wipers - Team Camaro Tech
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post #1 of 8 (permalink) Old Mar 15th, 00, 01:09 PM Thread Starter
 
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Since I am not very good with automotive electrical troubleshooting, could somebody give me a clue as to how to troubleshoot the wiper motor. When I first got the car last year, the wipers would only go back and forth one time if I pushed on the knob. They don't work at all when the knob is turned to low or high. Thanks.
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post #2 of 8 (permalink) Old Mar 15th, 00, 05:03 PM
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First check the fuses, then check if there is power at the wiper when you turn on the switch. Then check that the wiper has a good ground. It usually grounds at one of the mounting bolts.
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post #3 of 8 (permalink) Old Mar 16th, 00, 04:27 AM
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You probably have a bad wiper motor. There are 2 connectors on the motor, one for high/low (when u turn the knob) and a second for washers (when u push the knob) The washer circuit energizes the motor with a relay inside the washer assy, which bolts on to the end of the motor assy. The motor is probably shot. If you have a test light or VOM, check for voltage on the wires in the connector closest to the firewall, with the key on and the switch in the high or low speed position



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post #4 of 8 (permalink) Old Mar 16th, 00, 09:08 AM Thread Starter
 
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Thanks for your help. I will check it this weekend.
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post #5 of 8 (permalink) Old Mar 20th, 00, 05:52 PM
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I have got the same problem with mine. Exactly. I put new switch in car, tested motor. everything worked fine. finished assembling rest of car, put cowl on,wiper arms ect. no work now. tested power to motor, it's there. Does motor have to be grounded to firewall ? If so, how does that work with the rubber mounts?
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post #6 of 8 (permalink) Old Mar 22nd, 00, 08:20 AM
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The wiper motor does have to be grounded, there is a brass strip that is on one of the mounting bolt holes, this strip is then connected to the body of the motor, quick test is to use a jump wire or screwdriver with the switch in the on postion, try grounding the motor body, if you have sparks and the wiper motor runs then all you have is a ground problem
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post #7 of 8 (permalink) Old Mar 22nd, 00, 08:22 AM
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Sorry, locate the bolt that is the ground source remove the bolt and wire wheel it untill it is nice and clean, wire brush the brass strip where the bolt goes through.
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post #8 of 8 (permalink) Old Mar 22nd, 00, 09:01 AM Thread Starter
 
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Is there a way to disconnect the conectors on the wiper motor and run a jumper wire from the battery to the motor to see if it works? If so, any idea which wires are for which function?
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