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1988 944 Turbo S Fresh air fan resistors

Heating and Ventilation

Vehicle Information: Model(924/944/968): 944T S; Year: 1988; Body Type: Coupe; Total Mileage: 157,012;

I'm troubleshooting why I'm not getting any air movement from my fresh air blower at positions 0 & 1. (2,3,4 are fine) The fan speed selector switch is good, I ohm'ed it out. I also ohm'ed the connector for this switch and found that the third ballast resistor is at fault, (too high).Page 5 of the factory manual 1988 944T "Heating, A/C, Vent" shows the resistor pack at J21 area on the sheet, but where are they on the car? If I change this resistor I think I'll be back in business.

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