at my wits end with windshield wipers - Team Camaro Tech
Electrical & Wiring Troubleshooting electrical.

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post #1 of 13 (permalink) Old Sep 12th, 18, 05:00 AM Thread Starter
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at my wits end with windshield wipers

ok, so i failed State inspection due to wiper arms not parking at bottom of windshield. have been reading and studying to try to self diagnose. here's where i am; replaced wiper motor, replaced wiper switch, traced, checked and confirmed all wiring is correct. still having same issue. wiper arms stop at top of windshield now when i turn switch off. used to be in the middle with old wiper motor. i have full function of low & hi speed. like i said, I've been doing a lot of reading and i figured the motor wasn't getting a good ground contact from the mounting bolt. i actually made a ground wire going from the firewall to the bottom left mounting bolt where the motor has the ground strap. no difference with ground wire on or off. i realize that the switch creates its ground from the dash panel itself. i have the switch in as tight as it's going to get making solid contact. I'm mechanically inclined and have assembled entire cars but i will be the first to admit that i have a weakness when it comes to electrical systems. my abilities end after installation. i can handle wiring and installing parts and fixing the mechanics of it all but when it comes to troubleshooting, diagnosing and breaking down basic electrical theory, I'm out. i'd hate to have to pay someone to figure out whats going on with my wipers. any suggestions?
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post #2 of 13 (permalink) Old Sep 12th, 18, 05:10 AM
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Re: at my wits end with windshield wipers

Is the arm on the wiper motor clocked wrong? It should point to the drivers side when parked. Bad things happen when it is pointing to the passenger side. DAMHIKT....

Don
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Last edited by dhutton; Sep 12th, 18 at 06:10 AM.
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post #3 of 13 (permalink) Old Sep 12th, 18, 05:35 AM Thread Starter
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Re: at my wits end with windshield wipers

I'll have to pull it off......again... originally i had the tab that mounts to the stud on the motor 180* out and the wipers wanted to clean my new cowl and hood paint. had to remedy that quick by flipping the tab around. so now when i take the motor off should i manually put the wipers in the park position and then install the motor to the linkage? how do i know the motor arm is in the right spot and wont send the wipers to guam?
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post #4 of 13 (permalink) Old Sep 12th, 18, 05:46 AM
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Re: at my wits end with windshield wipers

Disconnect wiper arms. Turn motor on and then shut off with wiper switch. Now re-connect wipers arms in the parked position. Let the motor show you where the parked position is rather than guessing or trying various positions.

Paul
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post #5 of 13 (permalink) Old Sep 12th, 18, 06:05 AM
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Re: at my wits end with windshield wipers

Quote:
Originally Posted by bhodgdon400 View Post
I'll have to pull it off......again... originally i had the tab that mounts to the stud on the motor 180* out and the wipers wanted to clean my new cowl and hood paint. had to remedy that quick by flipping the tab around. so now when i take the motor off should i manually put the wipers in the park position and then install the motor to the linkage? how do i know the motor arm is in the right spot and wont send the wipers to guam?
Remove the wiper blades and arms. Put the motor in the Park position. Install the motor arm so that it is pointing to the driver side. Cycle and park the motor. Reinstall the blades and arms.

Don

1969 Camaro LSA 6L90E AME subframe and IRS
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post #6 of 13 (permalink) Old Sep 12th, 18, 06:07 AM
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Re: at my wits end with windshield wipers

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Originally Posted by fsc66 View Post
Disconnect wiper arms. Turn motor on and then shut off with wiper switch. Now re-connect wipers arms in the parked position. Let the motor show you where the parked position is rather than guessing or trying various positions.

Paul
What you are saying will not correct a wiper motor arm that is installed 180 degrees off if I am following you correctly.

Don

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post #7 of 13 (permalink) Old Sep 12th, 18, 06:20 AM
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Re: at my wits end with windshield wipers

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Originally Posted by dhutton View Post
Remove the wiper blades and arms. Put the motor in the Park position. Install the motor arm so that it is pointing to the driver side. Cycle and park the motor. Reinstall the blades and arms.

Don
X2

Check the wiper motor for correct orientation and operation before installing the wiper blades.

I put about a 3" piece of blue tape on the wiper stud and cycle it a few times to make sure before attaching the arms.
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post #8 of 13 (permalink) Old Sep 12th, 18, 11:06 AM Thread Starter
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Re: at my wits end with windshield wipers

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What you are saying will not correct a wiper motor arm that is installed 180 degrees off if I am following you correctly.

Don
already remedied the 180* out problem. now the wipers are wiping the windshield just not parking in the right location. first time around i put the metal arm that bolts directly to the back of the motor post 180* off and it had the wipers trying to wipe the hood. good thing i was smart enough to test run them with some duct tape in place of the arms to see where they were going. this could have been a whole different post otherwise....lol...fresh paint
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post #9 of 13 (permalink) Old Sep 12th, 18, 11:11 AM Thread Starter
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Re: at my wits end with windshield wipers

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Originally Posted by Vega$69 View Post
X2

Check the wiper motor for correct orientation and operation before installing the wiper blades.

I put about a 3" piece of blue tape on the wiper stud and cycle it a few times to make sure before attaching the arms.
did that the first time around. thats how i discovered the tab from the stud was 180* off. going to play with it when i get home and pull arms, cycle motor and turn it off, remove the motor, manually move the linkage to the bottom of the windshield, re-install the motor with the arms at the bottom of windshield and cross my finders, say three hail mary's, do a rain dance and pray for success. i've been fighting this battle since May, got sidetracked in between by some body damage and a new paint job. now i feel like i'm back to square one just trying to get the car tagged so i can drive it..........legally....
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post #10 of 13 (permalink) Old Sep 12th, 18, 01:48 PM
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Re: at my wits end with windshield wipers

Quote:
Originally Posted by bhodgdon400 View Post
already remedied the 180* out problem. now the wipers are wiping the windshield just not parking in the right location. first time around i put the metal arm that bolts directly to the back of the motor post 180* off and it had the wipers trying to wipe the hood. good thing i was smart enough to test run them with some duct tape in place of the arms to see where they were going. this could have been a whole different post otherwise....lol...fresh paint
What is the orientation of the arm attached to the motor? If it is not pointed to the drivers side when the motor is parked you are wasting your time in my experience....

Don

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post #11 of 13 (permalink) Old Sep 15th, 18, 08:29 AM
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Re: at my wits end with windshield wipers

IIRC there are two nuts that hold the linkage arm onto the ball stud. There is a little adjustment there that might get you lower on the windshield assuming everything else is in it's proper place and shape

Jeff
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post #12 of 13 (permalink) Old Sep 15th, 18, 10:39 AM
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Re: at my wits end with windshield wipers

Quote:
do a rain dance
Dude, you neighbors to the south are NOT going to be happy with that.
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post #13 of 13 (permalink) Old Sep 16th, 18, 05:45 PM
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Quote:
Originally Posted by yellow69RS View Post
IIRC there are two nuts that hold the linkage arm onto the ball stud. There is a little adjustment there that might get you lower on the windshield assuming everything else is in it's proper place and shape

Jeff

The arm that comes off the motor may not be original or to correct length. Mine was shortened by the original owner so he could flip motor over to clear tall valve covers. This definitely affected the range of motion.
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