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Why does 1999 suburban have constant blinker sound and signal lights still work?
Wiki User
∙ 15y ago
The Multi-function switch( turn signals,hazard,lo/hi beam,cruise control,windshield wipers/washer) has deteriorated inside and one of the thin metal contacts has worn out or come loose. Replacing this assembly should fix you up. The service manual for the 1999 says to remove the air bag ,steering wheel and ignition switch to perform this operation, however I did change the one in my Suburban without removing any of this. You can buy an aftermarket switch for less than half of what the dealer gets. Of course the quality of the part may be questionable and it's a real pain to think you might have to remove and replace it again for some other problem( like cruise control shuts off when the right turn signal is engaged ; mine does ,so I live with it!) Definitely somewhat expensive and troublesome for a nuisance fault!
Wiki User
∙ 15y ago
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