windshield wipers stop in the up position? - Team Camaro Tech
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post #1 of 14 (permalink) Old Nov 29th, 09, 03:12 PM Thread Starter
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windshield wipers stop in the up position?

I finally got the car together after several years. The wipers work but only stop in the up position vs the down regardless of when I turn them off?
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post #2 of 14 (permalink) Old Nov 29th, 09, 06:01 PM
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Re: windshield wipers stop in the up position?

perhaps you attached the wiper motor to the wiper transmission 180 degrees off.

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post #3 of 14 (permalink) Old Apr 6th, 13, 02:36 PM
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Re: windshield wipers stop in the up position?

Iíve got the same issue, no mechanical parts have been disconnected. I have replaced the main underdash harness as well as the engine and headlamp harness. Before the wiring was a serious hack job and the wipers just stopped where they were when you turned them off. I figured out the wires, got them so I have both high and low speed but when you turn them off, they return to the up position for home. Ideas?

'69 coupe, 350 engine and trans, HEI Dist, headers, posi-track. It's a good 15 footer

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post #4 of 14 (permalink) Old Apr 6th, 13, 08:17 PM
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Re: windshield wipers stop in the up position?

Ummm, maybe this is a stupid question, but did you install the wiper arms with the motor off and parked?
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post #5 of 14 (permalink) Old Apr 6th, 13, 08:42 PM
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Re: windshield wipers stop in the up position?

No, no mechanical parts were removed replaced or worked on. Just new wire harnesses. From what little bit I've been able to figure out from other posts I think it might be internal on the motor or maybe the motor isn't grounded good enough but I don't know how to check.

'69 coupe, 350 engine and trans, HEI Dist, headers, posi-track. It's a good 15 footer

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post #6 of 14 (permalink) Old Apr 7th, 13, 04:47 AM
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Re: windshield wipers stop in the up position?

Brandon, there is a small embossed line on the drivers side of the back of the wiper motor that points to the drivers side when mounted. That is your alignment mark. Validate the motor is in park position, by turning on the motor without the trans, but with the arm, when you turn on the wipers, then shut them off after 1/4 turn, the arm should complete the full circle and park over that line (pointing to the driver side). If the motor just stops when you turn off the wipers not over the mark, then your park circuit is not working, which is most likely grounding issues.

If the parking is working, but just not over the alignment mark, remove the arm, re-install over alignment mark, retest. After the motor consistantly park successfully, install the trans, but not the wipers. put a small peice of tape on the wiper hubs to replicate the wiper arms. run through some tests to make sure the wiper arms follow the correct path. If not you had the trans mounted incorrectly.

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post #7 of 14 (permalink) Old Apr 7th, 13, 06:32 AM
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Re: windshield wipers stop in the up position?

Thanks Kevin. Iirc, before I replaced the messed up wires I only had one speed and they just stopped wherever they were when you turned them off. Now, I figured out the wiring to get hi and low speed but now, when you turn them off, they complete whatever cycle they are in and return to the full upright position. I took a quick look and couldn't see the mark you are referring to, I'll have to go look closer later. I hate to be too dense here but I've never messed with one of these before, when you say to turn on the motor without the trans how do I do that?

Thanks

'69 coupe, 350 engine and trans, HEI Dist, headers, posi-track. It's a good 15 footer

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post #8 of 14 (permalink) Old Apr 7th, 13, 09:09 AM
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Re: windshield wipers stop in the up position?

Okay, here is the back side of the wiper motor. The lines the red arrow is pointing to are horizontal so the blue arrowed line is obviously vertical. A little more detail, when I turn off the wipers they complete the cycle and ďhomeĒ straight up, they donít go all the way to the end of the up cycle, make sense?
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'69 coupe, 350 engine and trans, HEI Dist, headers, posi-track. It's a good 15 footer

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post #9 of 14 (permalink) Old Apr 7th, 13, 02:21 PM
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Re: windshield wipers stop in the up position?

another thing that may help it make sense,if you turn the wipers off a the end of the up-stroke, they don't just move back to the 90 degree vertical position, they move back past that, clear to the bottom (the correct home position) then back up to 90 degree's vertical

'69 coupe, 350 engine and trans, HEI Dist, headers, posi-track. It's a good 15 footer

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post #10 of 14 (permalink) Old Apr 7th, 13, 03:37 PM
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Re: windshield wipers stop in the up position?

Take the arm off (the nut is right there) and move it to the red mark (which is your alignment mark) . The shaft is slotted so in only goes on two ways (the right way and 180 degrees the wrong way)

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post #11 of 14 (permalink) Old Apr 7th, 13, 03:41 PM
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Re: windshield wipers stop in the up position?

Thanks tons Kevin, I was hoping that was it but wanted to make sure before I tried it and messed something up.

'69 coupe, 350 engine and trans, HEI Dist, headers, posi-track. It's a good 15 footer

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post #12 of 14 (permalink) Old Apr 7th, 13, 05:20 PM
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Re: windshield wipers stop in the up position?

I would take the wiper arms off while you are testing this. If the linkage is not put on correctly, the wiper arms may scratch the cowl.

Kevin


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post #13 of 14 (permalink) Old Apr 7th, 13, 05:47 PM
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Re: windshield wipers stop in the up position?

Thanks, good point, I was actually just headed out the door to work on it.

'69 coupe, 350 engine and trans, HEI Dist, headers, posi-track. It's a good 15 footer

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post #14 of 14 (permalink) Old Apr 7th, 13, 06:42 PM
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Re: windshield wipers stop in the up position?

Got it. It run s the right cycle but one of the arms rubs at one point under the cowl so there is an intermittent squeak. I've looked and can see no way, short of removing the cowl, to track it down. I guess I'm lazy, but where this isn't a show room restore, where other things aren't perfect, where I won't be driving it in the rain a lot, I'm really tempted to say to hell with it and just not worry about it.

'69 coupe, 350 engine and trans, HEI Dist, headers, posi-track. It's a good 15 footer

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