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Old 06-05-2020   #4
Ccmano
 
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Join Date: Jun 2006
Location: Sparks, NV
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Default Re: Vettes having electrical issues

Quote:
Originally Posted by lfalzarano View Post
Paul, where is this MAP area?


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There are two major grounding points at the top of the engine block where it meets the bellhousing, roughly under the MAP sensor, to the left and right, behind the wiring loom that runs across that area. They are a pain to get to being somewhat tucked under the firewall. For best access you can remove the plenum. That said, I would first consult a wiring diagram to see if these items have any grounding points in common.
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Last edited by Ccmano; 06-05-2020 at 10:55 AM.
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