2.9L & 3.0L V6 Tech General discussion of 2.9L and 3.0L V6 Ford Ranger engines.

PCM Diode Fuse Keeps blowing

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Old Apr 4, 2025
  #1  
user 70822452345's Avatar
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PCM Diode Fuse Keeps blowing

Title says it all folks.
The PCM Diode fuse has blown out twice in my 98 Ranger XLT 3.0 (thats fuse #19 @ 25amps)
It won't start until I put in a new fuse and then its fine.
Any ideas whats causing it?
thanks
Mike
 
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Old Jul 27, 2025
  #2  
Bigredox's Avatar
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Joined: Aug 2024
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From: Springfield mo
Yepper

Replace the PCM diode
 
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