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GMC Jimmy Electrical System

102 messages,  Last post on Nov 24, 2009 at 6:06 AM

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What is this discussion about? GMC Jimmy, Entertainment System, SUV

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#41 of 102 Montana brake/turn signal problems by bgerlach Oct 18, 2006 (6:20 am)
When using the right turn signal on my 99 Montana all six bulbs blink faster then normal. When the brake is applied the brake and running lights go out and the blink speed goes to normal. There are no blown bulbs. Where should I start? Replies to this message: repairdog (Nov 10, 2006 1:43 pm)
#42 of 102 Re: starting issues continued.. [lightningsteed] by kjarvis420 Nov 10, 2006 (7:29 am)
Replying to: lightningsteed (Aug 31, 2006 12:55 pm) Hey maybe you can help me out? When I go to start my car, it cranks, but it won't turn over. It just dies. It's definitely something with the security system because the security light comes on and it dies as if I was trying to steal it. I tried activating and deactivating the alarm, but that doesn't work. Also, this doesn't happen all the time. Only when it feels like it, I guess. Replies to this message: lightningsteed (Nov 10, 2006 10:29 am) repairdog (Nov 10, 2006 1:37 pm)
#43 of 102 Re: starting issues continued.. [kjarvis420] by lightningsteed Nov 10, 2006 (10:29 am)
Replying to: kjarvis420 (Nov 10, 2006 7:29 am) Well I thought for sure my security system was to blame, on several occasions I tried to start it and it acted up. check your battery connections, unbolt them and make sure they are clean without any corrosion if corroded clean with baking soda and water an old toothbrush works good to apply and scrub it clean, I added some anti-corrosion washers from the parts store. my positive cable was ever so slightly loose combined with the corrosion that had formed it was enough to cause me intermittant starting problems and eventually a charging problem. its simple enough and doesn't cost much of anything if thats the culprit. if you have a voltmeter check for 12 volts at the battery cables, and you should see about 14 when running.
#44 of 102 Re: starting issues continued.. [kjarvis420] by repairdog Nov 10, 2006 (1:37 pm)
Replying to: kjarvis420 (Nov 10, 2006 7:29 am) Yes, good advice to check the terminals and the battery itself. Also look at the starter if it does not crank over at all there is an ignition wire to the starter that may have a loose nut holding it on - seen that one. If it does crank over but not start post back and a whole diff problem.
#45 of 102 Re: Montana brake/turn signal problems [bgerlach] by repairdog Nov 10, 2006 (1:43 pm)
Replying to: bgerlach (Oct 18, 2006 6:20 am) I do not track Montana problems so as a general GM area look/research the hazard switch or flasher button on top of the steering column, the multifunction switch (the tyrn signal arm and the controls in the column, or the brake switch on the brake pedal - only ideas. Do some searches and good luck GM may have a bulletin - call the dealer with your VIN and ask - service can pull this up.
#46 of 102 security light causeing car not to start by stephaniej Nov 19, 2006 (5:59 pm)
Ok everyone I'm someone can help here. I have a 2002 Monte Carlo and my security light stayes on now and my car seems to start only part of the time and other times it won't even act like it will start everything comes on but car won't start. I was told I need to reset my security light but I have no clue how any clue or hints will be very appreciated.     Thanks Replies to this message: repairdog (Nov 22, 2006 4:05 am)
#47 of 102 Re: security light causeing car not to start [stephaniej] by repairdog Nov 22, 2006 (4:05 am)
Replying to: stephaniej (Nov 19, 2006 5:59 pm) If same as blazers Passlock was activated and its a body computer code that requiresa scanner to reset so dealer time. Its probably that if after you turn the key to run (not start) and the security light does not go off after 5 sec buts stays on.
#48 of 102 starting issues 2000 GMC Jimmy SLT by gitmo Feb 11, 2007 (8:07 am)
Lately it's taking about three or more attempts to get my Jimmy started. It turns over but not even close to ignition until the third or fourth try. Also, while driving there is a high-pitched whining sound that comes and goes as the accelerator is applied. it's had a new battery and alternator, serpentine belt installed. Fuel pump has been replaced. i've also noticed a burning plastic odor as well lately. Any help would be very appreciated, thank you. Replies to this message: repairdog (Feb 11, 2007 2:31 pm) brazosport69 (Nov 26, 2007 12:56 pm)
#49 of 102 one more thing by gitmo Feb 11, 2007 (8:14 am)
hello again. Also lately I've tried to put the truck into FWD mode, I press the dash button, the light blinks a few times but it never engages. Any ideas on this latest of woes. The truck has 101000 miles on it. 2000 GMC Jimmy SLT. Thank you Replies to this message: repairdog (Feb 11, 2007 2:32 pm)
#50 of 102 Re: starting issues 2000 GMC Jimmy SLT [gitmo] by repairdog Feb 11, 2007 (2:31 pm)
Replying to: gitmo (Feb 11, 2007 8:07 am) This could be many things. Tuneup with a new cap/rotor, wires, plugs is #1. Then air and fuel filters. Any codes to point to a sensor? If the smell is more like burnt maple syrup kind of it could be the coolant leaking or a heater core - check the reservior for a stable level, look at the water pump for leaks and the whine, see if noise is from the AC compressor with AC or defrost on, look at the vac lines underhood drivers side for rot, and good luck you have to narrow it down.

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