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1992–1997 Ford F-Series/Bronco – HID Projector Headlamps Installation Instructions
Bixenon Wire Harness & Initial Steps
Open the vehicle hood and remove the stock headlamp assemblies. Set the stock lights aside and move on to the bixenon wire harness provided in the kit. YOU MUST USE THIS HARNESS WITH ANY HID LIGHTING UPGRADE (picture #1). This harness has several wires that need to be connected. Mount the relay on the header panel, there are a few pics below with sample pictures. Make sure there is enough freedom to route the wires to the high beam solenoid and HID ballasts. There is a single connection to the positive terminal at the fuse block and two ground wires that should be screwed to the metal body near the headlight mounting area. Connect the Blue plug to the original headlamp bulb plug. One original headlight plug will not be used. Plug the flat connector into the HID kit’s ballast. The connector with white and brown wires are for the high beam control solenoid and will plug into the matching connector marked “high beam” on the harness. If you have issues with high beam functionality once completed, check to make sure the two pins on this connector are fully seated and making proper contact. Mount the HID ballasts per the provided photos and make sure you have access to them and enough wire length to plug in the HID bulbs and high beams. Move on to the headlights and install the bulbs into the projector assembly per the attached photo collage (ref Picture #3). Locate the bulb retaining wire clips and install after inserting the bulb into the housing with the return wire on the bulb facing down. Ensure the bulb is seated flat and square to the rear of the projector. DO NOT TOUCH THE BULB. If you happen to touch it, wipe it clean with a lint free towel to remove the fingerprints. Hold the headlight near its home and make the two bulb and one high beam plug connections. Make connections for halos or led lights as well. Reinstall the headlights and secure the metal levers downward until they are seated firmly. TEST THE LIGHTS WITH THE VEHICLE RUNNING TO MAKE SURE SUFFICIENT VOLTAGE IS PRESENT.
Adjustment
At this point you should be able to turn on the headlamps and they will be working as intended with low and high beam operation. To get the most out of the HID projector retrofit you must align the lights properly. This should be done on flat ground with the vehicle facing a wall 25 feet away. These lights will give a defined cutoff line. This cutoff line helps with the tuning process. The goal is to get the lights aligned per the image below (as borrowed from www.theretrofitsource.com):
We have found that the aftermarket light housings do not always fit and secure in the vehicle properly. The fix for this is relatively easy, but you need to relocate the adjusters from your original headlights to the new units. The process involves locating the mounting point of the three adjuster/mounting tabs on the back of the light. Take a pair of pliers (preferably needle nose) and grab the base nearest the light housing and twist them in the opposite direction of the ramps. The ramps are there to help guide the mounts into position during installation. There will be a bit of resistance, but the mount will twist 90º and release from the light. You may need to place a small flat screwdriver under the retaining lip to help them over the lock. Remove the tab on the aftermarket light and replace with your factory piece. Installation will be easier than removal since the ramp will help guide it into position. Once all three mounts have been completed, mount the headlight, secure the clips and align the headlight cutoff lines/step. Done correctly this will provide a nice solid mount into the vehicle as Ford intended. See the photos below for an example of how to gently remove the mounts from either set of lights.