How To Install A Headlight Switch Repair Harness On Your 1994-2004 Mustang

STEP 1: Unplug the negative side of the battery. Remove the (2) 7mm bezel screws. 

STEP 2: Use a regular screwdriver to pop out the headlight switch knob. Pull out on the bezel to remove it. 

STEP 3: Unplug the headlight switch by pulling out on the two clips. 

STEP 4: Make sure the headlight switch is not damaged. 

STEP 5: Cut each wire on the old connector and remove the connector. 

STEP 6: Keep track of which wire was where and start to connect them to the new wire harness. Be sure to attach the wires in the correct places and secure them with butt splices or soldering, then reassemble the dash and test headlights, parking lights and dome lights by pulling out on and turning the knob. 

Installation Instructions written by AmericanMuscle Customer Ryan Houck 12.11.2014 ​