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

Where should this ground go? (pic)

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Old Sep 9, 2009 | 03:24 PM
  #1  
'94 Bad A Z28's Avatar
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Where should this ground go? (pic)

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Passenger side of the car, it is coming from the same wire loom the O2 plug is coming from.
Old Sep 9, 2009 | 03:51 PM
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SnakeOiler's Avatar
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There is a bolt near the knock sensor.
Old Sep 9, 2009 | 04:32 PM
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Old Sep 9, 2009 | 04:52 PM
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let me just say.... that last pic has saved my *** before...funny how the car wont start with out the pcm ground wire hooked up..lol
Old Sep 9, 2009 | 06:47 PM
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'94 Bad A Z28's Avatar
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Maybe that will help with the voltage problem I am having, lol... the car starts so I would have never thought it was the PCM ground, lol. Thanks everyone, I'll hook it up tomorrow.
Old Sep 9, 2009 | 08:01 PM
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Mine went 12k miles without the pcm ground, so it will still start. It started better before it was on, lol, but there's some other reason for that that I have yet to figure out.
Old Sep 9, 2009 | 08:57 PM
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The PCM actually has several ground paths. It should still run without that one connected (has for many people). Of course, it is better to have them all hooked up.
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