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Blowing an ECM-1 fuse

Tiny
SOONER-BK
  • MEMBER
  • 1997 CHEVROLET VAN
  • V8
  • FWD
  • AUTOMATIC
  • 176,000 MILES
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?
Saturday, August 6th, 2011 AT 2:49 PM

2 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
A short to ground caused by the bumps from the wires going to the ecm or the ecm itself.
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Saturday, August 6th, 2011 AT 2:57 PM
Tiny
CADIEMAN
  • MECHANIC
  • 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?
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Saturday, August 6th, 2011 AT 4:03 PM

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