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7pin trailer light question??? need help

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Old Apr 15, 2004 | 03:13 PM
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From: Joilet, Il
7pin trailer light question??? need help

2000 x the only trailer light(s) working are the running lights. Brake lights and turn signals/hazzards won't work. It's not the trailer, it works on another truck. No voltage reading at my connector on those pins (left or right stop/turn). Voltage on running light pin only.

Is there a relay or a fuse that could be faulty??? I don't have the owners manual, so I don't know what relay is for what function??? I checked every fuse with a test light all seemed ok. This is driving me nuts...any help would be much appreciated.
 
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Old Apr 15, 2004 | 04:10 PM
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Check the fuses under the hood (I forget which fuse number), near the driver-side hood hinge. Mine was blown when I first hitched a trailer to my X, and I had the same outages you mentioned above.
 
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Old Apr 15, 2004 | 04:16 PM
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Smile

I also have 7 pin for all of my trucks. Now what I find with these is the wireing going into the plug gets corroted and the have to be restriped & cleaned & rewired. Good luck. also sometimes you have to change the plug as well. Cause the screws strip out.
 
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Old Apr 15, 2004 | 04:58 PM
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thanks for the replys. I probed the wire before the plug. No power. Landyot....Is that fuse box labeled??? The one under the dash is not....?
 
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Old Apr 15, 2004 | 08:13 PM
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From: SEVA
The fuse locations are labeled / numbered. I think it was #40 ... but I'm most likely wrong ... was over a year ago.
 
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Old Apr 15, 2004 | 08:46 PM
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thanks, I'll give it a look when I get off work tonight!!!
 
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Old Apr 15, 2004 | 11:22 PM
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Fuses #20 and #22 in the under hood box are for trailer tow left and right turn signals and are both rated at 7.5 amps.
 
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Old Apr 16, 2004 | 09:56 AM
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Thanks, both were blown...Don't know what caused it??? Looks like the previous owner tapped wire for a reciever brake light, maybe during the course of probing wires he grounded out somehow???? Havent replaced the fuses yet. Thanks for your help.....
 
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Old Apr 16, 2004 | 09:59 AM
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Originally Posted by Fordtech1
Fuses #20 and #22 in the under hood box are for trailer tow left and right turn signals and are both rated at 7.5 amps.
Geez... a knowledgeable man/woman is so, so ......

man - helpful !
woman - u can fill in the blanks

thanks !
 
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Old Apr 16, 2004 | 03:44 PM
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"appreciated" (to fill in the blank above)
 
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Old Apr 16, 2004 | 09:29 PM
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From: Joilet, Il
landyot,fordtech....You got it....Thanks a ton, new fuse, no more problems....I am killing time at work (double shift) went through the 60 pages in this forum. (Took about 3 hours of leisurely reading don't tell the boss).

All I gotta say is holy $#@* there is some awesome info burried in here and some really helpful people. I wanna get out of work and grease my clunky slip joint.

Thanks again!!!
 
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Old Apr 16, 2004 | 10:45 PM
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You are welcome! FTE is the greatest!!
 
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Old Apr 17, 2004 | 07:02 AM
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Hey Gutcheck..... you can download an Adobe Acrobat version of Owner's Manual and Maintenance Guide from http://myford.fordvehicles.com/. You will have to register and log in, but at least you'll have the manual.
 
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