Troubleshooting a Trailer Wiring Not Working
Updated 09/26/2025 | Published 04/21/2025
Question:
i followed the instructions beginning to end. the lights on the car are fine. no lights on the trailer. when testing the ground i had ground but it was minus voltage on my tester. so had to have ground to get a reading. still no lights. what is the problem?
asked by: Dan
0
Expert Reply:
Not sure what part you're talking about because I didn't see any order number but for adequate grounding, your multimeter should read about 0.3 ohms.
Did you check your fuses? What part are you talking about?
expert reply by:
Jerred H
0
Product Page this Question was Asked From
etrailer Rubber Hitch Cover for 2" Trailer Hitches - Qty 1
- Hitch Covers
- Misc Covers
- Plain
- Rubber
- Fits 2 Inch Hitch
- Standard
- Square
- etrailer
more information >
Continue Researching
- Q&A: Stealth Hitch that Fits 2024 Ford Mustang Mach-E
- Q&A: Why Does the etrailer Trailer Hitch part # e72AR Have a Higher Towing Capacity than the Vehicle?
- Q&A: Best Replacement For Older Dometic Duo Therm 57915.531 Ducted Single Zone AC System With Furnace
- Q&A: Does Roadmaster Invisibrake System Require Installing Diodes too
- Q&A: Replacement Air Conditioner for a Dometic Duo Therm 600315.331
- Q&A: Recommended Replacement AC for a Dometic 57915541
- Article: Brake Controller 7- and 4-Way Installation Kit (ETBC7)
- Q&A: What Air Conditioner 13,500 BTU Will Replace My Current Dometic Air Conditioner?
- Article: How to Clean Weld Nuts for the Installation of a Trailer Hitch | etrailer.com
- Article: How to Measure for Trailer Hitch Drop
- Article: How to Choose the Right Trailer Hitch Class
- Article: Wiring Trailer Lights with a 4-Way Plug (It's Easier Than You Think)
- Article: 2 Steps for Finding the Right Weight Distribution Hitch Size
- Article: Trailer Wiring Diagrams
Jerred H.
9/26/2025
Hey, did you have a chance to check your fuses or confirm the part you were referring to? I'm asking because it could help others facing similar issues with trailer lights.