Just made the harnesses for the ballasts. The H4 connector (bottom of picture) connects to my upgraded harness that I installed earlier. The connector in the middle of the picture will connect to the projector solenoid, and finally the top connector connects to the Nissan Ballast. These make install quick and clean. I have designed all of my electrical add-ons in the engine compartment to be removable. If I ever needed or wanted to remove the aux fuse box, HID's, circuit breakers, relays, and driving lights; it would be as simple as unscrewing a few screws and unplugging the connectors from the stock wiring. NONE of the stock wiring has ever been cut into at all