Bad Dad's Upgraded Wiring Harness is ideal for a bike using a center taillight with additional lighting that needs to be utilized as run lights, brake lights & turn signals.
1) Bad Dad's Basic Wiring Harness features 3 sections: (1) center section that will supply ground, run light & brake light functions (ideal for a center brake light or running light); (1) section which will supply ground, run light, brake light & left turn signal (ideal for a left turn signal application); and (1) section which will supply ground, run light, brake light & right turn signal (ideal for a right turn signal).
The two sections of the wiring harness supplying run light, brake light, and turn signal functions have only two wires: (1) ground wire and (1) power wire. This single power wire controls the taillight's run, brake & turn features by modulating the amount of voltage supplied to the taillight.
Connect the ground wire from the harness to the ground wire from the taillight. Connect the single power wire from the harness to the high intensity wire of your taillight.
Note: The ground wire must be grounded to the negative side of the battery.
