Pre-1997 Models

1991 F150 Engine Compartment Fuse/Relay Box

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Old Nov 21, 2011 | 08:27 PM
  #16  
booba5185's Avatar
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pretty much.
 
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Old Nov 21, 2011 | 08:35 PM
  #17  
russo2's Avatar
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From: Pennsylvania
What happens when one goes out like a fuse would?
Can they be replaced with a regular fuse?
 
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Old Nov 22, 2011 | 12:15 PM
  #18  
Steve83's Avatar
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From: Memphis, TN 38135, USA, Earth
They're very easy to diagnose: pull. If the insulation stretches, the wire inside is burned. Read this caption:



The bottom of this one shows what some of them are for:

 
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Old Jan 9, 2017 | 11:02 PM
  #19  
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1991 f150 found horn relay behind glove box, fuse should be in the power distribution panel, can not find such a thing under hood. Where is the horn fuse, it is not in the fuse panel by the steering colum under the dash
 
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