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Pontiac Bonneville Electrical Problems

117 messages,  Last post on Nov 30, 2009 at 5:17 AM

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

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#66 of 117 Re: Bonneville Brake Light Problem [ltkettch17] by geseps Jul 27, 2008 (9:39 am)
Replying to: ltkettch17 (Jul 14, 2008 11:44 am) It's possible that the brake light portion of the bulb is burned out. They are dual element bulbs, one for the general lights (lock/unlock doors) and the other element for braking. If your center light is working with the brakes, your wiring is probably okay. Replacing the bulb is fairly easy. You need to unscrew (3) nuts from inside the trunk which releases the whole lense casing. You can then remove the proper bulb and replace with a dual element bulb (about $5). Good luck.
#67 of 117 02 bonniville windows and locks by geseps Aug 12, 2008 (7:43 am)
Replying to: jstiel (Oct 04, 2007 3:26 pm) Did you ever solve the issue with your windows not working? My passenger front and driver (rear) windows are not working. I can hear the relays when I use the switches but the windows don't work. I don't believe it is the motors since they have worked intermittently. Any advice? (other than to sell!!)
#68 of 117 windows by mdecipher Aug 12, 2008 (5:29 pm)
My passenger front window malfunction was repaired by mechanic who said he found a bad wire under front carpet. I imagine there must be a flowchart somewhere on how to troubleshoot it.
#69 of 117 Bonneville doors locking 'by themselves' by noakes Aug 24, 2008 (4:36 pm)
#70 of 117 Bonneville doors locking 'by themselves' by noakes Aug 24, 2008 (4:36 pm)
2004 Bonneville has lately taken upon itself to lock the drivers door (only) after I have left the car. Have had two occurrences of this both times I partially pulled the key from the ignition and got out of the car. When I returned the drivers door was locked - other doors not.   Any suggestions? Please do not suggest I remove the keys from the ignition, I want to solve the problem and leave the windows down just in case.
#71 of 117 Disable Chime on '96 Bonneville by mmxbass Aug 26, 2008 (9:35 am)
#72 of 117 Disable Chime on '96 Bonneville by mmxbass Aug 26, 2008 (9:35 am)
My '96 Bonneville has the problem where every so often the warning chime comes on indicating that the parking break is on even though is is clearly not on. Sometimes this will remain in this condition for hours at a time and the chime is extremely irritating. Is there a quick and easy way to disable the chime entirely, the chime serves no purpose other than to irritate the occupants of the car. I was considering forcibly ripping the chime module out of the car but I thought I would check to see if there is a simpler and cleaner way to stop the chime first. Oddly the chime seems to share a fuse with part of the ignition system so removal of the fuse is not an option.
#73 of 117 Electrical short by statepig Oct 30, 2008 (7:39 pm)
I have a 1995 Bonniville SSE with 80,000 miles. I have just spent 30 minutes reading all the blogs about electriac problems, but didn't find any like the problem I am having. All of my electrical components appear to be working properly, but something is draining my battery within 8 to 12 hours. My alternater does make a sqeeking noise when running, but momentarly if oil is sprayed inside the wheel. I have had the alternater checked by two mechanics, and they both say that the alternater is good. Attempting to eliminate electrical parts, I unhooked the alternater and starter from the battery, and the next morning the battery was dead. When turned off, there are no lights on, no motors running, nothing that might drain the battery. My battery is new, the terminals are clean, please help me. I will check all the grounds that others written about, hopfully that will help.
#74 of 117 electrical issue w/brake and speedo by rfifer Nov 09, 2008 (12:20 pm)
at times when i am driving my 97 bonneville, if i tap the brakes the speedometer needle will jump and at times the airbag lite comes on then the chime will sound..i have disconnected my abs front sensors to eliminate them...it still happens...i have checked the brake lite bulbs and they are all fine...i am wondering if the brake wight switch may be defective...this is an intermitent issue...it does not happen everytime i hit the brakes...got any ideas?????????? Replies to this message: imidazol97 (Nov 09, 2008 1:44 pm)
#75 of 117 Re: electrical issue w/brake and speedo [rfifer] by imidazol97 Nov 09, 2008 (1:44 pm)
Replying to: rfifer (Nov 09, 2008 12:20 pm) Things to think about.   Contacts inside the dash where different components have electrical contacts like circuit boards in a computer have corroded and are making intermittent contact with vibration from the brake pedal. Try hitting your shoe on things in the area of the brake pedal without using the pedal.   The contacts in the ground buss at the corner of the A pillar and the floor. It's under the plastic door sill where you lift your foot in and out. Moisture in some climates can corrode the contact for the grounds which all press onto one large multicontact.   Bad connections at battery cables where two positive cables overlay each other. The corrosion builds between the two contacts. Turn off AC with car running before removing these cables.   Could be a weak battery.   Could be a weak alternator or contacts at the alternator.

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