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Registered
Join Date: Nov 2003
Location: Marietta, GA (Atlanta)
Posts: 873
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This diagram might help. The red line is a correction to the original diagram that has circulated for years.
You will have to open up the unit to examine & test the relay for the footwell blowers since it operates with engine blower current flow thru the reed switch. There is no way to operate it externally without the engine blower connected and running.
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'88 Carrera Cab 3.2 Diamond Blue Metallic - ERP Polybronze Bushings, ERP Monoballs, SW Chip, Bilstein Sports, 930S Steering Wheel, DAS Rollbar, Sparco 5pt Harness, Hunsaker Sport Seats, Dansk Pre-Muffler, MK 1in-1out Exhaust, Magnecor KV8.5 Wires
'86 944NA, Sunroof Delete, Track Rat, Full Cage
'72 914 1.7 Guards Red / '02 Audi S4 Light Silver Metallic
Last edited by aj88cab; 02-02-2022 at 12:47 PM..
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