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1984 911 Carrera Heater blower not blowing

Electrical and Electronic

Vehicle Information: Model: 911 Carrera; Year: 1984; Body Type: Coupe; Engine (type, size, modifications): 3.2; Total Mileage: 166K;

I have a similar question regarding the heaters only in reverse. My heater blowers, (footwell and engine) don't blow at all regardless of switch position. I've only owned the car a few weeks and this system worked when I bought it. I've bought the bently manual and gone through all the fuses and they all seem fine. Could this be the relay in the engine compartment?For the record, the fresh air blower and the AC blower all seem to working just fine. It's just the heater blowers that aren't working.As a sencond part of this, my understanding of the engine blower is that it also provides cooling for engine oil. Since we are coming quickly into summer, I'm very afraid of this causing major damage due to overheating the engine.

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