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78 Brat - Wiper Motor

Featured Replies

Folks, 

 

First understand I am NOT very good with a multi-meter. That is, I do a lot of touching this and that, not really knowing if I'm in the right spot(s).

 

That said;

 

when the key is in accessory position and/or the car is running, with wiper switch "ON" I can hear the motor "clicking" (doesn't really sound like arcing). 

 

when I touch the left (from the front) connection on the motor, the meter reads 11volts

when I touch the right          "                                 "                  the meter reads  0 volts.

 

Bad Motor????

 

 

 

                 

 

Have you tried disconnecting the wires going to it, and running wires directly from the battery?  If that works, you might have a bad ground.  If not, then it's likely the motor.

  • Author

I'll try running jumpers. Do I need to be careful of Positive and Negative? If so, which terminal on the motor corresponds? 

pos or negative will just influence what direction it spins.Its just a motor afterall.While it may be clocked so it will spin one direction faster than the other way it should still move.

  • Author

Using jumper wires directly from the battery to the wiper motor I got;

 

tic-tic.......pause......tic-tic.......pause.......tic-tic

 

No 'running' of the motor.

try taking the motor and gearbox apart and inspect it for damage.If everything checks out assemble it with new grease and try it again.

  • Author

alright, thanks

FWI - If you're interested in the other NOS wiper motor, the one I received works perfectly. 

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