver’s kick panel)
1 2 3 4 5 6 7
Pink
27-pin conn.
Brown
26-pin conn.
Black
26-pin conn.
Green
25-pin conn.
Blue
27-pin conn.
White
26-pin conn.
Gray
26-pin conn.
8-Pin White Connector
12-Pin Black Connector
22-Pin White Connector
22 8
12
4 2442
Slide to open
MAIN (5A) (+)
(-) RLY3/PK LIGHT(15A) (+)
5
The brown 5A fuse, which is already
positioned, is the only fuse that
is required for this installatiion.
Loop
BCM
(grey connector)
BCM
(grey connector)
7
7
6
6
Lt. Blue/Black
Connect only
without OnStar*
Wiring diagram 4100-032 (THGMT1)
For vehicles with Push-to-Start (PTS) or Key with OnStar (active or inactive)
Cabin Module
NOT USED
72015 Chevrolet Silverado 2500/3500
01
Refer to the Locating Connectors in the Vehicle section on the next page for connector locations ( ).
3
BCM
(white connector)
BCM
(green connector)
BCM
(blue connector)
1
2
BCM
(pink 27-pin conn.)
6
4100-032 (THGMT2)
BCM
(above driver’s kick panel)
1 2 3 4 5 6 7
Pink
27-pin conn.
Brown
26-pin conn.
Black
26-pin conn.
Green
25-pin conn.
Blue
27-pin conn.
White
26-pin conn.
Gray
26-pin conn.
Refer to the Wire Chart For Door Trigger
section for additional information.
8-Pin White Connector
12-Pin Black Connector
22-Pin White Connector
22 8
12
4 2442
Slide to open
MAIN (5A) (+)
(-) RLY3/PK LIGHT(15A) (+)
5
The brown 5A fuse, which is already
positioned, is the only fuse that
is required for this installatiion.
Loop
BCM
(grey connector)
BCM
(grey connector)
7
7
6
6
Lt. Blue/Black
Connect only
without OnStar*
Wiring diagram 4100-032 (THGMT1) for vehicles with Key, without OnStar
Cabin Module
82015 Chevrolet Silverado 2500/3500
Locating Connectors in the Vehicle
92015 Chevrolet Silverado 2500/3500
Wire Chart for Door Trigger
Vehicles Years Application Instructions Location Pin # Wire Color
GMC Canyon (Key) 2015-2022 WITH power
windows
1) Connect the adapter labeled Connect
only without OnStar.
2) Cut and isolate the loop on the same
adapter.
3) Extend the loose Lt. Blue/Black wire
and run it inside the driver door through
the rubber wiring harness grommet.
4) Make connection with window motor
connector on pin 6 or door latch assembly
pin 1.
Driver window
motor in driver
door
7-pin Black or
Gray/Black
conn. pin 6
Gray
OR (alternate location)
Driver door
latch assembly
in driver door
10-pin Green
conn. pin 1 Gray
Chevrolet Colorado
(Key) 2015-2022 WITH power
windows
1) Connect the adapter labeled Connect
only without OnStar.
2) Cut and isolate the loop on the same
adapter.
3) Extend the loose Lt. Blue/Black wire
and run it inside the driver door through
the rubber wiring harness grommet.
4) Make connection with window motor
connector on pin 6 or door latch assembly
pin 1.
Driver window
motor in driver
door
7-pin Black or
Gray/Black
conn. pin 6
Gray
OR (alternate location)
Driver door
latch assembly
in driver door
10-pin Green
conn. pin 1 Gray
GMC Sierra 1500
(Key) 2014-2021
WITH power
windows
1) Connect the adapter labeled Connect
only without OnStar.
2) Cut and isolate the loop on the same
adapter.
3) Extend the loose Lt. Blue/Black wire
and run it inside the driver door through
the rubber wiring harness grommet.
4) Make connection with window motor
connector on pin 6 or door latch assembly
pin 1.
Driver window
motor in driver
door
7-pin Black or
Gray/Black
conn. pin 6
Gray or Pink
OR (alternate location)
Driver door
latch assembly
10-pin Green
conn. pin 1 Gray or Pink
WITHOUT power
windows
Connect the adapter labeled Connect
only without OnStar.
Note: Do NOT cut the loop and do NOT
connect the Lt. Blue/Black wire.
