Review on High-Quality HVAC Blower Motor Resistor: PartsSquare RU353 3A1101 CR158 4864957 RU1046 Compatible With Jeep Cherokee 1997-2001 And Wrangler 1997-2006 by Gordie Johnson

Very common on a Jeep XJ to have this device fail. You will know because the fan will only blow on setting 4.Installation is fairly easy once you remove the vanity panel under the passenger side dashboard. There are videos available online, easy to find via google.One bit of advice, do not test this device until it is fully installed. It is only two screws so fully replace and secure before you test the fan. The reason is that this device heats up quickly and gets super hot. The slot it fits into is actually part of the HVAC system and the air blowing through it cools this device off. If you have this out of the socket it will super heat and potentially burn your hand, the carpet, or worse burn itself out.Overall though it is a simple part to replace yourself.