Date: Tue, 22 Jun 2004 23:32:44 +0100
From: Grunff <>
Subject: Re: Anyone seen brother Grunff lately?

Paul Halliday wrote: > What I found was that the two wires switch polarity depending upon the > direction of the switch near the handbrake. That would appear to be a relay > that does that. Why a relay? I've yet to see a 900 which uses relays. The later ones which have 'one touch' down have a relay built into the switch pack. But no separate relays. > Going back to basics, if I spike the other wire and connect > that to ground I can get the window to move in one direction. That would > suggest a bad ground - either at the relay or the switch itself. The relay > is a little too complicated to my simple understanding ... And I went > through a few fuses testing some theories about the ground at that point. Ok, so far so good, you diagnosis is spot on. > According to the wiring diagram, there are three grounds. One must be > permanent and the other two depending on the polarity, presumably. So, it > must be the switch that is switching polarity, rather than the relay. I must > say, since I've got the window up I've not looked at it again. I'll do some > tests on the switch - I had hoped it was an easy "oh yeah, just re-do the > ground here" kind of thing ... Grrr! As you say, I'm not keen to start > pulling the car apart without asking a few people first :) I reckon the incoming ground on the switch is bad. Have you tries swapping the switches? > It's called Akvavit :) Sweden drew tonight with Denmark, so I celebrated > with both nations' national drink :) This one is Danish, but I'm about to > hit the Swedish variety in a minute ... Mmm! Roll on 1AM so I can watch the > game! lol > Thanks for your reply - much appreciated (as always). Anytime Paul. -- Grunff

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