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Discussion Starter · #1 · (Edited)
I bought my 5... 7 months ago.. wipers didnt work??.. i replaced the relay.. tried still nothing..i took wiper motor out and took apart to clear gearing grease and check for liquid inside? nothing..manually connected motor back to wiring to see if i could get power to motor and see if the motor is my issue? i checked the fuses.. they look good?
.. i dont hear anything and when i tried to see if the wiper pump was working it wouldnt squirt anything? is my stalk bad? my wiper motor or should i check fuses again ..

CAN SOME HELP ME PLEASE... :cry:
 

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The General Module operates the washer pump and the wiper motor.
Did you check F1 and F11?
When you had the motor out did you connect 12 volts to it to see if it would run?
The connector has 4 pins in it.
Pin 1 is ground, brown wire
Pin 2 is slow (with +12 volts connected), black/green wire
Pin 3 is fast (with +12 volts connected), black/brown wire
Pin 4 is Park (provides a ground to park the wipers), brown/green wire.

The wiper relay is in the DME box.
Relay K11 Pin 1 (brown/blue wire) gets a ground signal from the GM when you move the stalk switch to slow.
You could pull the relay and then jump a few of the socket connections together to see if the motor runs.
Pin 2 should be +12 volts from F1, (red/white wire)
If you jump pin 2 to pin 4 (black/green wire), that's SLOW
Pin 2 to pin 6 (black/brown wire) is FAST.

Your stalk switch could be bad, but check out the above and report back.
You could have 2 problems if it's not the stalk switch.
The switch is wired directly to the GM.
 

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Discussion Starter · #3 ·
Jim - what do you mean by F1 and F11?? can you elab..

also no i didnt jump motor with 12 volts.. i figured it was bad?? i need to do that i guess...

i only replaced the wiper relay (tan color) do you think its a fuse?



(YOUR 540 IS SICK!!!)
 

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Discussion Starter · #4 ·
Jim - what do you mean by F1 and F11?? can you elab..

also no i didnt jump motor with 12 volts.. i figured it was bad?? i need to do that i guess...

i only replaced the wiper relay (tan color) do you think its a fuse?
 

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17 Posts
Discussion Starter · #5 ·
Jim - what do you mean by F1 and F11?? can you elab..

also no i didnt jump motor with 12 volts.. i figured it was bad?? i need to do that i guess...

i only replaced the wiper relay (tan color) do you think its a fuse?

??? help...
 
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