Running Lights Don T Work On Trailer. Hey all, We were hunting this weekend and noticed our running lights were not working on our boat trailer, thinking it was a bad bulb somewhere we checked. Tried both plugs (with dongle) and I get the same results.
I know it's not the trailer because I tried hooking up to my I can think of one other possibility. Running lights work on trailer when hooked in, but brake and blinkers do not. Did the same thing by turning the.
The running light pin should always be on, and the brakes and flashers only when activated, correct?
I pulled the lid on the fuse box and it seems confusing to me.
I looked at all the wiring underneath trailer and nothing appears to be. Running lights work on trailer when hooked in, but brake and blinkers do not. I had the same sort of thing with my trailer and I Turns out a running light bulb connector was grounding out on the trailer and messing it all up.