Pinout Values and Diagnostic Parameters

C 4 CIGARETTE LIGHTER
2-GROUND : Approx. 12 volts with ignition SW at ON and ACC position
1-GROUND : Always continuity

C 7 CLOCK
1-GROUND : Always approx. 12 volts (Power for clock)
4-GROUND : Approx. 12 volts with ignition SW at ON or ACC position (Power for indication)
3-GROUND : Approx. 12 volts with light control SW at TAIL or HEAD position (Signal of indication)
2-GROUND : Always continuity