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Fuuuu. Guess I'll just buy an OEM switch. Looks like the part has been updated. |
Griff's variable fan speed controller has been working well for me for the last five years.
Griffiths supplies a range of air conditioning components for your Porsche 911,911s,911t,911 turbo, and 930, such as: Porsche air conditioning upgrades, Porsche air conditioning improvements and updates: Porsche barrier hoses and hose sets, Porsche c It costs much more than $20. It is plug and play. It works, and works, and works, and works, and works, and works, and works...well, you get the picture. |
https://lh5.googleusercontent.com/-S...o/IMAG0111.jpg
FWIW, it's in with a reasonable amount of fuss. A PO had a large blue switch between the knobs that didn't do anything, but judging by a wire tap back there at one point it was to switch the AC circuit off and on. Seemed like a good idea, so I got a fresh switch and did the same. Now I can run the dash vents without AC at all if I choose. If the PWM holds up, I'll adapt the OE knob so that it'll look close to factory. I ran it for about an hour yesterday, the PWM barely got warm. I have high hopes. Also of note: My fan at full blast was drawing only about 10A, the AC circuit alone was drawing about 4A. Not bad for $25. |
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tl;dr Basically it might reach 7A for the first split second then level off to 3.7A. |
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I'm hoping for confirmation of the expected run current, and comparison with other blower motors run current, to see if it is worth replacing it. Thanks. |
I think the running current of the blower motor on mine was less than 5 amps, but I agree with Driven97 - the current of a starting motor can be 2 to 3 times the running current. I also used foam to seal around the front condenser to body, which would put more load on the motor.
Mike |
Front condenser blower motor current.
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