No Trailer Lights - Ford Powerstroke Diesel Forum

 
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post #1 of 10 Old 04-19-2008, 09:21 AM Thread Starter
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No Trailer Lights

I need someone to help me figure out which fuse to look for under the hood. I had the lights looked at a few months ago and the guy replaced a fuse or two under the hood but now I'm having the same problem again with no turn signals or brake lights on my horse trailer. If anyone can give me some helpful information on fixing this problem I would really appreciate it. My repair guy is backed up for weeks.
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post #2 of 10 Old 04-19-2008, 09:26 AM
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That fuse is under the hood. Give me a minute to run out and grab my owners manual and I'll let you know.

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post #3 of 10 Old 04-19-2008, 09:28 AM
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you could look in the manual it should have a layout i think. and is the plug in there TIGHT? That happens alot with my parents 5th wheel. Just gotta wiggle it in real good cause it doesn't always like to stay all the way

Old Truck: 00 F350 XLT DRW: basic first few mods. S&B, 4" straight pipe, gauges, CCV, EBPV and Wastegate line deletes, LED Sills, sweet custom headlights, smoked cab lights, Ventshades, Tint.
Traded in at 196k miles.

"Brand Newish" Truck: 02 Chevy S10 2.2L 5sp. Reg cab 4x2. Badass custom made shifter, foglights, 20% tint, AVS Vent-shades, Stock Intake mods, Electric Fan conversion .
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post #4 of 10 Old 04-19-2008, 09:29 AM Thread Starter
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Thank you! I really appreciate any help you can offer.

Patricia
Only owner of a 1996 Powerstroke CrewCab Shortbed. 102,000 miles, awesome truck.
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post #5 of 10 Old 04-19-2008, 09:29 AM
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Just noticed yours is a 96. On my 99 it's the fuse in position 1. If you're standing facing the drivers side fender, it should be the side of the fuse box closest to you on the bottom right corner. (Hope that makes sense) It should be a 7.5 amp fuse.

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post #6 of 10 Old 04-19-2008, 09:30 AM Thread Starter
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Yes, there isn't anything wrong with the plug and the brakes are working well. My trailer guy told me it is almost always a fuse and I'm sure it is just the same thing again. I just don't know "which" fuse!

Patricia
Only owner of a 1996 Powerstroke CrewCab Shortbed. 102,000 miles, awesome truck.
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post #7 of 10 Old 04-19-2008, 09:31 AM Thread Starter
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Thank you! I'll go out and check it out and let you guys know!

Patricia
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post #8 of 10 Old 04-19-2008, 10:21 AM
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so is your horse trailer plug a 7 prong or a 3 and you say it work there well get a current light and test each prong to see if it does what it suppose to if it does then your problem lies with the horse trailer

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post #9 of 10 Old 04-19-2008, 02:03 PM Thread Starter
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Okay, Fuse 6 and 7 are the right and left hand stop/turn lamps and those fuses are okay. They are 10amp fuses. I'm not sure what else to check. There is Relay 4 which is supposed to be for Trailer Tow Lamps, but I'm not sure how to remove and check that one. Any advice?

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post #10 of 10 Old 04-19-2008, 02:15 PM
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Quote:
Originally Posted by racknabout View Post
Okay, Fuse 6 and 7 are the right and left hand stop/turn lamps and those fuses are okay. They are 10amp fuses. I'm not sure what else to check. There is Relay 4 which is supposed to be for Trailer Tow Lamps, but I'm not sure how to remove and check that one. Any advice?
if it's like most relays it will click. You should be able to just pull it off and test the terminals it plugs into with a test light. Otherwise just get a new one and see

Old Truck: 00 F350 XLT DRW: basic first few mods. S&B, 4" straight pipe, gauges, CCV, EBPV and Wastegate line deletes, LED Sills, sweet custom headlights, smoked cab lights, Ventshades, Tint.
Traded in at 196k miles.

"Brand Newish" Truck: 02 Chevy S10 2.2L 5sp. Reg cab 4x2. Badass custom made shifter, foglights, 20% tint, AVS Vent-shades, Stock Intake mods, Electric Fan conversion .
~ 95k miles.
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