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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

blown pcm fuse

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Old Jun 9, 2012 | 01:34 AM
  #1  
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droppedf100
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From: Lindenwold, NJ
blown pcm fuse

I just got my 96 F150 running with a heads, cam, long tubes 351w swap in place of the 302. It is being ran by the original ecu and wiring harness that has been problem free for 350,000 miles. The fuse blew once idling in my driveway and on a short shake down ride tonight it blew 3 times and i had to coast down my street into my driveway lol. Any ideas?

Now not sure if this is related but all of the tab/tad/egr/differential feedback sensors are removed but the plugs are still on the harness. It has NEVER blown the pcm fuse before swapping motors.
 
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Old Jun 9, 2012 | 01:41 AM
  #2  
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Something is getting crossed up somewhere...(Obviously)...
 
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Old Jun 10, 2012 | 12:47 AM
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droppedf100
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From: Lindenwold, NJ
Problem solved. Ended up being a bare o2 sensor wire shorting on the frame because of the headers.
 
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