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1990 w250 wiper problem #1513014 10/05/13 11:31 PM 10/05/13 11:31 PM
Joined: Jun 2006 Posts: 274 East Liverpool, OH B b body dreams OP enthusiast
b body dreams OP enthusiast B Joined: Jun 2006 Posts: 274 East Liverpool, OH	I recently aquired a 90 w250 4x4 that im fixing up for a plow truck. Poor truck has been sitting since 2005 and needs some love for sure. My current problem is with the wipers. They made one pass up the windshield and stopped. I have read about the bushings in the linkage that go bad. I already removed the wiper motor and bench tested it. If I jump power and ground to the two outermost terminals on the motor it turns ok. My question is should I be able to reconnect the electrical connector and have the motor work with the switch on the column while I hold it in my hand or does it have to be bolted down to get a ground?

Re: 1990 w250 wiper problem [Re: b body dreams] #1513015 10/06/13 01:53 AM 10/06/13 01:53 AM
Joined: Aug 2006 Posts: 8,064 Iowa 76dodgeboy master
76dodgeboy master Joined: Aug 2006 Posts: 8,064 Iowa	Well it has rubber bashing where it mounts so should be able too. Should have checked before pulling. Was any of the bashing bad and linkage apart?

Re: 1990 w250 wiper problem [Re: b body dreams] #1513016 10/06/13 07:37 AM 10/06/13 07:37 AM
Joined: Nov 2008 Posts: 5,961 Greenville, PA redraptor master
redraptor master Joined: Nov 2008 Posts: 5,961 Greenville, PA	Quote: My question is should I be able to reconnect the electrical connector and have the motor work with the switch on the column while I hold it in my hand or does it have to be bolted down to get a ground? I would hook it up in hand. If it doesn't work then use a jumper for ground. If it works then you got a grounding issue in your connector.

Re: 1990 w250 wiper problem [Re: redraptor] #1513017 10/06/13 08:24 AM 10/06/13 08:24 AM
Joined: May 2003 Posts: 15,487 Florida S scratchnfotraction I Live Here
scratchnfotraction I Live Here S Joined: May 2003 Posts: 15,487 Florida	Quote: Quote: My question is should I be able to reconnect the electrical connector and have the motor work with the switch on the column while I hold it in my hand or does it have to be bolted down to get a ground? I would hook it up in hand. If it doesn't work then use a jumper for ground. If it works then you got a grounding issue in your connector. you have to ground the flat ground strap that one of the bolts goes thru to ground to firewall. if you pull the wiper pivots to replace plastic bushings...remember the pivot with the longer arm stays on pass side...it sweeps more than the driver side does...if on wrong side the driver side wiper goes off egde of windshield. I got them mixed up when I had all of the linkage and both pivots off replacing the bushings. napa has all 4 bushing around 8$ 2 packs with 2 bushing to a pack.

Re: 1990 w250 wiper problem [Re: 76dodgeboy] #1513018 10/06/13 08:49 AM 10/06/13 08:49 AM
Joined: Jun 2006 Posts: 274 East Liverpool, OH B b body dreams OP enthusiast
b body dreams OP enthusiast B Joined: Jun 2006 Posts: 274 East Liverpool, OH	Quote: Well it has rubber bashing where it mounts so should be able too. Should have checked before pulling. Was any of the bashing bad and linkage apart? none of the linkage was apart but the bushing right at the wiper motor was only about half there. Ill try a jumper wire to the body of the motor today for a ground and see how that goes

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