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SUVs Chevrolet Blazer Chevy Blazer GMC Jimmy Electrical Problems
472 messages, Last post on Nov 19, 2009 at 4:18 PM
You are in the Chevrolet Blazer Forum. Your Hosts are steve_ & tidester
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This is a general answer to this problem. I know I just went through it myself. The turn Signal Switch incorporates the Hazard Switch, High and Low beam headlights, Windshield Wiper speed, intermittent, and washer spray contacts along with the Cruise Control if so equipped. This is usually caused by excessive carbon build-up in the Turn Signal portion of the switch switch on the steering column itself. It's not too, too hard to replace the switch if your good with tools and patience. Just remember that there are more than one "Turn Signal Switch" produced for these vehicles, "extended build" and "option code" variables. The switch may even be opened to clean out the carbon build up on the contacts inside the switch, but you have to be very diligent in attempting this repair. I personally at the time, did not want to try to open the switch only because I couldn't afford to be without the vehicle. You have to open the drivers side of the dash and drop the steering wheel. I know sometimes the way Murphy's Law works and I would have been on the bad side of Murphy. The Dealership wanted over $600.00 to do the job, $280.00 for the Switch itself. Cost me $220.00 for the new switch from a site on the internet which included expedited shipping and 3+ hours of my time. I got the switch in 24 hours, would have been 2 days from the dealer. The switch is OEM too. After installing the new switch I decided to open and repair the switch, which was LOADED with carbon build-up in the Turn Signal portion of the switch. Now I have an extra switch. There are plenty of sites on the web where you can get the switch, but like I said make sure it's the correct one for the Vehicle. GOOD LUCK!  I truly hope this does not upset the Hosts or Moderators of the site, If it does I apologize. I tried to understand the terms of the site but I'm a Mechanic, not a an Attorney or I would have posted the site I did business with. |
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I'm pumped, just bought a 97' Jimmy yesterday. Very, very well kept. Just 71k mi. Went to open rear hatch earlier today (worked fine yesterday) with the key remote and it wouldn't open. So, I used the button on the dash to open it, it wouldn't open. I tried the key, wouldn't open. I finally checked the fuse (# 2- 20amp) and it was blown. (also controls lighter, horn, etc.) I tried to replace it, and once the new fuse made contact it sparked and blew. The next time I tried replacing the fuse without the engine running, again it blew. What could be causing this? I'm sure probably a short in the wiring somewhere, but where should I begin? I am a rookie to auto-repair, but not bad at it. Please someone help me!
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Replying to: do_it_myself (Aug 07, 2008 1:40 pm) To blow a 20 amp on contact, you have a hard short. Shouldn't be too hard to find. Look at the wiring around the lighter, and under the dash for any cuts, jumpers, modifications, that sort of thing. Did the car have a custom audio system that was removed before selling? Or an electric brake controller for trailer brakes?
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Replying to: jlflemmons (Aug 07, 2008 5:50 pm)
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Replying to: do_it_myself (Aug 07, 2008 6:33 pm) Jim |
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I have a 2000 GMC Jimmy and I noticed that things are starting to either short out, or blow out. I've checked all the fuses and they all seem to be fine. What I have noticed is that my LED tail light has refused to work for some time. Not exactly sure how to check whether it has gone bad or what. Another thing is the lights for my Gearshift Display (R, N, D, 3, 2, 1) does not illuminate anymore, along with 4 of the 6 channel buttons for the stock stereo. Any ideas? Thanks, Bobby
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Replying to: bobbyb96 (Aug 09, 2008 3:33 pm) If the entire LED light is out, it could have been damaged by high voltage, but that is not likely. Check your owners manual and see if there is a specific fuse for the third brake light. |
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My 2001 Blazer has started having problems with the electrical display. The right side signal light comes on, but does not flash. The left side signal light comes on but flashes at double the normal rate (like a bulb was burned out), unless I hit the Hazard Light switch for a few seconds, then it goes back to normal. Also, more recently, the ABS and Parking lights will sometimes light up on the dash, unless I shut off the engine and restart. Then it all works fine. Any help would be appreciated. |
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| recently my left rear break/blinker fuse began blowin, i changed bulbs, flasher, taped harness wires leaving jack compartment to left tail-light assembly; and looked for any bare wires to ground. still kept blowing fuse when i did any of 3 things; activate 4 way, break, or left turn. Then after a few weeks, both left and right fuses began blowin not necessarily at same time but sometimes yes. Now for about a week my left has stopped blowin and the right is not doing it as often. When the fuses blew i never lost running lights or the led break light over rear hatch. Thanks for any help. | |
| I just found out today that I need the multifunction switch on my 1997 Blazer replaced. The dealership that I talked to wants about $600.00 for the part and the labor. I plan on trying to replace it myself. Anyone out there have any suggestions for me?? | |
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