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Pontiac Bonneville Electrical Problems

117 messages, Last post on Nov 30, 2009 at 5:17 AM
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My 1995 Bonneville will run for awhile anywhere from 10 min, to an hour and if i try and lower a window it will die, If I let it sit for an hour or so, it will restart and run fine for awhile then die again, when it does this the engine will crank over (not start) the windows will not go down and when I try to lower a window the interior light will go off. I have tested the fuel pump, I can hot wire the pump and the engine will run but the windows will not go down. the amps at the fuel pump when it is running is between 7-8 amps. Any ideas would be great Thanks
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Replying to: cpbowl300 (Sep 20, 2009 7:10 am) You might have a battery problem with a post cracked or low output. Has it been out of the car for a check at a store like Advance Auto where they will run a check and charge on the battery? The car has a buss for the grounds in the door sill about where you lift your heel over the door bottom. Pull away the carpet and plastic and check the condition of those grounds connecting into that buss. The buss is wrapped with electrical tape along the bundle of wires. I would suspect a supply side problem more than a ground, but whenever funny things happen start checking grounds.
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Replying to: imidazol97 (Sep 20, 2009 7:28 am) |
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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 | |
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Replying to: jmose (Aug 23, 2009 6:20 pm)
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Replying to: landpilot51 (Sep 27, 2009 8:56 pm)
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Replying to: imidazol97 (Sep 28, 2009 3:57 am)
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Replying to: landpilot51 (Sep 28, 2009 7:12 am) |
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Replying to: imidazol97 (May 23, 2007 4:56 am) Haven't had a chance to dig through all of the posts here yet, but have read several pages worth. I just bought a 2002 Pontiac Bonneville about 5 days ago. Everything is great, except a couple minor things. The DIC is displaying the current fuel range (ie. 223 miles etc.). None of the buttons appear to do or change anything on the DIC (Mode, E/M, Reset, and on or two other buttons that I cant remember right now). Also, the left power mirror works fine, but the passenger side doesn't. After reading some of these posts, it appears that I will be checking my grounds and fuses first, tomorrow, and go from there. If anyone has any other ideas or suggestions, I would be appreciative. I will check grounds / fuses tomorrow and post results.
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Replying to: yep95821 (Nov 30, 2009 12:04 am) Do it change mode when pushing the mode button? Does it change between mpg, instant mpg, and miles left on fuel when pushing the mileage button? Does it change between English and metric when pushing the E/M button? If none of these cause change, I'd look at the connections for the modules on the instrument cluster. You might try a little vibration on the area of the dash with the DIC readout to see if it will make better contact. I've read some problems with corrosion on contacts in the instrument cluster area on forums. As for the mirror, is there a switch that connects the left mirror, then neither, then the right mirror to allow changing the direction of the mirror with the little buttons that move the motors? Do you have an owner's glovebox manual that shows that type of thing? You might search online for owner's manual. Some of those have been scanned and put online for certain years. Yours would be similar to 2000-2005 (or was 2004 last year?) |
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