Trailer Light Issue
Thread Starter
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New User
Joined: Jan 2004
Posts: 17
Likes: 0
From: Maple Grove Mn
Trailer Light Issue
I'm having issues with my trailer lights. I pull a few trailers with my 99 Expedition. The problem is I have no running lights. My brakes lights and blinkers work fine. All the lights on my truck work. Does anyone know if there are seperate fuses for this or could it just be a bad harness ? Thanks
Fleet Owner
Joined: Mar 2003
Posts: 24,724
Likes: 74
From: Blue Hill Township
Check with a DVOM if you get voltage from the running light pin to ground on the truck end. If you don't, start tracing it up to the front of the truck. If you do have voltage, its either a problem with the trailer wiring, or the connection between the truck and the trailer.
Thread Starter
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New User
Joined: Jan 2004
Posts: 17
Likes: 0
From: Maple Grove Mn
There is a fuse box under the hood that has relays and fuses for trailers. This is part of the towing package. Each light on the trailer has a fuse and a relay. I found my problem, Thanks for the help.
