Pagoda SL Group
W113 Pagoda SL Group => Electrical and Instruments => Topic started by: rmmchl on August 29, 2008, 15:36:23
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I had my dash apart reconditioning my vent box-heater core-windshield-radio--etc.-when i put everything back my wipers dont work-the wiper pump works-where do I start to diagnose this problem? I hope I didn't disconnect something-the fuse that controls this is also the one the wiper washer pump is on, so it is not a fuse. Could it be a relay? -I had the mechanism arm bolt loosened under the glove box, so I could get out the vent dash.I wonder if I put the bolt arm back too tightly . I have no clue
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I agree that if the horn, lighter, and washer pump work, it is not the fuse. If the turn signals also do not work, I would suspect the stalk switch next. There was a discussion about the wiper relay in Feb of this year and instructions about how to jumper 2 pins (56 and 56b). If the wipers turn on, its a bad relay (about $70 at Budz Benz).
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the blinkers work also----------------i'm afraid to do that jumper pin technique
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I would start with testing the power at the motor. Unplug it and verify that it isn't getting power. If it isn't getting power, I would try to check the relay (although I have not read about this before). I found with my car that it was worth tapping on the relays with the handle of a screwdriver a few times to see if that causes something to happen. If you ARE getting power at the plug, I would check for a bad ground.
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it was the relay-------------i jumped the 56 and 56-b----then i pugged the relay back in and it started working again------is there a way to clean these relays that will occasionally freeze up like that?