Hi
Anyone know how to check the cabin temp sensor (on the dash) for a 79300D
what should it read with a ohm meter.
Thanks

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1979 300D.

Usual problem is no airflow over the sensor. Easy test is to put a piece of tissue paper near it and see if there's suction. If there's no suction, check that the aspirator motor is in place (can slip off its fitting) and operational. Clean the accumulated dust off the sensor and in the line to the aspirator motor.

I don't know the resistance spec for the sensor.

Sixto
93 300SD