16. The two wires that were passed into the passenger compartment are connected to the headlight switch wiring via the included T-taps and male spade terminals. You’ll need to cut back some of the harness tape to access the wiring needed. Reconnect the three wiring connections at the switch panel, and then reinstall the switch. Finally, check for proper fog light operation (only with the key on) and adjust the lamps if needed before reinstalling the under hood and under car trim panels.