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There should be a small white sticker in the glove box with a 4 digit code and another series of numbers. This should be your universal entertainment unlock code.
very unusual location. usually inside the car in the plenum case by passenger floor, but here it is:
Blower Motor Switch Resistor
The heater blower motor switch resistor has the following features:
The assembly is located in the engine compartment on the evaporator housing toward the center of the vehicle.
Three resistor elements are mounted on the resistor board to provide four blower motor speeds.
Depending on the heater blower motor switch position, series resistance is added or bypassed in the A/C blower motor circuit to decrease or increase A/C blower motor speed.
A device to prevent overheating (thermal limiter) will open the resistor coil when the temperature reaches 121°C (250°F) interrupting the blower motor operation in all speeds except HI.
The thermal limiter cannot be reset and is not serviceable.
Yup, if you scanned your engine computer and you got a code P0705, you can bet that's why your Check Engine light is on.
P0705, however, is NOT a Vehicle Speed Sensor code on this vehicle. It is a Digital Transmission Range Sensor code. It is caused by an open or shorted circuit in the TR-1, TR-2, TR-3a or TR-4 circuits. This code CANNOT be set by an incorrectly adjusted TR Sensor.
You have to ask the dealer to look up your code for you. Then you have to leave the key in the first position (do not start car) and leave it for 1.5 hours. Then come back and radio will accept your 4-digit code.
you have what we called resistor block. it is a series of resistor to bring down the voltage of the blower to decrease its speed.
if one resistor is broke, then it would only work on high. they are normally located in the blower housing. it has four of five wires depending on how many speed you got.
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