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

Reseting the PCM?

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Old 02-01-2003, 08:46 PM
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Reseting the PCM?

What is the proper procedure for reseting your PCM? Is it just unhooking your battery after every bolt on or is there a certain procedure involving pulling fuses?
should this be done after every bolt on if you dont have computer tuning?
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Old 02-01-2003, 08:49 PM
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I think you just unplug the battery... What kind of bolt ons are we talking about?
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Old 02-01-2003, 08:49 PM
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doesn't need to be done after every bolt on. but it is advisable to discoonnect the battery prior to doing any electrical mods. this prevents any shorts or voltage spikes.

if all you want to do is clear the ecm just pull the fuse in the panel in the door jamb area. it is on the bottom row, i think 3rd from the left...but the diagram on the cover lists witch one...
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Old 02-01-2003, 08:52 PM
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The fuse panel on the side you will see a fuse marked PCM or ECM BATT ..... remove it....wait about 20-30 seconds and replace.. Its that easy...

93Z Wil
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