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Chevy Blazer GMC Jimmy Electrical Problems

472 messages,  Last post on Nov 19, 2009 at 4:18 PM

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#346 of 472 Re: 97 Blazer no hazzards or brake lights [badassken2004] by guard278th Dec 01, 2008 (4:57 pm)
Replying to: badassken2004 (Oct 25, 2008 7:00 pm) im having the same problem did you get a answer Replies to this message: ccbecke (Dec 01, 2008 6:40 pm) jlflemmons (Dec 01, 2008 9:05 pm) ccbecke (Dec 02, 2008 7:33 am)
#347 of 472 Re: 97 Blazer no hazzards or brake lights [guard278th] by ccbecke Dec 01, 2008 (6:40 pm)
Replying to: guard278th (Dec 01, 2008 4:57 pm) Unfortunately, no one at all has responded. Kinda upsetting. I really need the help. Replies to this message: jlflemmons (Dec 01, 2008 9:05 pm) ccbecke (Dec 02, 2008 7:33 am)
#348 of 472 Re: 97 Blazer no hazzards or brake lights [ccbecke] by jlflemmons Dec 01, 2008 (9:05 pm)
Replying to: ccbecke (Dec 01, 2008 6:40 pm) calm down, fellas. Lots of us were travelling.   Okay, lets break this down. Wipers won't turn off, turn signal issue. Probably a bad multifunction switch there on the column. There have also been issues with wipers in the past where the solder joint of the connector on the circuit board of the wiper motor assembly cracks. You unplug the harness, remove the cover, and check the connector for cracked joints. Clean, resolder, reassemble. Don't need to replace the board, it will work when resoldered. Done lots of these.   Dome lights. Does anything turn them on? Any door, or the switch on the instrument panel?   The 2WD/4WD issue can be a bad solenoid at the transfer case, or a bad vacuum line. Others with 4WD have seen this issue, try searching for it.   Hazard and brake lights are on the same circuit, at least partially. Both go through the flasher unit behind the dash, and guess what, they also go through that little multifunction switch mentioned earlier.   So, it sounds like most of your problems are related to the servo engagement circuit for the 4WD, and the multifunction switch in the steering column. There is a detailed procedure on changing the switch on the previous page.   Hope that helps. Replies to this message: ccbecke (Dec 02, 2008 7:33 am)
#349 of 472 Re: 97 Blazer no hazzards or brake lights [jlflemmons] by ccbecke Dec 02, 2008 (7:33 am)
Replying to: jlflemmons (Dec 01, 2008 9:05 pm) Sorry.....and thank you very much for your help.
#350 of 472 Similar issue? by dfohr Dec 05, 2008 (7:49 pm)
Hi all -- I have an '02 Blazer. The top LED brake light the left rear brake light are not working, but turn signals and hazards work fine....could this also be related to a bad multi function switch I'm reading about here or is there anything else that someone has heard of that might fix this.....open to any and all suggestions. Thanks
#351 of 472 2005 gmc jimmy battery runs down by Jimmy123 Dec 17, 2008 (10:24 am)
This one really puzzles me. While driving and once while parked, no keys in ignition. The interior lights come on and shut off by themselves. If I park the jimmy for a couple of days the battery runs down flat. I had the dealer try to find the problem on three different occasions. They said the battery is ok and they could not find a parasitic load. I am really puzzled on this one searching for answers.
#352 of 472 Parasitic drain by duntov Dec 17, 2008 (11:23 am)
It may be:   There is a intermitten short causing a batttery drain. When the battery was checked for a battery drain, the short was not present. My 1991 Blazer had a battery drain and it was found to be a bad power door lock relay. The bad relay completely discharged the battery after I did not drive the vehicle for five days. Bad relays are common causes of battery drains.   Replace: The on/off- dome light dimmer switch.. The door switches.   They are inexpensive. See if doing that solves the problem.
#353 of 472 Electrical Problems by buffalochic74 Dec 21, 2008 (9:16 am)
I have a 1998 Jimmy 4x4 its not the battery its my electrical system but l dont know where or what. My lights act funny, one power window gets stuck sometimes, wipers change their own pace, the power reves up my engine sometimes, and my truck died at a light the other night and l couldnt get my speed up to more than 20mph so got it home and havent moved it since. lt starts up just fine but doesnt like to drive anywhere with gasping. lm taking it to the mechanic of course but l wanted to know if anyone else had these problems its never happened before.
#354 of 472 Wiper only works on High by jthompson5 Jan 01, 2009 (4:51 pm)
Would someone help me in understanding how my wipers work only on High? Everything else on the multifunction switch works... I already plugged in a new wiper motor (which includes circuit board). Do I need a new multifunction switch and if so, are they somewhat easy to install?   I have a 1998 Chevy blazer.   Thanks for the help..
#355 of 472 Interior Lights by Wrench54 Jan 02, 2009 (6:03 pm)
I own a 1995 Chevy Blazer and since the weather has gotten very cold here, the interior lights will not shut off automatically as they should unless the vehicle is really warm. Is there a sensor inside the vehicle or in the electrical system that may have been contaminated by some moisture? Also, even though the indicator light on the button lights up, my "Hi 4 wheel drive' will not engage. Any ideas?? Wrench54 Replies to this message: mwolf9000 (Jan 05, 2009 6:41 am)

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