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#1
08-16-2007, 07:19 PM
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Help!!! Ecm/fuel Fuse Keeps Blowing!
1992 Pontiac Grand Prix 3.1, 3spd...umm...i dont really know what is causing this error...it just started happening...it stopped for a while after i replaced it...but now it happens EVERY TIME I TURN OFF THE KEY!...only then does it blow...im stumped guys...it only happens when you turn off the ignition...ive checked the grounds to the tranny since i had it replaced...i really dont know...any help would be appreciated!
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#2
08-17-2007, 06:45 AM
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Re: Help!!! Ecm/fuel Fuse Keeps Blowing!
Try running a separate ground from the ECM to the Subframe. If that doesn't help, you may have water intrusion in the ECM and it will need to be replaced.
__________________
 Still waiting for the "good old days" I'll get to bore my future grandchildren with!
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#3
08-17-2007, 11:32 AM
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Re: Help!!! Ecm/fuel Fuse Keeps Blowing!
k i will try that out...i replaced the fuel pump last year....im gonna trace those wires out n make sure nothing is touching...but i dont know if thats why it does it when u turn off the ignition...keep comin with idea's guys...i need to get this resolved...
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#4
08-17-2007, 04:20 PM
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Re: Help!!! Ecm/fuel Fuse Keeps Blowing!
The only thing I can think of is that it's backfeeding ground through some ignition controlled circuit's positive side, and when you cut the switch it loses ground, arcs and pops the fuse.
__________________
Still waiting for the "good old days" I'll get to bore my future grandchildren with!
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