blowing an ecm-1 fuse

1997 CHEVROLET VAN
176,000 MILES • V8 • FWD • AUTOMATIC
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SOONER-BK
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  • 1 POST
fuse for the ecm-1 had stared blowing out even from small bumps on the ground and for sure train track while van is in motion any reasons as why?
Aug 6, 2011 at 2:49 PM
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SATURNTECH9
  • CAR REPAIR CONTRIBUTOR
  • 30,869 POSTS
A short to ground caused by the bumps from the wires going to the ecm or the ecm itself.
Aug 6, 2011 at 2:57 PM
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CADIEMAN
  • CAR REPAIR CONTRIBUTOR
  • 3,544 POSTS
bang the dash and panels with a rubber hammer and see if the fuse blows.disconnect ecm and replace the fuse does it blow?
Aug 6, 2011 at 4:03 PM