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2004 Chevrolet Colorado 1SB LS Z85 Crew Cab 126.0 WB

2004 Chevrolet Colorado
Trim Info:
Rear Wheel Drive, Crew Cab
20 mpg city / 27 mpg hwy
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October 8, 2012, 1:10 pm

John P

Question: Are there any reports of wiper problems?

I have an intermittent problem with the wipers. Sometimes they stop in any position. When this happens I usually end up with only high speed on the wipers. After a while things return to normal and the problem may not reappear for weeks. Local garage just replaced the motor and the issue remains.

October 14, 2012, 4:13 pm

Ron W
Expert Mechanic

Did they replace the wiper pulse circuit board with the motor? GMs had issues with the circuit board (which mounts directly onto the motor) losing the park position connection. It's about a $50 part from the dealer as I remember.

And I believe it was still used until 2005 (but I'm not 100% sure)

If you google "GM wiper pulse circuit board" I'm sure you can find a picture and even a youtube video showing how to change it. It is a simple repair.

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October 24, 2012, 7:21 am

John P

I checked with the garage and they said the circuit board was replaced as well. They installed a whole motor assembly.

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