Turnsignals and blower on heat stopped working at

The blower could be bad itself. If fuse is good, resistor(controls fan speed) is good then more than likely it is the blower.

Check fuse, if fuse ok, is there electric current to blower motor ? If yes current to motor ok and still no air flow in vents , fan motor replacement !

well here's your fix next to the blower motor is the resister that controls the different fan speeds the resister burns out but before getting the new resister unplug the resister as the connectors over heat and at time also need replacement

The large fuse you checked is for the rear fan blower motor. The fuse you need to check is for the fan motor relays and rear mode control motor. It is fuse No. 3 (7.5A) located in the driver's under dash kick panel fuse box.

If fuse No. 3 is blown and you replace the fuse and it blows immediately, you'll have to check the five relays and the mode control motor all located near the rear A/C unit in the right aft sidewall. Most likely, the mode control doors have become jammed and that is why the fuse blows. The doors shift air from overhead vents (cool) to floor vents (heat).

If the fuse is fine, the trouble is probably with the blower motor itself or the wiring to the blower motor is broken, or there is a bad ground.

Replace the blower motor resistor assembly. To locate the electrical connector for the blower motor resister, it is usually attached to a heating or air conditioning Duct, or the blower motor case. You can also trace the Purple Wire from the blower motor back to the resister. Also make sure that the blower fan is not jamed up with somthing in side and will spin freely,or binding same thing, this will also cause the fuse to blow right away. And does the motor actually spin a bit before it blows the fuse or does it blow the fuse at the same time the switch is turned on? Good Luck and have a good XMASS.

Hi!!
It could be the Blower Motor Fuse or Relay and they should be located in the cabin Fuse Box, if both are OK, it could be the blower motor resistor, located on the blower motor housing, it is the part where the electrical connector goes into and it's got a pigtail connector that goes to the blower motor, it is attached to the blower housing by three screws. Here are some pictures for better identification.
FRONT VIEW
CONNECTOR FROM RESISTOR TO BLOWER MOTOR
SIDE VIEW

To test it, make sure the electrical connector has voltage when the FAN is on, if voltage is present, it means relay and fuse are OK, plug the connector into the resistor and check voltage on the pigtail connector, if voltage is present, the resistor is OK, voltage varies according to the speed selected. To check the blower motor, apply 12 volts and ground the the motor terminals, it should kick in in Hi speed, if not Replace Blower Motor.
A HELPFUL - 4 THUMBS - rating for this solution would be greatly appreciated. Thank you for using FixYa.

replace the blower motor

Check the blower motor speed control resistor pack is ok.
(The resistor pack is usually located in the blower fan ducting in the air flow).
Check condition of electrical connection terminals on the blower motor circuit - these terminals pass considerable current and over time may fatigue overheat and loosen.
Check operation/replace any blower motor control relay,
Check the blower motor will run if +12v directly applied to the blower motor.
Check operation of the blower motor speed control switch is ok.

check fuse. if ok. replace blower motor.

it's either a fuse or it's a bad blower motor, it could be a bad blower motor resistor but usually you'll get either high or low only, so if you have nothing on any speed, high low etc, and all the fuses are ok chances are it's your blower motor.