THE WIPERS AND HEATER FAN WORK INTERMITTENTLY

2003 Chevrolet S-10

Tiny

Anonymous

January, 28, 2013 AT 1:19 PM

The wipers and heater fan work intermittently. They both mostly either work or not work at the same time, but a few times the heater will work while the wipers do not. No other electric components are affected. When they work, about 20% of the time, they are slower than normal (wipers on high are more like the slow setting, fan only turns slowly). I have replaced the wiper motor and pulse board with no change in function. Truck has a new battery. Now I went to start the truck and it just cranks. I get one code, P1626 the theft deterrent thing. I have checked all fuses, relays, ground connections, etc. Any suggestions? Can I have a bad BCM? Or does that not affect wipers and heaters?

1 Answer

Tiny

hmac300

January, 28, 2013 AT 3:36 PM

Heaters have their own module as well as wipers. The ground in tehwioper motor may be bad or it could be a bad multifunction switch. Make sure all your groundsa re good and check blower relay and resistor by blower.

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