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7thing3
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Joined: April 05, 2003
Posts: 473
Location: Cleveland, OH
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 Posted: Fri Dec 11, 2009 10:57 pm Post subject: Power Mirror Motor on 87 Syncro |
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'87 Syncro
Is there any way to repair the power mirror motor? I took off the glass and took the actual mechanism off the mirror housing. When I hook ground to brown and put positive to the 2 of the other wires nothing happens. When I put positive to the 3rd of the wires it makes a noise but doesn't move. Seems like it is seized. I sprayed with WD-40 but no help. I can manually move the mechanism in any direction without any problem. Teeth on the motor gears and so forth look good. I thought about putting a 18 or 24 volt battery to it to try to free it up but not sure if that will fry it. It basically looks like an oversized slot car motor.
Are replacements for just the motor assembly available?
I think I now know why somebody cut all the wires in prep for a paint job rather than taking the time to disconnect.
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7thing3
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Location: Cleveland, OH
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Howesight
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Joined: July 02, 2008
Posts: 3409
Location: Vancouver, B.C.
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| Posted: Fri Dec 11, 2009 11:49 pm Post subject: |
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Hi 7Thing3:
The mirror motor needs current to both the electric clutch and to the motor to do its work. Another observation: It looks identical to the mirror motor used on the many thousands of Audi 5000's Audi 100's Audi A4's etc. Unlike VW, all the Audi models had power mirrors, so a wrecker/dismantler will have lots of them. The harness may not be identical, but the rest would likely be identical.
Good luck! |
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porker buzz
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Joined: March 28, 2009
Posts: 113
Location: uk
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| Posted: Sat Dec 12, 2009 4:42 am Post subject: |
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| ford granada, s have the same motor |
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7thing3
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Joined: April 05, 2003
Posts: 473
Location: Cleveland, OH
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| Posted: Sat Dec 12, 2009 6:46 am Post subject: |
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Thanks, I'll do some more troubleshooting then head to the boneyard if needed.
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'73 Thing--Ted
'77 Super Beetle Convertible
'87 Vanagon GL Syncro
'84 Mercedes 280 CE |
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FNGRUVN
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Joined: October 27, 2007
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Location: Fort Collins, CO
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| Posted: Sat Dec 12, 2009 7:24 am Post subject: |
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This is just a thought, but did you check to make sure the wires aren't broken where they enter the front of the door. I had the same problem. I could hear a "click" but the mirror wouldn't move. I found broken wires at both doors. This was the passenger side mirror, btw. The drivers mirror worked fine. I read where this is a common problem.
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7thing3
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Location: Cleveland, OH
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| Posted: Sat Dec 12, 2009 7:52 am Post subject: |
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I'm way beyond that. The wires were cut and the mirror removed somewhere before I got it. I did try to hook up the 5 wires and only got clicking. Then I removed the "guts" of the mechanism and am just hot wiring direct from a spare battery.
Does anyone have a diagram of what each color does?
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'73 Thing--Ted
'77 Super Beetle Convertible
'87 Vanagon GL Syncro
'84 Mercedes 280 CE |
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Dogpilot
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Joined: October 03, 2005
Posts: 4205
Location: Flagstaff, AZ
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| Posted: Sat Dec 12, 2009 10:54 am Post subject: |
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Go to my public folder and download:
Vanagon Wiring Diagram.pdf
Page 9 has the power window wiring diagram
http://homepage.mac.com/WebObjects/FileSharing.woa...mp;lang=en
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Geology with a Syncro rocks!
86 Syncro Westy AKA "The Bughunter"
98 Disco I
08 Range Rover SC
08 VW Rabbit S
1951 O-1G |
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7thing3
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Posts: 473
Location: Cleveland, OH
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| Posted: Sat Dec 12, 2009 7:44 pm Post subject: |
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I was able to get the mirrors moving in all 4 directions on the bench with different wire combinations. Could be the switch, can't get eiher mirror to do more than click so that would lead me to believe it's a switch issue.
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'77 Super Beetle Convertible
'87 Vanagon GL Syncro
'84 Mercedes 280 CE |
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syncrodoka
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Joined: December 27, 2005
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Location: Santa Cruz, CA
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| Posted: Sat Dec 12, 2009 8:04 pm Post subject: |
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| Could be broken wires in the rubber accordian thing in the door jam- super common. Do a continuity test to check that the wires are still in one piece. |
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dobryan
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goffoz
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| Posted: Sat Dec 12, 2009 9:49 pm Post subject: |
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| 7thing3 wrote: |
This is the part I am talking about. Looks like they do offer a replacement--$$$$:
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Also found on most MBZ 80to 90 models particularly the 300 series.
lots of "Cash4Clunkers" on these . |
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7thing3
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Posts: 473
Location: Cleveland, OH
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| Posted: Sat Dec 12, 2009 10:24 pm Post subject: |
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| dobryan wrote: |
| How often do you actually use the power motor feature? I have power mirrors but both motors are not functional. That doesn't bother me a bit as I can just manually adjust them. They click when you push on the glass to the same range as the motor would allow. |
When I bought the Syncro the mirrors were off and the wires were cut so it was staring me in the face. Although I have a million and one more important tasks I am now chasing my tail on this one. The best part is it will most likely cost me the price of a roll of electrical tape and a few connectors!
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'73 Thing--Ted
'77 Super Beetle Convertible
'87 Vanagon GL Syncro
'84 Mercedes 280 CE
Last edited by 7thing3 on Sun Dec 13, 2009 7:46 am; edited 1 time in total |
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dobryan
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7thing3
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Location: Cleveland, OH
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| Posted: Tue Dec 22, 2009 2:35 pm Post subject: |
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OK, so about 4 hours later and about 16 splices of wire that was cut either by the door or the PO I now have functioning mirrors. Oh, and the range sucks and I even cut off the stop tabs.
Might have to grab some of Pawel's LT mirrors:
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'77 Super Beetle Convertible
'87 Vanagon GL Syncro
'84 Mercedes 280 CE |
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