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71 javelin wiper problems

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rtrogue View Drop Down
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    Posted: May/07/2017 at 11:42am
just installed rebuilt wiper motor in a 71 javelin. the motor is in the correct off position, with the wiper assembly hooked up and motor on the gears strip out when the wipers reach full up postion. I don't know if I have wrong motor or are there different types of wiper arms for the javelin. I have never seen this before and I have been working on AMC's for over 40years. If anybody has any ideas on the subject I would appreciate any help.
thanks
Rob
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304-dude View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 304-dude Quote  Post ReplyReply Direct Link To This Post Posted: May/07/2017 at 11:57am
I posted some Service manual info about the testing and operation of the prestolite wiper motor.

I will search for the link so you can look them over.

Until then, since you removed and swapped out the original... i assume you may be missing the ground strip that allows the motor to be grounded, as the motor is on rubber bushings for vibration control, you can check the back side of the motor plate, there is a ground strip that screws onto the plate and mounts to the housing.

There is no difference between motors, just everything is controlled by the transmission linkage for movement sweep. Even if the arms are too far or not aligned when installed, the motor should stop and return. I have seen wipers go beyond and above the trim, but it never grinded the gears doing so. Maybe internal. As they have some interesting parts that can wear out. Possibly a worn contact bushing.

Here is my past reply at the end of the thread.

http://theamcforum.com/forum/incredibly-annoying-wiper-motor-problem_topic86923.html

Edited by 304-dude - May/07/2017 at 12:02pm
71 Javelin SST body
390 69 crank, 70 block & heads
NASCAR SB2 rods & pistons
78 Jeep TH400 w/ 2.76 Low
50/50 Ford-AMC Suspension
79 F150 rear & 8.8 axles
Ford Racing 3.25 gears & 9" /w Detroit locker
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rtrogue View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote rtrogue Quote  Post ReplyReply Direct Link To This Post Posted: May/07/2017 at 12:54pm
thanks for the info. I have apart again and will check it out once more. again thanks Rob
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