Question about 1991 Chevrolet C/K 2500

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4X4 KEEPS BLOWING FUSES

WAS WORKING FINE THEN BLEW A FUSE. NOW EVERY TIME I PUT IT IN 4WHEEL IT BLOWS THE FUSE WHAT COULE THE PROB BE

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Follow the wires from the switch on the transfercase,to the plugs on the front end,watch for bad wires

Posted on Jan 28, 2009

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Posted on Jan 02, 2017

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check transfer case electrical switch, sometime if it bad it will also blow the fuse. don't recommend you put any higher fuse than recommend, If the fuse blow there is a short some where and by putting higher amp fuse you might short or burn something else beside the fuse. if that check out than check your transfer case motor, might lock up and not allowing the motor to turn instead it short the fuse. don't drive the car, just leave it in park, put correct fuse amp back in and unplug transfer case electric switch and turn the key on (dont start the car) and see if the fuse blow; if not plug it back in and see if it blow the fuse. if that is not the case, unplug transfer case wire, and do the same and see if it blow the fuse.

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