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Old 03-29-2007, 09:31 PM   #11
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Quote:
Originally Posted by Technical Ted
I have access through our library to an online database with automotive wiring diagrams. Some of the cars have tons of diagrams & some have none. We got lucky, they had every diagram I wanted to see for the 2001 Impala LS. I wondered if the door locks had anything to do with the problem. The door locks have at least three components that ground at G202, the radio grounds at G202, annnnnnd (drum roll please) the fuel pump relay grounds at G202.
Does it say exactly where G202 is so he knows where to look?
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Old 03-29-2007, 09:40 PM   #12
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They only identify the grounds by number, no locations are given. They use the same numbers as the FSM. The dealership should be able to give him the location and I do mean give. If they knew about the locks & radio they should be ashamed & actually give him a refund.
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Old 03-29-2007, 11:05 PM   #13
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G202 is located on the lower center left side of the instrument panel. Should be near the Data Link Connector, just a bit lower and slightly to the left against the firewall.

Hope that helps.

Cheers,
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Old 03-29-2007, 11:50 PM   #14
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Originally Posted by PitchBlackSS
If you want, direct him to www.naioa.com It is all Impala all the time. We have a couple ASE mechanics there and a couple electronic engineers that know the car extremely well.

I will register on the Bonne site when I get home, cant di it from work.
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Old 03-30-2007, 12:42 AM   #15
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Good Forum. I'm a member there. Go join.
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Old 03-30-2007, 06:19 PM   #16
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K I have an update:

After speaking to good ol' Ron at the dealer, he suggests the BCM because I found out today that yesterday in the shop they pulled a code that pointed to the BCM in some way. Not sure exactly what it was, they didn't say. Ron has seen these go bad and its something he has replaced on various 2000+ GM'*. This is a weak lead, but its something. He is ordering the part and I get to decide if I want to do this next Friday when I don't have classes.

Intesting find about the grounding to the radio though. I'm very new to this W-body and its interior, so what is the best way at getting to this "G202"?

The Bonneville interiors I could have torn apart in a matter of minutes, but now I'm a scared pup.
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Old 03-30-2007, 11:45 PM   #17
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You'll be looking for a some type of electrical connector that has black & black with white stripe wires going to it. Here'* a link to a Techinfo article showing bus connectors on a Bonneville.

http://www.bonnevilleclub.com/forum/...=article&k=102
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Old 03-31-2007, 12:47 AM   #18
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Just as an FYI, the location of G202 I gave above is from the Factory Service Manual.

I'm guessing then that somebody has better information.
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Old 04-07-2007, 08:15 PM   #19
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The dealer put in a new BCM, so now I'm just waiting for it to crap out again. *crosses-fingers*
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Old 04-07-2007, 08:24 PM   #20
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Keep us updated on whether or not that solves the problem. I wouldn't think the BCM would give you starting problems.
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