I have already changed the clutch in my audi and my auxilary fan switch is a single two wire switch that is hooked up to a resistor any other advice i am an electrician do you know of any place i can get the wiring schematics and such ?
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Re: audi auxiliary fan
I have to leave in a few minutes for an out-of-town wake, but I'll photograph the wiring schematic pages in my manual (I have the manual for the B5 A4), and post them online, and I'll provide you a link to the pics. I should be able to do this tomorrow morning, and once it's up, I'll post a reply here with a link to the pics.
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Burned out resistor probable. The fan switch "might be at fault" but is less likely. If you have burned wires, one of the connections to the resistor or motor is bad. The current path from the battery power/heater fan relay ( on the two conductor modern types) is to motor to switch to resistor to ground. Single wire modern types power goes through switch to resistor the motor to ground.
If a Chrysler product, check condition of the connections to the resistor mounted in bottom of heat plenum in most cases. If connector cannot be extracted and 2 dark blue wires appear melted, those blue wires go to ground, and are an indication the connection was faulty. Replace the connector with a dealer repair part and replace the resistor. That resistor also has a thermal fuse.
as long as it is audio out then you cant go wrong. same power from your stereo on you deck you get and will be dividing all the power like sharing each other. parallel connection is the best one . but not much as when you hooked it to an amplifier. auxiliary is different which is another option like adding more components to your car.
REPLACE THERMOSTAT AND RADIATOR PRESSURE CAP.CHECK MECHANICAL COOLING FAN.SHOULD HAVE RESISTANCE WHEN TURN WITH HAND.IF FREEWHEELS FAN CLUTCH NEED TO BE REPLACED.CHECK TO MAKE SURE AUXILIARY ELECTRIC COOLING FAN RUNNING HOT WIRE COOLING FAN IF FAN RUNS.YOU HAVE FAULTY THERMO SWITCH LOCATED AT THE BOTTOM OF RADIATOR ON THE LEFT HAND SIDE ON 4 CYLINDER ENGINE FOR V6 ENGINE THERMO SWITCH LOCATED ON THE LOWER RADIATOR HOSE ON THE RIGHT HAND SIDE OF THE ENGINE COMPARTMENT. CHECK FOR BLOWN COOLANT FAN FUSE OR FAULTY RELAY.IF THE AUXILIARY ELECTRIC FAN DONT RUN WHEN HOT WIRED THE ELECTRIC FAN FAULTY.
SOUND LIKE FAULTY CLUTCH FAN OR THE AUXILIARY ELECTRIC COOLANT FAN NOT RUNNING. CHECK AUXILIARY FAN FUSE AND RELAY. IF LOOK GOOD HOT WIRE TO SEE IF FAN TURNS ON IF NOT FAN FAULTY. IF FAN RUNS YOU HAVE FAULTY THERMO SWITCH. WHICH LOCATED AT THE BOTTOM OF RADIATOR ON THE LEFT HAND SIDE OR ON THE LOWER RADIATOR HOSE ON THE RIGHT HAND SIDE OF THE ENGINE COMPARTMENT.IF FANS OKAY COOLANT LEVEL CORRECT.REPLACE THERMOSTAT.HAVE RADIATOR AND ENGINE FLUSHED.CHECK IN FRONT OF GRILLE MAKE SURE NO DEBRIS BLOCKING OFF AIR FLOW THROUGH RADIATOR CORES AND AC CONDENSOR CORES.
It sounds like you have a bad connection out side under the hook upper left side on the fire wall is the blower motor there are two sets of wires going to this one set is for the motor witch works the other set controls the resistors for the differant fan speeds Try unpluging those wires its the larger of the two connectors and has more wires going to it clean the connections if this dosn;t fix the problem you may need to replace the resistor board in side the house But most of the time its just a pour connection
Check your blower motor fan speed control switch. They go bad frequently. You could have checked the resistor by jumping the wires to the different terminals to be sure the resistor was good. That pretty much just leaves you will the fan speed control switch. Good luck.
I went through the same thing with my 99 suburban. It turned out to be the dash fan control switch. It is purchased seperate from the whole cluster for under twenty dollars. The instrument panel cover comes off gently by hand with the tilt steering in the down position. You have to then unplug the electrical plugs to get it out of the way. The heater ac control panel then comes out by hand far enough to unsrew the heater fan control from the back.
I think there are two fan switches on the 99 but I don't recall for sure. At some point during the B5 chassis run (96-01) they went from two two-wire switches to a single integrated switch. It's possible that you have the two switch design and only changed one of them. Also, your fan clutch could be shot. If you spin the fan, it should spin one revolution or less and then stop. If it spins freely the clutch is shot and needs replacement.