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Date: Fri, 02 Jun 2000 02:53:25 GMT
From: "ask the mastertech" <protechnopsamath.net>
Subject: Re: '86 900 window question


Use a test light to see if you have power and ground to the motor. If so you need to replace the motor. You will find the best prices at www.thesaabsite.com Ask the Mastertech! "wgmoore" <wmoorenopsamcrest.net> wrote in message news:8h19he$mtq$1nopsam.snowcrest.net... > one reall fast way to check the motor is to tapit with a heavy pipe while > running the switch. Of it instantly responds, you have a problem with the > brushes in the motor. any elect repair shop can fit new ones,- Next get hold > of the glass and pull op or down on it while the putton is worked. If the > motor responds- it is a problem with the gear box in the motor drive. > "Keith Grider" <keithnopsamidaytech.com> wrote in message > news:5ZOY4.11889$0T2.215640nopsamoon.columbus.rr.com... > > Brady, > > > > I would first check to see if there is power at the motor before doing > > anything else as of yet. Unplug the motor and check the 3 terminals of the > > cable supplying the motor. All of then will read 0 volts initially. When > the > > switch is pressed to either 'up' or 'down', there will be 12 volts across > 2 > > of the 3 terminals of the cable leading to the motor. In the other > > direction, there will be 12 volts across 2 of the terminals. You could > > easily buy a test light if you do not have a volt meter. If this checks > out, > > check the motor. If not, check further along to see where the wires are > > broken. A likely suspect is the bundle leading to the door from the > > bulkhead. > > > > Keith Grider > > > > "brady wolfe" <btw3snopsaminia.edu> wrote in message > > news:3932B3E7.D8848A7Bnopsaminia.edu... > > > Hi everyone, > > > > > > I was wondering if maybe some of you had any ideas for this problem. I > > > have a 1986 900 SPG and the power window on the passenger door will not > > > work. I had taken apart the door because i needed to fix the handle on > > > the inside (it was broken by the wrecker guys when the car got towed > > > awhile back), and when I put the door panel back on, the window wouldn't > > > work. I checked the window control switch by swapping it with the > > > driver's side, and that works fine. When I push the switch down or up, > > > the motor doesn't make any sounds at all so I assumed there was a > > > connection problem. But when I checked the wires on the motor they > > > seemed fine. I've looked at everything I could think of but can't make > > > any progress and am thinking I have to turn it over to a mechanic. > > > > > > Any ideas or experience with this before? I just can't believe it just > > > stopped working (it was fine as I was fixing the handle), could I have > > > shorted something out? > > > > > > Thanks for any help. > > > Brady Wolfe > > > > > > > > >

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