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  1. G

    ECM B fuse keeps blowing

    I appreciate the help folks and especially the ECM offer. I have a specialty junkyard near me that does square bodies and he had an ECM. Plugged it in and TADA! Back on the road again. Thanks again everyone.
  2. G

    ECM B fuse keeps blowing

    so I've unplugged the fuel pump relay and the oil pressure sending unit and the fuse still blows as soon as I reconnect the battery. I then unplugged the ecu and it does not blow the fuse. I try to connect either one of the ecu connectors and it immediately blows the fuse again. ECU?
  3. G

    ECM B fuse keeps blowing

    ok thanks I've also found some threads talking about the oil pressure switch shorting out as a cause
  4. G

    ECM B fuse keeps blowing

    it's an all original 305 TBI
  5. G

    ECM B fuse keeps blowing

    Hi Folks needing some help. Battery got hooked up backwards for a few seconds and now everytime we try to start it the ecmB fuse blows immediately. I tried unhooking sensors to see if I could find one that was shorted but am not getting anywhere. Any ideas? Could it be the ecu itself? In a...

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