Jeep Wrangler Fan Switch Problems

Second would be the blower motor.

Jeep wrangler fan switch problems.

This condition has been repaired seven times six times unsuccessfully the first time was in 2004 the year i bought my jeep from a dealership and the last one accomplished august 20 2009 and who knows how long this will last. Sold and missed. First is the design of the circuits involved. There are a couple of factors that lead up to the failure of the melting fan switch.

Normal use of fan speed control switch of 1999 jeep wrangler. Without it the engine can reach dangerous temperatures and damage engine components. If your jeep wrangler s heater has stopped working this process has failed. There is a serious product defect in the fan motor switch resister assembly in my 2001 jeep wrangler.

2003 jeep wrangler sport. The cooling fan in a jeep grand cherokee keeps engine temperatures at the correct level by kicking on during times when the engine reaches higher than average temperatures. Jeep tj how to fix the blower fan if speed goes out or different speeds don t work. When your jeep reaches its optimal temperature its thermostat opens and allows that coolant from the cooling system to flow through the engine removing heat and sending it into the radiator then into the heater core which ultimately distributes it into the jeep.

In this video i am showing how to troubleshoot and pinpoint a problem on a not working air cond blower the motor with a simple tool like the test light. Replaced under warranty twice. The infamous blower motor switch resistor problem. The second time was in new york on vacation and the short caused a dash fire in which the wiring harness had to be replaced.

The male tabs on back of switch break causing shorts and failure.