A/C And heater doesnt work

Replaced blower motor, blower motor resistor and wiring pigtail. A/C light does not come on and no air blowing out on any fan speed. help!!!

 

Check your fuses.

 

You might want to check the climate control panel at this point.

 

https://www.tacomaworld.com/threads/a-c-and-heater-stopped-working.497908

 

@Naveronski checked the fuses and theyre all good.

@MrCrowntown i looked at the climate control panel and the tab and harness is burnt a little.

Thanks for the advice!

 

Do you have power at the blower motor?

 

@Bebop nope

 

Do you have power for the signal wire at the control head to turn on the blower motor. You may want to get a wiring diagram.

 

There should always be power ( 12 VDC ) at the blower motor even when it is not running. The speed control and switching is done on the ground side of the circuit.

Battery >> 50 Amp Heater Fuse >> Heater Relay Contact >> Blower Motor >> Blower Motor Resistor >> AC Controls >> Ground.

10 Ampere IG1 NO2 Fuse Goes to the Heater Relay Coil. If you do not have power to the blower motor that would be a good place to check.

It is in the fuse box to the left of the steering wheel under the dash.