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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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#2 of 116
interior lights by ksix
Nov 14, 2006 (10:01 am)
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The interior lights will "not" go off when I shut the doors. The only way I can turn them off is to use the over-ride switch on the overhead console. I did check the BCM PRGRM and it is set on program three (three tones). I there a multi function module that needs replaced?
#3 of 116
interior lights by ksix
Nov 14, 2006 (10:06 am)
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This is my first time posting a message. Sorry I forget to give the make & model. 1999 Chevy Venture LS with 150 miles
#4 of 116
montana turn signals by seppy
Nov 17, 2006 (7:43 pm)
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some wierd things going on with our 2001 montana, first: when in park engine on step on brake pedal the left and right turn signals light up very dim, second: signals work fine until i step on the brake pedal the left only ticks faster and the TCS lights up on dash. third: when i put it in reverse left side reverse light does not light as strong as right side and also left and right indicators on dash light up dim. ive checked all bulbs and filaments. signal switch?? or brake light switch?? please help!!
#5 of 116
Re: montana turn signals [seppy] by asktheexpert
Nov 17, 2006 (8:50 pm)
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Replying to: seppy (Nov 17, 2006 7:43 pm)

You have a ground problem.
Take off you rear right tail light assembly.
Remove the PC Board from the light housing.
Use care to not break the plastick clips when remoing the PC board.
Disconnect the PC Baord that holds the bulbs from the wiring connector.
Look at the connector on the PC Board. The middle one is black, corroded and the black plastic is partially melted.
Look at the connector end.
The connector is melted around that plug location and the connector is also black and corroded.
Use a small flat blade screw driver to clean the pin connection on the PC Board side.
Go to the junk yard and cut out a couple of these wire harnesses for the plug. Cut off about 6" of wire with the plug. Use a wire crimp tool to replace the plug. Be sure to wire it exactly as the one you remove.
If you forget how, look at the left side light.
I believe this is seen only on the rear right due to the exhausts location on that side and the fact that GM trys to save a nicle by using too small of a ground connector causing it to over heat.
#6 of 116
Re: montana turn signals [asktheexpert] by asktheexpert
Nov 17, 2006 (9:04 pm)
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Replying to: asktheexpert (Nov 17, 2006 8:50 pm)

When I said cut off about 6" of wire, Imean on the junk yard car. Cut your car's plug off next to the plug.
 
Good Luck.
#7 of 116
Re: montana turn signals [asktheexpert] by seppy
Nov 18, 2006 (5:03 pm)
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Replying to: asktheexpert (Nov 17, 2006 8:50 pm)

thank-you very much for the info
#8 of 116
2001 pontiac montanna by sdlsweet
Jan 14, 2007 (6:19 pm)
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I need key codes!!!!!!!!!!!1 I lost my keys, and the keys I made at Walmart wont start it!! The dealership wants me to pay over $200. HELP!!!!!!!!!!!1
#9 of 116
Here's one for ya! by rsarnol
Jan 27, 2007 (6:31 pm)
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2000 Montana, when I hit the brakes the horn blows. Is it possible that these wires are somewhere connected?
#10 of 116
Re: interior lights [ksix] by guardrail
Feb 27, 2007 (7:12 pm)
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Replying to: ksix (Nov 14, 2006 10:01 am)

Hi, I have a 2000 Pontiac Montana with the same problem. My interior light comes on when I turn on the rear defrost, brake lights or turn signals. They stay on until I use the overide switch. I'm hoping its not the Body control module but I got a bad feeling. I think these are related and mebe someone solved it. THX

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