0
Do you have a bad switch if heater goes on and off all the time and fan only works on hi?
Wiki User
∙ 13y ago
You most likely have a problem with your blower RESISTOR PACK or rheostat. This is what controls the high, med and low speeds on your heater.
Where it is and how to change it depends on your vehicle.
Wiki User
∙ 13y ago
Add your answer:
Earn +20 pts
2001 dodge 1500 ac and heater flow regulator switch does not work. works only on defrost?
2001 dodge ram 1500 ac and heater flow regulator switch does not work. works only on defrost. How to fix?
2003 jeep wrangler heater fan switch works on high only?
Replace the blower motor resistor.
How do you fix a Mercedes C180 heater fan that only works intermittently?
it is usally a dry connection on the fan speed switch
Your heater fan only works on your 1997 tiburon sometimes any ideas?
it is either a bad switch on your controls, or your blower motor is going out
1991 cevy s-10 pickupblower switch only works on 4th position?
The heater blower motor speed resister is burned out.
99 ols silhouette heater switch only works in position 4 and 5 Is the switch bad or something else?
On most makes of cars this problem is fixed by replacing a blower motor resister and not the switch.
1992 Chevy suburban heater switch only works on high speed?
There is a resistor/ circuit board near the heater motor that need to be replaced. You can get one from almost any auto parts store.
Heater only works on high or low?
cheack the reisat switch for burns its atacched to the blower houseing under the dash or on fire wall under the hood
My dodge heater blower control only works on low what might be the problem?
Dodges are good for blowing fuses. If that is not it, the fan switch might need replaced.
92 Corolla AC and heater blower fan switch only works in No 2 and Hi positions Lo and No 3 positions do not work Anyone know the fix oir whats wrong?
Get a new switch.
How come my heater on my Ford Fiesta 1998 only works on number 4?
how is it my heater control on my ford fiesta flight 1998 only works on no. 4
Heater motor only works on high speed in 2001 ford ranger?
Normally when a heater blower motor only works on the High setting, it is caused by a defective Blower Motor Resistor Pack. The fix is to, Replace it. In very rare instances it can also be a defective blower motor speed control switch, but rarely.
