Jeep Wrangler Fan Switch Problems

The infamous blower motor switch resistor problem.

Jeep wrangler fan switch problems.

Luckily nobody was hurt due to close proximaty of dealership. If the cooling fan stops working most do it yourself. The male tabs on back of switch break causing shorts and failure. First is the design of the circuits involved.

Second would be the blower motor. Jeep tj how to fix the blower fan if speed goes out or different speeds don t work. Normal use of fan speed control switch of 1999 jeep wrangler. 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.

There is a serious product defect in the fan motor switch resister assembly in my 2001 jeep wrangler. 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. 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. 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.

Sold and missed. Replaced under warranty twice. There are a couple of factors that lead up to the failure of the melting fan switch. 2003 jeep wrangler sport.

Without it the engine can reach dangerous temperatures and damage engine components.