Trailer light fuse for 2001 F350 - F-350 Super Duty Ford Cars & Trucks

SOURCE: trailer towing fuses

Battery junction box (BJB) fuse(s):

• 5 (30A) (trailer electric brake controller)
• 34 (25A) (trailer tow turn relays)
• 42 (30A) (trailer tow parking lamps)
• 44 (30A) (trailer tow battery charge relay switch side)
• 63 (15A) (trailer tow reversing lamps

SOURCE: need fuse list for 2001 ford f350 trailer lights

In the fuse box under the hood, fuse in position 20 is a 7.5amp fuse for the trailer left turn circuit, fuse in position 22 is a 7.5 amp fuse for the right turn circuit, if the fuses are good and you have power at them it is going to be wiring, at the back of the truck close to the driver side at the bumper is a gray connector that will take factory wiring to you trailer wiring the yellow wire is left turn/brake light, the green wire is right turn/brake light, and the brown is tail lights, and the orange wire is 12volt feed for if there is a battery on the trailer that needs to be kept charged for break away safty brakes.

SOURCE: which fuse controls trailer lights for 2005 f350

trailer stuff has its own fuse box little on near brake booster usually

Jeremy W.

• 5332 Answers
• Posted on Nov 04, 2010

SOURCE: Can't get the trailer running

Check fuse 28 in the fuse block under the left side of the dash. There is also a relay for the trailer park lamps in that same fuse block. The fuse and relay are the trailer parking lamps and run independantly of the vehicles parking lights. You can also try backprobing the other trailer plug (you should have one 7 pin and one 4 pin) to see if there is power at the park light pin. If there is power at the other trailer plug than the fuse and relay are bad and you may have a bad/corroded plug or bad wring to the plug that doesn't work.

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Stormi Paulk

• 415 Answers
• Posted on Nov 15, 2010

SOURCE: Where's the trailer light fuse or relay in a 2009

Start checking grounding and go from there, did the truck come with the trailer light kit... Check the simple things grounding from rusty trailer hitch, wires, ball, etc.. but it does sound like a grounding issue. If you want to proceed with the fuse issue there is a MASTER fuse relay box under the hood of your truck, not in the cab of the truck... I dont think it is a fuse issue if your taillights are working.

I hope this advice helps and please don't forget to vote/rate my advice and if none of these are the issue reply to this post and we can go further into it with a little more description of the issues you are experiencing and find a solution.

Stormi