check the relays.If it doesnt blow air at all then check the blower relay or fuse
Try checking your fuses.
The heater would not be working on a 1990 Dodge Grand Caravan if the heater core is damaged or blocked. Hot coolant from the engine must flow through the core to allow hot air to pass into the cabin.
put cooling system flush in the radiator and follow the directions but make sure the heater is on while you do it.it will clean both your cooling and heating systems.
Check the fuses first!
Radio in 1990 Lexus LS400 stopped working, possible answer?
A 1990 Ford Thunderbird Super Coupe weighs approximately 3,600 pounds.
If the headlights are not working correctly on a 1990 Corvette, the fuses or lights could be going out. Replace the old fuses and check that all wires connected to the lights are functioning correctly.
Check to see if you are getting power to blower motor--if so, bad blower motor If no power- perhaps bad resistor pack at blower motor Bad switch?
check your fuses
This answer is for a 1990 ford thunderbird 3.8 NA it is locate on the left hand side of thet transmission This answer is for a 1990 ford thunderbird 3.8 NA it is locate on the left hand side of thet transmission This answer is for a 1990 ford thunderbird 3.8 NA it is locate on the left hand side of thet transmission
Check fuses. If fust blows repeatedly, check for short.
The 1990 Ford Thunderbird was developed on Ford's Mid-Size North American Project 12 platform. This Thunderbird featured a more aerodynamic body that was shorter in overall length in comparison to the earlier Thunderbird, but with a longer wheelbase.