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Saab Frequently Asked Questions


Seat Heater Testing & Switch Testing

Pin 2 of switch should be battery voltage
Jumping pin 2 to pin 10 will heat seat if element is good
Pin 9 should have continuity to ground
Pin 6 should have continuity to ground if thermostat is good and closed
Pin 7 should have battery voltage for lighting of switch
Switch to determine if passenger seat is occupied (under passenger seat), should have continuity when occupied and not when unoccupied.

Electrical Diagram for seat heater switches

Bulb replacement bulletin from Saab on seat heater switches

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Saab VIN Plate
1.
Spring, front
2.
Spring, rear
3.
Anti-roll bar, front
4.
Anti-roll bar, rear
5.
Spring strut/insert, front
6.
Shock absorber, rear
7.
Brake disc, front.
8.
Brake disc, rear
9.
Brake Housing, Front
10.
Brake Housing, Rear