Windshield wipers switch - Team Camaro Tech
Electrical & Wiring Troubleshooting electrical.

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post #1 of 3 (permalink) Old Jan 2nd, 01, 07:13 AM Thread Starter
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Location: Puerto Rico
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When I purshased my 68 it came with a toggle switch to run the wipers in just one speed. Now I'm reinstalling the dash parts after the body work and want to know how I can test the switch. Mine has three male spade connectors in the back, two of them close one to another and the third one a little appart. I want to meassure continuity betwen then, the switch has three positions. In the full clockwise position, all have to have contact? Thanks in advance.
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post #2 of 3 (permalink) Old Jan 3rd, 01, 05:59 AM
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Location: Greenville, SC
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I'm not real sure exactly how the system works. However, the wipers on my 68 didn't work when I bought it. The switch,harness and wiring were butchered. I replaced the harnesses and switch. Found that the power to motor goes directly from the fuse to the motor windings. The switch merely "grounds" the windings to complete the circuit. Thats why it is so important for the switch to have a good ground at the dash. This is where the circuit is completed. That's about all I know. Someone more knowledable may shed more light on this. The three tabs on the switch are for the low, high, and washer pump circuits. I don't remember which is which, but there is a light blue, dark blue, and black wires that go from the switch to the motor conn. the yellow wire at the motor is the 12 volt source.


[This message has been edited by H-dog (edited 01-03-2001).]
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post #3 of 3 (permalink) Old Jan 8th, 01, 04:32 AM Thread Starter
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Thanks H-dog, using the info. you gave me I tested the switch and came out "OK". It makes ground to all the connectors depending in what position the switch is. I'm gonna clean the area behind the dash prior installation and also put a grounding strap from it to any metal reinforcement. For now I'm installing the dash components and interiors then I'll install and test the motor.
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