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Pontiac Montana Electrical Issues

116 messages,  Last post on Oct 02, 2009 at 6:00 PM

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What is this discussion about? Pontiac Montana, Pontiac Montana SV6, Van

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#57 of 116 Re: 1999 Montana Electrical Problem [jhirneisen] by jhirneisen Jun 16, 2008 (3:59 pm)
Replying to: jhirneisen (Jun 16, 2008 3:57 pm) Dave, I forgot to mention.......................the plug short can cause electrical feedback...might show up as turn signal lights, ABS, Air-bag, and TCS errors! Jack
#58 of 116 Re: montana turn signals [jhirneisen] by finnecj Jun 19, 2008 (5:48 pm)
Replying to: jhirneisen (Apr 15, 2007 8:21 pm) Many thanks to Jack. I was having phantom electrical problems with my 2000 Montana and finally the rear stop lights quit working all together. Googling the problem led me to this forum and with your advice, I solved the problems by replacing the pigtails and the circuit boards. A little pricey on parts but the labor wasn't difficult and now the turn signals and stop lights work great. Thanks again. Charlie Alabama
#59 of 116 Power Loss by baileyjm Jun 22, 2008 (6:01 pm)
I have a 2000 Montana and had the head gaskets replaced. Since I got it back, once I drive it for a while, it starts to lose power and not want to shift. I noticed all the tranny problems that had been posted and replaced it, but that's not the answer. Also replaced all coil, ignition module, plugs, wires, TP sensor, and computer. Any input or advice will greatly be appreciated. Replies to this message: paulhook (Nov 15, 2008 10:12 am) jhirneisen (Nov 15, 2008 3:33 pm)
#60 of 116 Frustrated by talus1 Jul 01, 2008 (7:04 pm)
Any help or suggestions would be appreciated. I have intermitent issues with electrical. There are times when I start my car that none of the dashboard works or the radio does not work. The Service Engine Soon light will come on and when I take it to the repair shop they cannot find anything wrong. There have been times when I drive down the road that the lights, dashboard and headlight, will fade in and out as if someone is controlling a dimmer switch. Even the dealer ships when they do a diagnostic cannot find what is wrong. However they are willing to trouble shoot the problem with no guarantee for a fix that could cost me several hundred dollars, not to mention they want my car for 7-10 days. If anyone has had this problem, the solution you arrived at would be greatly appreciated. Replies to this message: jhirneisen (Jul 02, 2008 8:51 pm) jhirneisen (Jul 02, 2008 8:55 pm) akashmer (Jul 03, 2008 6:14 am)
#62 of 116 Re: Frustrated [talus1] by jhirneisen Jul 02, 2008 (8:51 pm)
Replying to: talus1 (Jul 01, 2008 7:04 pm) I would agree.....maybe a wiring harness problem.....a good chance it's in the rear tail-light clusters.....black wire (hot) shorting out with other wires. Pull the fixtures and smell the sockets! Jack in Colorado
#63 of 116 Re: Frustrated [talus1] by jhirneisen Jul 02, 2008 (8:55 pm)
Replying to: talus1 (Jul 01, 2008 7:04 pm) http://www.dexcoolsettlement.com/   For all of you who have had problems with DEX COOL (including me) in Pontiac Montana engines (and the other 2 GM sister mini-vans, and several other GM cars and trucks…Buick, Chevy, Olds, Pontiac), there is a proposed CLASS ACTION SETTLEMENT. GM does not admit any problems, but it looks like they will have to reimburse effected owners. See this web-site: http://www.dexcoolsettlement.com/   Jack ....in Colorado Replies to this message: akashmer (Jul 03, 2008 6:14 am)
#64 of 116 Re: Frustrated [jhirneisen] by akashmer Jul 03, 2008 (6:14 am)
Replying to: jhirneisen (Jul 02, 2008 8:55 pm) Yep thanks I filed
#65 of 116 Fuel gauge by anamishguy Aug 01, 2008 (8:10 am)
Has anyone found out the problem with the fuel gauge floating? Thanks.
#66 of 116 Fuel Gauge by mactoeknee Aug 16, 2008 (5:56 am)
I am looking for the same - our 2000's fuel gauge just started showing half-->full range when it's really the empty-->half range. Arg... This forum was the closest I found to an answer so far.

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