North American Turbocoupe Organization



Erratic Windsheild Wiper Problem
lonstar7 Offline
Posting Freak
#1
We had a very nice day here today so I dusted off the TC and took it out for a drive. One time when I turned in the ignition the wipers moved from the park position to a point which is normally the lower part of the arc they sweep out when on and stayed there even though the switch was in the off position the whole time. This has happened a few times over the 2+ years I've had the car and those times turning the wipers on then off reset everything. Today, I could not get the wipers to go back to the park position, the wipers stop and stay wherever they happen to be when you turn the switch off. I did a forum search and didn't find much related to this problem, I suspect the switch may be going bad or a relay may be sticking.
It's dark here now but I'm going the tear into it Tomorrow, any suggestions on where to start checking?
Lonestar7

1988 Black/Red TC, 5 Speed, 92,400miles (on 4/14/2012). KYB Shocks And Struts, 140MPH Speedo, CHE Rear Control Arms, Otherwise Stock.

2005 Volkswagon Golf GLS 1.9L TDI Turbo Diesel, 5 Speed Manual, InMotion Stage II Chip Tuning

1998 Dodge Ram 2500 4X4, 5.9L Cummings Turbo Diesel, 5 Speed Manual

1988 Firebird Formula 350, 350ci Tuned Port Injection, 700R4 Auto
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Dan S Offline
Administrator
#2
Try reading this thread. Very interesting.

http://natomessageboard.com/ultimatebb.p...924#000000
Dan S
Custom 88 TC, Mandarin Copper Pearl Metallic
http://natomessageboard.com/ubbthreads.p...5#comments
1972 Ford F-100 SWB Styleside
2015 Lincoln MKC 2.3 EcoBoost AWD
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lonstar7 Offline
Posting Freak
#3
Thanks Dan, I read the thread and also read Pete's post. This afternoon I took the steering column shroud off and checked a few things. The ignition switch has recently been replaced, contacts/connectors looked clean, no sign of overheating. I have a spear wiper switch assembly so I tried it, same thing, wipers stop and stay where they are when you turn off the switch. Then I cleaned the wiper motor assembly ground contacts and checked the ground with a VOM, it's good, still has the same problem. I grabbed the wiring harness connector to the motor assembly jiggled it around with the ignition on and the wipers went back to park. I pulled the connector out and looked at the contacts, all looked clean, no corrosion. Then I reconnected it and turned the wipers on and off again, no park. Just for the hell of it, I tapped on the connector housing with a screwdriver handle, wipers went to park. I did the several more times, and every time tapping on the motor assembly housing just behind the harness connector activated the parking sequence. I'm assuming this means it's time for a replacement motor assembly. Can you still get new one or is it time for a visit to ebay or the junk yard?
Lonestar7

1988 Black/Red TC, 5 Speed, 92,400miles (on 4/14/2012). KYB Shocks And Struts, 140MPH Speedo, CHE Rear Control Arms, Otherwise Stock.

2005 Volkswagon Golf GLS 1.9L TDI Turbo Diesel, 5 Speed Manual, InMotion Stage II Chip Tuning

1998 Dodge Ram 2500 4X4, 5.9L Cummings Turbo Diesel, 5 Speed Manual

1988 Firebird Formula 350, 350ci Tuned Port Injection, 700R4 Auto
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lonstar7 Offline
Posting Freak
#4
I just found the answer to my question. looks like rebuilt motor units are available at Autozone for $53.99 + $5 core.

http://www.autozone.com/autozone/parts/C...uestid=974
Lonestar7

1988 Black/Red TC, 5 Speed, 92,400miles (on 4/14/2012). KYB Shocks And Struts, 140MPH Speedo, CHE Rear Control Arms, Otherwise Stock.

2005 Volkswagon Golf GLS 1.9L TDI Turbo Diesel, 5 Speed Manual, InMotion Stage II Chip Tuning

1998 Dodge Ram 2500 4X4, 5.9L Cummings Turbo Diesel, 5 Speed Manual

1988 Firebird Formula 350, 350ci Tuned Port Injection, 700R4 Auto
Reply

lonstar7 Offline
Posting Freak
#5
I installed the reman wiper motor unit I got from AutoZone today and it solved the problem. Here's a tip if anyone needs to do this. If the wipers work at all, turn them on and let them get to them sweep all the way to the left and turn the ignition off when start to return. This will get the coupling between the motor unit and wiper mechanism as close to the access hole as possible.
Lonestar7

1988 Black/Red TC, 5 Speed, 92,400miles (on 4/14/2012). KYB Shocks And Struts, 140MPH Speedo, CHE Rear Control Arms, Otherwise Stock.

2005 Volkswagon Golf GLS 1.9L TDI Turbo Diesel, 5 Speed Manual, InMotion Stage II Chip Tuning

1998 Dodge Ram 2500 4X4, 5.9L Cummings Turbo Diesel, 5 Speed Manual

1988 Firebird Formula 350, 350ci Tuned Port Injection, 700R4 Auto
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