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NHTSA ID Number: 10162160
Manufacturer Communication Number: PIT5324B
Summary
This Preliminary Information communication provides information to the technician about installing an aftermarket Trailer Brake Controller. Technician will find that that vehicle is not equipped with Trailering Package Regular Production Option Code Z82, there are also blunt cut wires at the spare tire for the trailer connector. Technician will install the aftermarket Trailer Brake Controller to the blunt wires behind the lefts side kick panel. Technician will install the trailer connector to the blunt wires under the vehicles near the spare tire.
10 Affected Products
Vehicles
SEOCONTENT-START
Bulletin No.: PIT5324B
Published date: 06/26/2019
Preliminary Information
PIT5324B Adding an Aftermarket Trailer Brake Controller
Models
Brand: Model: Model Years:
VIN:
Engine: Transmissions:
from to
Chevrolet Colorado 2015 – 2019 All All All All
GMC Canyon 2015 – 2019 All All All All
Supersession Statement
This PI was updated to add up to the 2019 Model Year. Please discard all copies of PIT5324A.
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition / Concern
A customer may request installation of an aftermarket Trailer Brake Controller. The truck is equipped with blunt cut wires in the left Kick Panel area to connect an aftermarket trailer brake controller. If the vehicle is not equipped with Trailering Package RPO Z82, there are also blunt cut wires at the spare tire for the trailer connector.
Recommendations / Instructions
Important: Be certain to follow any manufacturer specific instructions that accompany the aftermarket trailer brake controller and/or trailer connector.
To access the blunt cut wires that will connect to the aftermarket trailer brake controller, perform the following:
1. Remove the kick panel trim piece following published service procedure “Body Hinge Pillar Garnish Molding Replacement (Left Side)” located in SI.
2. Locate (1) and access the 4-wire blunt cut harness (2).
Important: Be sure all wires are routed and properly protected.
3. Use the following wire color information, along with the any manufacturer specific instructions that accompany the aftermarket trailer brake controller, to make the proper connections.
Wire Color Function
Red/Green 12V Battery Feed
Black Ground
White/Blue Input – Brake Signal to Controller
Blue Output – Controller to Trailer Brake Connector
For vehicles not already equipped (-Z82 Trailering Package) with a trailer connector in the bumper, perform the following:
To access the blunt cut wires that will connect to the vehicle-side trailer connector:
1. Locate the blunt cut wires in the rear of the vehicle at the left frame rail near the spare tire. Remove enough tape to access the wires.
2. Use the following wire color information, along with the any manufacturer specific instructions that accompany the trailer connector, to make the proper connections.
Note: GM offers a GM Accessory Trailer Harness with the OEM bumper connector, harness, instructions and installation hardware to complete a connector installation in the rear bumper for a factory finished look.
Wire Color Function
Black Ground
Brown Park Lamp
Yellow Stop/Turn – Left
Light Green Stop/Turn – Right
Orange 12V Battery Feed
Blue Trailer Brake
Gray Reverse Lamp
Once installation is complete, verify operation and that all wires are routed properly to avoid any damage.
Warranty Information
As this installation pertains to an aftermarket product, no warranty claim should be filed against this procedure.
Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.
SEOCONTENT-END
Bulletin No.: PIT5324B
Published date: 06/26/2019
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Bulletin No.: PIT5324A
Date: Sep-2015
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Bulletin No.: PIT5324A
Date: September, 2015
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Bulletin No.: PIT5324
Date: Sep-2014
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