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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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#46 of 115
00 bonniville windows and locks by guzicki
Sep 30, 2007 (5:27 pm)
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Hi, I have a 00 bonniville. My door lock and window work only on driver side. The windows and locks on front passenger and both rear do not work. I got in and probed al the wires from the switch and at the window modual. I found all ground down by kick panels those seem to be ok. i have a after market car start I thought maybe that had something to do with it so I followed every single wire to make sure there was not a short. I even unplugged the dumb thing since the remote start is wired into the locks. i have taken every single door panel off. I am going crazy here. I noticed that my fuse box under the car seat , there are 4 fuses that are getting very hot. One is to the cig lighter, the other is ign. 3( whatever that is). The fuse box under the hood, there are fuses very hot in there also ignition 1 ( what ever that is) The switches all the way around do not work the only button that works is the driver door for that door only. Any suggestion I need help.
#47 of 115
Re: 00 bonniville windows and locks [guzicki] by jstiel
Oct 04, 2007 (3:26 pm)
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Replying to: guzicki (Sep 30, 2007 5:27 pm)

I have the exact same problem with my 2002. Haven't been able to find a a solution. I have a driver's door switch assembly coming to see if that will do it.
#48 of 115
Re: 00 bonniville windows and locks [guzicki] by mdecipher
Oct 08, 2007 (5:28 am)
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Replying to: guzicki (Sep 30, 2007 5:27 pm)

Hi, I feel like your long lost twin, down to the after-market remote starter. My mechanic is actively troubleshooting the identical issue in my 00 and I will share with you our findings. Since the car is relatively new to me, I have no prior experience to go on, but other Pontiac's I have owned usually developed a similar problem where the wires came from the body of the car to the door, and eventually developed stress-like fractures. We seemed to have ruled that out now, so it is new territory.
#49 of 115
Re: 00 bonniville windows and locks [guzicki] by mdecipher
Oct 12, 2007 (6:07 pm)
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Replying to: guzicki (Sep 30, 2007 5:27 pm)

Mechanic found a problem with wiring that he traced under the front carpet toward middle of floor where there was a bad connector sitting in a indentation in the floor where there was moisture accumulation. He fixed wiring, and drilled a few small holes to allow moisture to drain since it appears that water is piling up here from some undiagnosed leak. This also fixed my passenger side view mirror motor which was also not working.
#50 of 115
windsheild wiper problem by brakeman01
Oct 23, 2007 (5:44 pm)
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My wife's 2002 windsheild wiper came on by themself and will not go off. I tried disconnecting the battery but that did not help. Any idea where to go from here? The car only has about 12500 mile and is very sheldom out in the rain.
#51 of 115
1999 bonneville by nuliphe
Nov 03, 2007 (7:14 pm)
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heater blower fan:relay good,power to relay, no power to fan runs intermintly stumped,wires good,a little information will help me a lot thanks
#52 of 115
blower motor control module by imidazol97
Nov 04, 2007 (7:35 am)
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You probably have a blower control module problem. It is an automatic temp control car? This is where the fellow is pointing on top of the housing for the incoming air for the blower motor which is to the right of his hand. The module is held in by two bolts; it gets cooled by the air flow.
 
Access is easier if you take out one or two bolts holding the relay center above the blower unit and raise it. I don't know if he did that in the picture.
 
You can double check by supplying power directly to the blower leads from the battery with a fused power wire and keeping it grounded to be sure the blower motor is working.
 
The module is available from ADvance auto, junk yards-different ones for different carso-be careful, and gmpartsdirect.com, rockauto.com, and another one to price shop online. It's under AC/heating, electrical, usually.
 
Troubleshoot it first to be sure it's the problem. They usually fail stuck on and drain the battery running the blower motor after car is turned off. Also fail where they vary with temperature how they act with the blower motor running sort of at very odd speeds for the setting on the dash control...
#53 of 115
Re: 00 bonniville windows and locks [jstiel] by skitch1
Nov 14, 2007 (1:44 pm)
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Replying to: jstiel (Oct 04, 2007 3:26 pm)

Did you ever get the issued straightened out on the 2002 Bonneville?
#54 of 115
'01 Bonneville SSEi with water & electrical issues by srizner
Dec 03, 2007 (3:32 pm)
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I have a 2001 SSEi and from reading other posts in this forum I think I may have water drain issues and probably some ground issues. First issue was the wipers-they would turn on but not turn off. Second issue is water coming into the car-started in the rear passenger floor now it is also in the front driver side-cannot locate where the water is coming from, maybe the sunroof. Third issue is oil pressure gauge-it reads 0 pressure but there is plenty of oil and there are no additional noises coming from the engine. Interior lights work sometimes. My car has always been "sensitive" to water. Any thoughts on where I should start? Thanks!!
#55 of 115
Water water everywhere by mdecipher
Dec 03, 2007 (4:14 pm)
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I had an older Bonv that leaked and had plugged drain holes in the sunroof, and a broken piece of trim around driver door that were responsible. A friendly GM bodyshop manager can roll off a list of possibilities since it appears they deal with these issues with this vehicle often. The wiring issues I've run into have been under the carpet secondary to rust and corrosion.

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