NHTSA ID Number: 10113903
Manufacturer Communication Number: PIT5273A
Summary
This Preliminary Information communication advises the technician vehicle equipped with Regular Production Option Code UY2 the location of the 5th wheel harness was relocated. Starting with the 2015 model year, the location has changed to the rear of the pickup box ? forward of the rear bumper and attached to the rear frame cross member.
6 Affected Products
Vehicles
SEOCONTENT-START
Bulletin No.: PIT5273A
Date: Mar-2016
| Subject: | 5th Wheel Or Camper Wiring Harness Location |
| Models: | 2015-2016 Chevrolet |
| 2015-2016 GMC Sierra | |
| With 5th Wheel / Camper Harness (RPO UY2) |
This PI was superseded to update the Models section. Please discard PIT5273.
Condition/Concern
Some owners may question where the blunt cut wires are located for the gooseneck / 5th wheel / camper wiring harness (vehicles equipped with RPO UY2).
On past models, this harness was located along the left frame rail near the front of the pickup box.
Starting with the 2015 model year, the location has changed to the rear of the pickup box – forward of the rear bumper and attached to the rear frame cross member, as shown below. NOTE: Picture below was taken with the pickup box removed.

SEOCONTENT-END
Bulletin No.: PIT5273A
Date: Mar-2016
To View or Download this Document Click Here
Bulletin No.: PIT5273
Date: Apr-2014
To View or Download this Document Click Here
Bulletin No.: PIT5273
Date: April, 2014
To View or Download this Document Click Here
- 【Intelligent braking】Proportional controllers are the safest and most responsive braking system you can install.Proportional trailer brake controllers automatically sense when your tow vehicle slows down or stops. This type of brake controller will replicate your own braking intensity for your trailer's brakes, whether you slow to a gradual stop or have to slam on your brakes
- 【Easy to display】LED Digital display screens show the voltage delivery going from the brake controller to the trailer's brakes. Easy to read, easy to observe vehicle conditions in real time.In case of emergencies, make adjustments in time
- 【Safer and more stable】Fits 1 to 4 axle (2 to 8 brakes) trailers to deliver a signal from your vehicle's brakes to your trailer,both quantity of braking power (result) and rate of the program (sync) can be adjusted to fit your inclination, the street conditions, and kind of trailer,increase the safety of driving.Requires no leveling
- 【Quick installation and use】Wiring ports are available for vehicle-specific brake controller harnesses and provide a quick connection between the controller and the towing vehicle for quick and easy installation or removal
- 【4 Wiring & controls】BLACK-Vehicle Power, RED-Stop Light, WHITE-Vehicle Ground, BLUE-Trailer Brakes
- Slim, low-profile design for a functional, modern aesthetic
- Unique bracket system for improved dash clearance
- Fully adjustable power and ramp time
- Operates 2-6 trailer brakes at a time (1-3 axles)
- No internal moving parts and no leveling required
- PORTABLE - Stores multiple vehicle-trailer profiles, transfers between compatible setups and has a potted circuit board for weather resistance.
- SMARTPHONE-READY - Smart Control app manages brake settings and status; make adjustments only while the vehicle is stationary.
- ZERO-TOOL INSTALL - Plugs between the vehicle and trailer 7-way connectors with no permanent wiring; locking tab and retention strap help secure it. Strap stores inside the cap.
- HIGHLY RESPONSIVE - Triple-axis accelerometer maintains proportional trailer braking even if the phone screen locks, a call arrives or Bluetooth disconnects.
- VERSATILE - For trailers with 1-2 axles and 2-4 electric brakes; requires a vehicle-side and trailer-side 7-way RV blade connection plus a compatible iOS or Android device.
- 🏆【TIME DELAYED DIGITAL BRAKE CONTROLLER】Gradually increases braking force at a fixed rate so that braking force gradually increases over a certain period. This makes the Lrichy 8507111 time-delay brake controller ideal for basic towing needs
- 🏆【WIDE COMPATIBILITY】This brake controller replaces the 8507111 Time-Delay Brake IV. It's compatible with various vehicles including Ford
, GM, Chevy
, Dodge, RAM, Toyota
, Jeep, and more with 2, 4, 6, and 8 brakes (1-4 axles). NOTE: Vehicle-Specific Plug & Play Harness Not Included - 🏆【SIMPLE SETUP & USE】A detailed instruction manual with an easy-to-read LED digital display makes it easy to show settings, real-time diagnostic information, and alarms. For manual braking, simply move the manual lever to the left. Braking force will be applied to the trailer braking system based on the previously set braking force
- 🏆【EASY MOUNTING】Includes brackets and screws for simple installation. Features a plug-and-play port for easy disconnection. No horizontal installation required, can be installed in any direction
- 🏆【SATISFACTION GUARANTEE】Lrichy attaches great importance to product quality and customer shopping experience! We provide 2 Years of warranty service and a refund for product quality issues! If you have any problems, you can contact us via Amazon! Free exchange and refund policy for a truly hassle-free after-sales service!
- ✨ Proportional Braking System: Ensures smooth, consistent stops by applying trailer brakes in proportion to your vehicle's braking intensity. Ideal for all trailer types, from light utility to heavy-duty.
- ✨ Clear Digital Display: Easy-to-read screen provides real-time brake settings and connection status. Continuous diagnostics alert you to issues instantly for quick resolution.
- ✨ Customizable Braking: Adjust braking power with the manual override lever and three boost settings. Perfect for varying towing loads and driving conditions.
- ✨ Easy Installation: Plug-and-play wiring and flexible mounting options (snap-in clip or bracket) allow for quick setup within a 180-degree range.
- ✨ Reliable Performance: Built with self-leveling tech and advanced circuit protection. Backed by lifetime service and a no-hassle return policy for worry-free towing.
This product presentation was made with AAWP plugin.





