Wiper Motor DOA?

1129 Views 5 Replies 3 Participants Last post by xxScorpion64xx, Aug 1, 2015

xxScorpion64xx

Discussion Starter · Jul 31, 2015

I bought this wiper motor that looks old at a flea market a few weeks ago. It was only $5.00 bucks so I took a chance. Just got around to testing it, first I used a lap top power supply that I got for 50 cents at a garage sale. It didn't work so I directly connected to the battery of my car, nothing again. It looks pretty simple, it has a black and red wires which i assume are positive and negative. Anyone care to officially pronouce it dead before I pitch it?

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J-Man

· #2 · Jul 31, 2015

You have to figure out the wiring before you toss it. Auto wiper motors have more than just 2 wires to function, there's a park position that shuts off the motor when the wipers are down.

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J-Man

· #4 · Jul 31, 2015

In addition to positive and negative connections, it may require power or GND on one of the other wires to activate the park switch. Some cars are negative switched, some are positive.

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