[:@]Ok my 87 S10 Blaze is blowin heater/ac Fuses the 1st one i put in lasted 2 weeks it blew,2nd one 30 mins and no they blow as soon as i turn the switch on....HELP.....Could it be the fan motor killing the fuses? or something evil in my dash messed up? or is there something easy i can do? no other fuses are blowing... Thanks

 

sounds like you have a wire rubbed and it is grounding out prematurely, causing the fuse to blow....

 

Disconnect the power wire at the heater motor, then turn on your switch. If the fuse still blows, the problem is probably in the switch or wiring. If the fuse doesn't blow, it's probably the heater blower motor.

 

Thanks i found a new switch in the rear pouch put it in and seems to be working for the moment lol

 

Nice to have a parts store in your back seat...lol