Can anyone tell me precisely where the fuse and relay for the blower motor in a 1994 cherokee sport is located. I do not have a book and I located the fuse box but I don't know which fuse it is and I have the same problem with the relay location ie where it is and which one it is!
I don't know if this will help but the fuse box panel under the dash should show you the location of the blower motor fuse and the relays are beside the battery. You will have to take the relays to a shop to be tested. Sorry I couldn't be more specific.
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On your vehicle, if it works on low speed, that eliminates the fuse, the blower motor relay and the blower motor resistor. All of the parts of the resistor must bee good for it to work on low. The relay supplies power to the motor and the controls provide the ground, so if the motor runs at all, it is not the relay or the fuse. The only thing left is the switch. Fords are bad about burning the wire connector that conects to the switch. You will most likely have to replace the switch and the connector. Both of these parts are widely avaiable at most aftermarket parts stores.
Your heater fan has a resistor/relay that has failed. It will need to be replaced. Look in the fuse panel to find the fuse for the Blower motor and remove it. That will stop the blower motor from running and killing your battery. The fuse panel cover should have a diagram of the fuses that will tell you which one it is. If the fuse diagram isn't on the panel cover, look for the fuse diagram in youe owners manual.
Look ion the INSTRUMENT PANEL Fuse Box, there are two blower motor relays and two fuses, look on the inside of the relay cover for a diagram. The relay you are looking for should be labeled FRONT BLOWER MOTOR RELAY and the rear one should say AUXILIARY BLOWER MOTOR RELAY.
The TWO fuses with the same name on passenger compartment fuse box check:
Most likely the blower motor,it has gone out,some times,not always,you can bump the blower motor with your hand,and it will start to run,or it will try,if so,replace the blower motor,otherwise,check the voltage at the blower motor,if it has voltage,replace the blower motor,if it has no voltage at the blower motor,then replace the blower relay,located near the blower motor.
CHECK BLOWER MOTOR FUSE AND RELAY.IF ALL IS GOOD.CHECK TO SEE IF BLOWER IS GETTING POWER.IF NOT.SWITCH IS BAD.IF YES REPLACE BLOWER MOTOR.IF TURN SIGNALS STOP WORKING.CHECK FUSE FIRST.IF FUSE LOOK GOOD. CHECK BULBS TO SEE IF THEY ARE BLOWN.IF BULBS LOOK GOOD PROBLEM COULD BE WORN OR CORRODED BULB SOCKETS OR.BAD GROUND.OR THE TURN SIGNAL SWITCH IS BAD.
The blower motor resistor is under the hood.On the back wall.You will see a plastic black panel and it should say fuses and relays.Remove the panel and there will be some fuses and relays.Below the relays and fuses you will find the resistor.There are 2 10mm nuts on each side of the relay center.Remove these and you will see the resistor connector.Remove the 2 screws and pull the resistor up.If your blower motor is not working.Before you replace the resistor try tapping on the blower motor while the system is on.If it comes on then the blower motor is bad.Good luck.