1998 Grand Cherokee heater fan does not work If I hit the dash board it turns on?
Fuse, blower motor resistor pack, blower motor, and blower motor switch, in that order.
Failure of the blower motor connector on this model is common. Check www.wjjeeps.com for pictures and an explanation of the problem. Sometimes you can get temporary operation by jiggling the wiring connector.
You also need to check for the source of the problem. It is also common for the re-circ door to break, blocking air into the fan and causing it to overheat, stressing the wiring. Check the HeaterTreater re-circ listing for diagnostic information and pictures.
Would the body control module be affected if you were washing your 1994 jeep grand Cherokee and had the hood open and the engine got wet cause my door locks and my control panal don't work now?
1999 Jeep Grand Cherokee LTD - Heater blower is intermittant Blower will come on when operating temp is reached and then turns off and on as it pleases Blower motor is okay as will not lose power wh?
under the dash pass. side look at heater you will see a plug with several wires that look like thy go into the heater there is a one screw plastic cover over this area so your feet dont hit it remove then uplug the wires then take the 2 screws out of oval shaped sensor and pull it out of heater you will see some transister on the back side and a little coil…