BCM
26-pin Grey
conn. (7)
pin 25
Gray or Pink
GMC Sierra 1500
Limited (Key) 2019/2022
WITH power
windows
1) Connect the adapter labeled Connect
only without OnStar.
2) Cut and isolate the loop on the same
adapter.
3) Extend the loose Lt. Blue/Black wire
and run it inside the driver door through
the rubber wiring harness grommet.
4) Make connection with window motor
connector on pin 6 or door latch assembly
pin 1.
Driver window
motor in driver
door
7-pin Black or
Gray/Black
conn. pin 6
Gray or Pink
OR (alternate location)
Driver door
latch assembly
10-pin Green
conn. pin 1 Gray or Pink
WITHOUT power
windows
Connect the adapter labeled Connect
only without OnStar.
Note: Do NOT cut the loop and do NOT
connect the Lt. Blue/Black wire.
BCM
26-pin Grey
conn. (7)
pin 25
Gray or Pink
10 2015 Chevrolet Silverado 2500/3500
Wire Chart for Door Trigger
Vehicles Years Application Instructions Location Pin # Wire Color
GMC Sierra 2500HD
(Key) 2015-2023
WITH power
windows
1) Connect the adapter labeled Connect
only without OnStar.
2) Cut and isolate the loop on the same
adapter.
3) Extend the loose Lt. Blue/Black wire
and run it inside the driver door through
the rubber wiring harness grommet.
4) Make connection with window motor
connector on pin 6 or door latch assembly
pin 1.
Driver window
motor in driver
door
7-pin Black or
Gray/Black
conn. pin 6
Gray or Pink
OR (alternate location)
Driver door
latch assembly 10-pin Green
conn. pin 1 Gray or Pink
WITHOUT power
windows
Connect the adapter labeled Connect
only without OnStar.
Note: Do NOT cut the loop and do NOT
connect the Lt. Blue/Black wire.
BCM
26-pin Grey
conn. (7)
pin 25
Gray or Pink
GMC Sierra 3500HD
(Key) 2015-2023
WITH power
windows
1) Connect the adapter labeled Connect
only without OnStar.
2) Cut and isolate the loop on the same
adapter.
3) Extend the loose Lt. Blue/Black wire
and run it inside the driver door through
the rubber wiring harness grommet.
4) Make connection with window motor
connector on pin 6 or door latch assembly
pin 1.
Driver window
motor in driver
door
7-pin Black or
Gray/Black
conn. pin 6
Gray or Pink
OR (alternate location)
Driver door
latch assembly
in driver door
10-pin Green
conn. pin 1 Gray or Pink
WITHOUT power
windows
Connect the adapter labeled Connect
only without OnStar.Note: Do NOT cut BCM 26-pin Grey
conn. (7) Gray or Pink
Chevrolet Silverado
1500 (Key) 2014-2021
WITH power
windows
1) Connect the adapter labeled Connect
only without OnStar.
2) Cut and isolate the loop on the same
adapter.
3) Extend the loose Lt. Blue/Black wire
and run it inside the driver door through
the rubber wiring harness grommet.
4) Make connection with window motor
connector on pin 6 or door latch assembly
pin 1.
Driver window
motor in driver
door
7-pin Black or
Gray/Black
conn. pin 6
Gray or Pink
OR (alternate location)
Driver door
latch assembly
10-pin Green
conn. pin 1 Gray or Pink
WITHOUT power
windows
Connect the adapter labeled Connect
only without OnStar.
Note: Do NOT cut the loop and do NOT
connect the Lt. Blue/Black wire.
BCM
26-pin Grey
conn. (7)
pin 25
Gray or Pink
Chevrolet Silverado
LD (Key) 2019
WITH power
windows
1) Connect the adapter labeled Connect
only without OnStar.
2) Cut and isolate the loop on the same
adapter.
3) Extend the loose Lt. Blue/Black wire
and run it inside the driver door through
the rubber wiring harness grommet.
4) Make connection with window motor
connector on pin 6 or door latch assembly
pin 1.
Driver window
motor in driver
door
7-pin Black or
Gray/Black
conn. pin 6
Gray
OR (alternate location)
Driver door
latch assembly 10-pin Green
conn. pin 1 Gray
WITHOUT power
windows
Connect the adapter labeled Connect
only without OnStar.
Note: Do NOT cut the loop and do NOT
connect the Lt. Blue/Black wire.
BCM
26-pin Grey
conn.(7) pin
25
Gray
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