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Author Topic: ECM 1 fuse blowing 1987 chevy  (Read 296 times)

Offline Yellowcat

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ECM 1 fuse blowing 1987 chevy
« on: August 05, 2025, 02:26:16 pm »
Have a 1987 chevy tbi 350 which was blowing the  ECM 1 fuse soon as I turned ignition key on. It done it a few times but now I driving it for a week an nout blowing fues.  What components are running on this one ECM 1 fuse? I need to trace all these wires going out from the ECM 1 fuse?
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Offline Yellowcat

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Re: ECM 1 fuse blowing 1987 chevy
« Reply #1 on: August 05, 2025, 02:44:16 pm »
photo of fuse box
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Offline VileZambonie

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Re: ECM 1 fuse blowing 1987 chevy
« Reply #2 on: August 06, 2025, 08:25:45 pm »
Does it have an AIR pump? EGR Solenoid or EGR Vacuum Regulator? Not enough info on you truck but see the attached.
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