87 s-10 blazer blowing fuse

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Adam & Lisa - 20 Jul 2006 11:17 GMT

This blazer was going great, we pulled a truck out the other day, we parked
it then it wouldnt start next, go to looking and the ECM B fuse was blown,
put a new one in and it poped as soon as I turned the ignition on, what all
runs on this circut?

By the way this s10 blazer has a 2.8 motor with a 700r4 tranny, 4x4.

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snay - 25 Jul 2006 03:14 GMT

try one size up on the fuse.some say they wouldnt, but I would, I'd go up
2.If it was a ten, go to a twenty.Anyway that circut is the
computer.Without it you aint going anywhere.Check the wires coming through
the firewall, the main bunch. Go from there and start checking for wires
that are skinned, or dammaged, allowing the copper inside to ground out on
metal, thereby blowing the fuse.

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