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Pontiac Bonneville Electrical Problems

115 messages,  Last post on Sep 28, 2009 at 9:02 AM

You are in the Pontiac Bonneville Forum. Your Hosts are pat & karens

What is this discussion about? Pontiac Bonneville, Electrical, Sedan


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#110 of 115
Re: 1995 Bonneville fuel pump and window issues [imidazol97] by cpbowl300
Sep 21, 2009 (4:13 pm)
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Replying to: imidazol97 (Sep 20, 2009 7:28 am)

Thanks for the information, I will install new positive cable ends and check the ground and get back to you. Thanks again..
#111 of 115
94 Bonne by jmose
Sep 21, 2009 (4:53 pm)
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thanks for all the help imidazol97 & likeabigdog , my 94 bonne starts and runs great. I replaced the pcm and made a diode pack to trick the vats system. The pcm was still under warranty the diode pack cost less than five dollars, my actron cp9145 was just over 100.00 I would say it has already paid for it's self. thanks again. jmose
#112 of 115
Re: 94 bonne [jmose] by landpilot51
Sep 27, 2009 (8:56 pm)
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Replying to: jmose (Aug 23, 2009 6:20 pm)

Mine ran a little longer but would die in traffic or after idling a long time. Turned out to be the smaller positive battery cable that runs to the top center of the firewall. The new cable was around $45 bucks from GM and worth every penny.
#113 of 115
Re: 94 bonne [landpilot51] by imidazol97
Sep 28, 2009 (3:57 am)
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Replying to: landpilot51 (Sep 27, 2009 8:56 pm)

What went wrong with the cable?
#114 of 115
Re: 94 bonne [imidazol97] by landpilot51
Sep 28, 2009 (7:12 am)
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Replying to: imidazol97 (Sep 28, 2009 3:57 am)

There's a design flaw in the way it connects to the other cable. I've seen several bonneville's that had this problem. I initially replaced the end on the cable but in the end replacing it resolved my problems. It's been a pretty good car and only has 53k miles. Not bad for a 10 year old, huh?
#115 of 115
Re: 94 bonne [landpilot51] by imidazol97
Sep 28, 2009 (9:02 am)
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Replying to: landpilot51 (Sep 28, 2009 7:12 am)

Is it the top cable with the lead spacer in between? The lead spacer squashes and or corrosion occurs on that end of the cable? Was the copper portion of the cable okay?

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