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

PCM swap instructions 97lt1

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Old 08-26-2010, 05:38 PM
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Exclamation PCM swap instructions 97lt1

Just spent the past winter upgrading motor and now im purchasing a new pcm for the upgrades. Anyone have instructions for installation? Ordered from pcmforless.
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Old 08-26-2010, 06:19 PM
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Remove the two hold down bolts, unplug the connectors, reverse to install new PCM. Nothing to it. You'll wonder why you even asked.
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Old 08-27-2010, 10:22 AM
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No disconnecting the battery? Just unplug, swap, n go huh? Sounds good to me.

Thx.
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Old 08-27-2010, 10:24 AM
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unplug the battery!!
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Old 08-27-2010, 10:38 AM
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Yes, disconnecting the battery would be a good idea. Though I am sure many people have done it without doing so. Any time you work on anything electrical on the car, disconnecting the battery is always the first recommended step. I apologize for not mentioning it, but it is kind of an understood rule.
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Old 08-27-2010, 12:13 PM
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Perfect, cant wait to feel the improvement that the new PCM will deliver.
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