Re: 2000 GMC Jimmy, Flasher clicks alot even after...
Auto headlights do go off when turn signal is put on. The wiper problem could very well be in the blinker switch in the column, they are know to go out on these trucks. Run some tests before replacing.
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car should have an emergency flasher. If it isn't working, it could affect the brake lights. might be the same unit as the turn flasher but different relay inside. Is your fuse panel behind the glovebox? manual says flasher is in the fusebox. It's worth a try replacing this flasher unit. Looks like this:
if you are certain that it is the turn signal flasher, test your TS switch, try unplugging it and see if the issue stops. The contacts are mounted in plastic, and eventually overheat and do stuff like you describe.
Those are the typical symptoms of a problem with the mutifunction switch. The dielectric grease becomes impregnated with metal flakes, which jumps the contacts inside the switch. The clicking that you hear is the flasher relay located behind the glove compartment. Replacing the switch is not that hard for a DIYer. Some guys have remedied the problem by taking the switch apart, cleaning out the old grease, and applying new grease. File In Section: Product Recalls Bulletin No.: 01073A Date: July, 2002 PRODUCT SAFETY RECALL SUBJECT: 01073A - STOP LAMPS/HAZARD LAMPS INOPERATIVE MODELS: 2000-2001 CHEVROLET BLAZER AND TRAILBLAZER (CLASSIC); GMC JIMMY AND ENVOY (CLASSIC); AND OLDSMOBILE BRAVADA (CLASSIC) 2002 CHEVROLET BLAZER; GMC JIMMY AND ENVOY (CLASSIC) This bulletin cancels and replaces bulletin 01073, issued April, 2002. All copies of bulletin 01073 should be destroyed. Due to parts availability, this recall was administered in two phases. This is the second and final phase of the recall. The Parts section has been revised to include parts for this second phase.
Summary: GENERAL MOTORS IS RECALLING 5,862 MY 2000-2002 CHEVROLET BLAZER, MY 2000-2001 GMC JIMMY, AND MY 2000 OLDSMOBILE BRAVADA SPORT UTILITY VEHICLES. THE MULTIFUNCTION SWITCH COULD DEVELOP AN OPEN CIRCUIT CONDITION THAT RESULTS IN THE STOP LAMPS AND THE REAR HAZARD LAMPS BECOMING INOPERATIVE. THE CENTER HIGH MOUNTED STOP LAMP AND TURN SIGNAL FUNCTIONS ARE NOT AFFECTED.
EITHER THE FLASHER UNIT IS BAD OR THE TURN SIGNAL SWITCH UNIT IS BAD,HOPEFULLY FOR YOU THE FLASHER IS BAD BECAUSE THE T-SIGNAL SWITCH IS EXPENSIVE,BECAUSE THE DIMMER SWITCH,HAZZARD SWITCH,AND THE WIPER SWITCH ARE ALL ON THE SAME UNIT WITH IT.
the flasher is right below the radio,under the dash .it take 3or4 screws to take off panel.both flashers are under there.one for your 4 ways,and one for your turn signal.if your four ways work you can fill the flasher to determin which is witch. mine the four ways was on the left,turn signal on the right.they are not in the back of glove box.ther is apanel there with three relays but not for your turn signal.thank u gm jim.u helped me find them.
I had same problem. You need to change the combo signal switch. I did find a sneeky way to do it without taking off steering wheel & air bag. There are two torx screws holing it on. The one in the front of switch is easy to get to. The other one toward the left under steering wheel is the pain. Get the proper torx bit, the bit should be about 1 in long. Put just the bit in the screw and use a quarter inch wrench to loosen it. This should save you about 1 hr & alot of work. Dont forget to remove battery cables first when working around the air bag (yellow wire)
Sounds like the combination switch is bad. The comination switch is for the turn signals and high beams and sometimes cruise control and windshield wipers. The combination switch is the turn signal lever. Also might want to check turn signal flasher operation.