LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

computer/wireing harness messing up possibly?

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Old Feb 27, 2006 | 10:56 PM
  #1  
96ZCamaro's Avatar
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Exclamation computer/wireing harness messing up possibly?

Ok, well I tryed to route my fan switch through the firewall today. Took the computer out and all that whatnot, could not get it through. But anyways, once I put everything back together, when I first start the car it seems as if it has no power at all, and backfired once. Checked the connections and everything again. But for some reason still wanting have no power for first couple min. or so on start up. But runs just perfect after a while....I am clueless on to what I messed up now . Need help!! Any opinions appreciated even if your not sure what it might be.
Old Feb 27, 2006 | 11:27 PM
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Re: computer/wireing harness messing up possibly?

And one more thing I forgot to mention is that I had forgotten to unplug the battery when I pulled the pcm, would that cause anything like this?
Old Feb 28, 2006 | 08:18 AM
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Re: computer/wireing harness messing up possibly?

Ttt
Old Feb 28, 2006 | 10:48 PM
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Re: computer/wireing harness messing up possibly?

Give your PCM time to relearn. That's what you might be experiencing.
Old Feb 28, 2006 | 11:07 PM
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Re: computer/wireing harness messing up possibly?

Yea, it does seem to gradualy be getting better....but not quite there yet. Thanks, I will just wait a while and see what turns out.
Old Mar 1, 2006 | 12:15 PM
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Re: computer/wireing harness messing up possibly?

Make sure all your grounds are on.
Old Mar 1, 2006 | 12:18 PM
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Re: computer/wireing harness messing up possibly?

anytime you remove your pcm disconnect your battery first,you may have hurt the pcm
Old Mar 1, 2006 | 02:43 PM
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Re: computer/wireing harness messing up possibly?

Try disconnecting the battery for a minute or two, then reconnect. See if it gets any better.
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