The resistor pack has burnt out
remove the glove box cover and you will see a wiring conector going into a black plate with 2 Phillips screws.
remove wiring and screws and remove resistor pack and replace
dealer price around �30
30 mins to change
VERY VERY COMMON PROBLEM
www.freewebs.com/hometek
ANSWER 2
Visit www.rezpax.com for the answer to all questions relating the subject of missing fan speeds.
Purchase replacement ceramic resistors
Download the Removal & Repair Guide
Send them your faulty Heater Resistor Pack for repair
All saving you many many £££'s
www.rezpax.com
Where is heater control switch
It will not respond to all speeds... It will not change from high to low... It does nothing at all... It loose or smells burnt...
fan speed control switch is bad. Replace it as long as the other speeds work fine.
Remove the heater control switch decorative cover. Remove the retaining screws. Remove the wiring harness. Reverse the process to install the new switch.
The 1992 Acura heater control relay switch can be found beneath the passenger side dashboard. The heater control relay switch will be a few inches above the kick plate.
It could be the high speed heater motor relay is stuck on or the switch itself is broken.
The remote control sends a radio signal to the base unit, and the base unit interprets the signal to switch the connected appliance on or off. Some remote control can operate multiple switches from a distance.
It adjusts the heat in the car so you can control your AC and heat to the temperature you like.
blower resistor especially if its chrysler/jeep or blower switch
hi
Could be low on freon,
the thermostat used to control the heater and after we select the four pole switch to some number the thermostat start connect the power to the heater at the same time the heater start to heat and when we select the switch to zero position the heater not work