What does the pink wire in wiring harness connect too?

The pink wire in a wiring harness is typically connected to the ignition switch. This wire provides power to the ignition coil and other components that are necessary for the engine to start. The pink wire may also be connected to the starter solenoid, which is responsible for engaging the starter motor. In some cases, the pink wire may also be connected to the fuel pump or other electrical components that are essential for the engine to function properly.