Home >> Jeep >> 2007 >> Wrangler Rubicon, Standard >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting Systems - Exterior - Electrical Diagnostics >> Lamps/Lighting - Exterior-Electrical/Diagnostics >> DTC Troubleshooting >> B166C-Left Trailer Tow Lamp Control Circuit High >> Possible Causes