Left Trailer Brake Light Does Not Work But All Other Lights Do
Question:
I bought a travel trailer but when I hooked up my 2003 yukon to tow it the left brake light doesnt work. The trailer lights are all functional when hooked up to my brothers truck. The left turn signal works but not the brake light.any idea where the problem could be?
asked by: Tom
Expert Reply:
It is strange any time a turn signal works but the brake light on the same side doesn't. this is because the brake and turn signal lights are on the same wire/bulb. The usual culprit is a bad ground.
Ground problems normally show up when there is more draw on a system such as when you have the running lights on and then use another function like a turn signal or brake light.
Make sure that the vehicle side and trailer side connectors are clean and free of corrosion inside and out. The main connector grounds should be attached to clean and corrosion free bare metal surfaces.
The light grounds should also be attached to clean and corrosion free bare metal surfaces. If there is anything between a light ground and the metal trailer frame or if the trailer has an aluminum frame, tilt bed, or folding tongue, any of these things can interrupt the ground. Running jumper wires from the light grounds to the main trailer connector ground can help.
Product Page this Question was Asked From
Optronics LED Trailer Tail Light - Stop, Turn, Tail - Submersible - 10 Diode - Oval - Red Lens
- Trailer Lights
- Tail Lights
- Stop/Turn/Tail
- Oval
- Surface Mount
- Submersible Lights
- LED Light
- 6-1/2L x 2W Inch
- Red
- Optronics
more information >
Continue Researching
- Video: Diamond Trailer Lights - Tail Lights - DG52435VP Review
- Q&A: Trailer Lights Left Side Turn Signal and Brake Lights Not Working
- Shop: LED Tail Light for RVs Under 80" Wide - Stop, Tail, Turn - Weatherproof - 20 DIodes - Red Lens
- Article: Trailer Wiring Diagrams
- Q&A: Recommended Long Rectangular LED Tail Light That is 15 Inches Long and 2 Inches Wide
- Shop: Optronics LED Trailer Tail Light - Stop, Turn, Tail - Submersible - 10 Diode - Oval - Red Lens
- Video: Review of Taskmaster Trailer Tires and Wheels - Vesper 15" x 6" Black Steel Mod Wheel 5 - 5 - TA97RR
- Shop: Optronics Fleet LED Trailer Tail Lights w/ Grommets - Stop,Turn,Tail - Submersible - Oval - Qty 2
- Shop: LED Tail Light for RVs Over 80" Wide - Stop, Tail, Turn - Weatherproof - 20 DIodes - Red Lens
- Shop: Trailer Wiring
- Shop: Thinline LED Trailer Tail Light - Stop, Tail, Turn - Submersible - 11 Diodes - Red Lens
- Shop: Thinline LED Trailer Tail Light - Stop, Tail, Turn - Submersible - 15 Diodes - Red Lens
- Shop: Curt Trailer Connector Adapter - 7-Way RV Style to 5-Way Flat - 60" Cord
- Search Results: trailer tongue hinge
- Video: Fulton Folding Tongue - Coupler Hinge Kit - FHDPB230101 Review
- Shop: Trailer Hitch
- Article: My Trailer Hitch Doesn't Fit
- Search Results: tires and wheels
- Search Results: 2257515
- Search Results: 15 inch rim
- Search Results: 5 on 4.5
- Search Results: 15 wheel
- Search Results: rim and tire
- Q&A: Can the Trailer Lighting Ground Through the Hitch Connection
- Q&A: Troubleshooting Right Brake Light on Trailer Not Working But Right Turn Signal is Working
- Q&A: Trailer Running Lights Do Not Work but Brake Lights and Turn Signals Do Work
- Q&A: Troubleshooting No Brake Lights on Trailer Although Turn Signals Work
- Q&A: Red, Black, and White Wire Functions on Old Trailer Light
- Shop: Suspension Enhancement
- Shop: Brake Controller