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Old 09-20-2015, 10:49 PM   #1
LockDoc
The Older Generation


 
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Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 26,090
Re: wiper switch - help me troubleshoot

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All three wires on the switch are grounds. The switch grounds one wire for high speed operation, two wires are grounded for low speed operation and the third wire grounds the washer solenoid to activate the washers. Make sure that the switch itself has a good ground. You may find this thread helpful....

http://67-72chevytrucks.com/vboard/s...d.php?t=413551

LockDoc
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Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles

(My Dually Pickup Project Thread)

http://67-72chevytrucks.com/vboard/s...d.php?t=829820

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