Question about 1993 Saab 900

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My window switch has gone bad. how do i jump it to make windows go up and down?

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The switch block can be pried out of the console with a screwdriver applied to the rear end of the block. Individual switches are not replaceable; the block is replaced as a whole. The lines connect to the block in a connector plug. Jumping them in a convertible is easier than in the other cars, as there is no lockout for the rear windows in the centre console switch. Your best option is to bite the bullet and replace the switch block either from an on-line source such as eEuroparts for about $200 US, or a wrecker.

Lines 18 & 19 are for the left front window,
lines 6 & 7 are for the right front window,
lines 13 & 14 are for the left rear,
lines1 & 2 are for the right rear, and
line 9 is the lock-out for the rear windows; I believe positive voltage applied constantly to this line locks out the rear windows, so leaving it un-powered won't hurt.

Polarity determines whether the window goes up or down; a trial and error situation. Use this info to get them up, then replace the switch block!

Posted on Mar 01, 2010

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LF=Dark Blue, RF=Light Blue, LR=Dark Green, RR=Light Green this is for window up. just jump these to a positive feed located next to it.

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