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Registered
Join Date: Oct 2002
Location: St. Louis region
Posts: 3,147
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Carrera fresh aor blower resostors?
The middle speed on the fresh air blower on my '88 does not work, but I do have the low and high speeds. Are the resistors part of the motor assembly? Looks like that in the Bentley wiring diagram.
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Deceased: Black '88 Carrera Coupe, Steve Wong and Russell Berry chips, Dansk premuffler, custom MK GT3-style muffler, Magnecores. Al Reed 7 & 8 X 16 Fuchs. Full Elephant Racing suspension, 21/28 T-bars, Turbo tierods, bump steer kit, Bilstein Sports, BK strut bar. Ruf bumpers, 935 mirrors, Carrera 3.0 tail, DasSport bar. '11 BMW 328iX, '18 Nissan Frontier 4X4, '92 Acura NSX. |
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05-20-2009, 01:23 PM
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Slumlord
Join Date: May 2001
Location: Canada
Posts: 4,983
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I think they are in the firewall area at the foot of the passenger. Lift the board, there is a plastic box there that pulls out. At least in my '89 there is...
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84 Cab - sold! 89 Cab - not quite done 90C4 - winter beater |
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05-20-2009, 02:08 PM
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Get off my lawn!
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I think the ones in the passenger foot area are for the A/C blower, not the fresh air blower. At least on my 85 it is. I think the resistors are part of the fresh air blower mechanism.
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Glen 49 Year member of the Porsche Club of America 1985 911 Carrera; 2017 Macan 1986 El Camino with Fuel Injected 350 Crate Engine My Motto: I will never be too old to have a happy childhood! |
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05-20-2009, 02:18 PM
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Registered
Join Date: Mar 2004
Location: New Jersey
Posts: 1,861
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it might be a bad contact on the dash switch. You can test the fresh air blower in the trunk by removing the carpet and the cover and then the connector. You need to figure out which of the 4 pins is ground and then apply 12 volts to each of the other three to test each of the speeds.
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Peace, Ron www.ronorlando.net 78SC Targa 3.2 SS, 964 cams, CIS, SSI's,Dansk Own a gun and you can rob a bank , own a bank and you can rob the world. |
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05-20-2009, 02:33 PM
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Registered
Join Date: Oct 2002
Location: St. Louis region
Posts: 3,147
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Thanks guys. Yes, the resistor pack in the evaporator duct are for the evaporator blower, that's for sure. Ron - good idea about checking the contacts at the dash, and verifying that the blower itself works on all 3 speeds. I replaced that motor shortly after I bought the car in '02, and I couldn't remember if the resistors were part of it or not. Given the fact that the fresh air can only be directed to the defroster or the footwell, I don't know why I'm bothering. Weird design - you'd think you could get some fresh air in your face with the OEM setup.
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Deceased: Black '88 Carrera Coupe, Steve Wong and Russell Berry chips, Dansk premuffler, custom MK GT3-style muffler, Magnecores. Al Reed 7 & 8 X 16 Fuchs. Full Elephant Racing suspension, 21/28 T-bars, Turbo tierods, bump steer kit, Bilstein Sports, BK strut bar. Ruf bumpers, 935 mirrors, Carrera 3.0 tail, DasSport bar. '11 BMW 328iX, '18 Nissan Frontier 4X4, '92 Acura NSX. |
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05-20-2009, 02:41 PM
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Carrera
