WebDec 22, 2015 · Expert Reply: The first thing I recommend doing is to check that the ground wire for the lights is securely attached to a clean metal surface on the trailer frame. A loose ground wire will keep the lights from working. WebJul 30, 2024 · “The trailer’s coupler touching the ball is what grounds the trailer’s lighting circuit. And this is where most problems lie. Rust on the hitch ball, rust inside the trailer coupler, paint on the hitch ball, or just caked on dirt. These are all common problems that interfere with the grounding process,” said Long.

Boat trailer lights not working? Try these tips

WebIf you are having a problem with your brakes on your trailer not lighting up while you're running lights are on here is a simple solution on how to fix that. WebIf the signals are getting through, you can move on to checking the wiring back to the lights looking for an broken wires or loose connections. Trailer lights usually ground through their mounting studs unless a ground wire is present. These ground connections should also be free of dirt and corrosion expert reply by: Michael H incomber syn

Trailer brake and running light problem and solution - YouTube

WebApr 30, 2024 · Trailer Lights Not Working Solution: Check the trailer light wiring ground Tighten the ground Family Handyman Clean the ground … WebOct 3, 2009 · I never said grounding thru the ball was the correct or only way to ground the lights on a trailer. On my 2007 Silverado PU my trailer lights recently went out. This was only the running lights and one of the turn signal lights. The brake lights worked fine. The problem was the plugin on the bumper was bad. WebSix Tips for Rewiring Your Boat Trailer West Marine. Though LED lights have reduced failures, trailer wiring still causes DIY boaters fits, especially when trying to fix a short at the launch ramp before leaving for home at dusk. With complete light and wiring kits selling for well less than $100 (even with LED lights), it makes sense to simply ... incense for church