4.Once I had the headlamp out, I tapped the two headlamp wires to the new transmitter's wires with the blue Posi-Tap connectors. Then I tucked the new transmitter behind the bulb and it fit right in place. If it doesn't fit in your headlamp bucket, there are options to mount it elsewhere depending on your application. I then replaced the bulb back into the headlamp receptacle and tightened down the ring. Done!