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Trailer Wiring Relay Problem

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Old Apr 13, 2003 | 08:44 PM
  #1  
dcwalker55's Avatar
dcwalker55
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Trailer Wiring Relay Problem

I own a 99 250SD w/5.4. The relay box next to the power dist. box that all this time I assumed was for the trailer wiring is actually for the ESOF. So, my question is where is the relay box for my trailer wiring. I see a bracket that might hold it, but no box or even a empty wiring harness that it might plug into. I thought all the SD's came prewired for the seven pin trailer plug. All seven wires are present in the rear harness by the bumper. Any suggestions? Thank you.
 
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Old Apr 13, 2003 | 10:01 PM
  #2  
bddo's Avatar
bddo
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Trailer Wiring Relay Problem

mine actually go in the power distribution box...right next to all of the fuses and other relays.
 
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Old Apr 14, 2003 | 03:28 AM
  #3  
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BlueOvalBoy
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From: Brighton, Colorado
Trailer Wiring Relay Problem

dc,
Check your manual and your fuse panel.

In the 99 year the trailer package was an option on the gassers. I believe Ford changed that in 01'. The trailer package came std on the powerstrokes.

Good Luck.
 
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