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KoenigsTiger's Avatar
 
Join Date: Feb 2008
Location: Alberta, Canada
Posts: 455
Unhappy '82 911 Power Window Odd E Gremlin

Hey Everyone!!!

Ok, straight to businesses, I am sure you've heard enough electrical stories.

It's a '82 911SC Coupe

This is where I am a bit lost:

Both windows work fine from the drivers side switches.

The passenger window does not go up with the passenger switch. But does go down.

Tried the working switch from the drivers side, same outcome.

Tried every other relay in the power windows spot, its the third one is counting from the rear of the car right? All the relays are the same(black round ones) except the red one obviously?

The funny thing is that, the PO had a 8 AMP fuse in, it would work with driver's switches, but would blow right of way when pass side switched was used to wind the glass down. I used a 16 AMP fuse that blew too. Last I think I had a 20 AMP or something it would not blow right of way, only if you hold the switch down for a few seconds. Its supposed to be a 25 AMP fuse correct?

Is there a handy diagram off all the proper ratings for fuses. So I wont have to go through all the wiring diagrams?

Of course I could just forget all of this, because it is just the passenger side switch. Instruct the passenger not to touch that switch and keep a few fuses in the car. But I do want to fix it...

Thank you very much guys!!!

Old 07-08-2009, 05:06 PM
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Join Date: Nov 2002
Location: Va. Beach, VA.
Posts: 622
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If you have a Bentley manual it shows the fuse locations and Amps for each..but since you are asking I will assume you do not have one..If that is the case get one quick best book I bought for chasing out stuff..

That being said the fuse for the Power windows is the one closest to the firewall/dash in your fuse block and should be a 25 amp version according to my Bentley manual. You probably know the location as it should have been the one blowing and you have been replacing.

I am at Fire Station tonight but should be able to put send you a pic of window wiring tomorrow when I get home. Let me know if you need it.

But in the mean time the pass window switch has 5 connections according to wiring diagram.

1 Black wire - goes to window motor
2 Green wire - goes to window motor
3 Red/ White wire - comes from drivers side window switch for pass side
4 Brown wire -ground point
5 Red/ Black wire - comes from drivers side window switch for pass side

Hope this helps
Gregg
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1983 911 SC Cabriolet, 1989 944 S2
1969 Chevelle SS396 w/427 Vette motor, 1970 Buick GS455
2000 BMW 528i Touring, 2005 GMC Sierra
Old 07-08-2009, 05:22 PM
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Yeah, I don't have a Bentley. All I have is a Haynes.

Yeah I know that one should 25 AMP and its in the last position #21, first being the closest to the front of the 911. I don't think I've actually had a 25 AMP fuse in... I guess I should have. But with a 8 AMP fuse everything worked except the dreaded up on the pass side.

I think I have the wires up correctly, would it make a big difference if it works with the driver side, and rolls down? I will double check, and do some trial and error .

Thank you Gregg!!!

Last edited by KoenigsTiger; 07-08-2009 at 05:51 PM..
Old 07-08-2009, 05:32 PM
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Fixed it!

All it was that the wiring on the pass side switch was wrong. I figured that the PO took the time to mark the wires with colored Ti-Raps would have done so correctly. I was wrong, I looked off the drivers switch and by a little trial and error it worked wired it correctly.

Thanks Gregg!!!

Old 07-13-2009, 07:50 PM
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