Jeep Air - TJ Wrangler blower harness melted TJ Wrangler blower harness melted. On 1997-2006 Jeep Wranglers (TJ's) the harness that plugs into the back of the control head will burn up. When this happens the inside of the Jeep will smell like burnt rubber and the a/c blower may not work. Below is an outline of the cause of the problem, and how to fix it. What has changed is the blower Jeep Air - TJ Wrangler Blower Motor & Wire Harness 1997 - 2001 TJ Wrangler Blower motor and control head wire harness repair kit. The harness on some Jeep Wranglers will burn up the plastic plug on the back of the control head. This is a replacement blower motor and a replacement wire harness.