Diesel Data: Automotive Repair

Service Hints

TAIL LIGHT AND STOP LIGHT

TAIL RELAY
5 - 3 : Closed with the light control SW at TAIL or HEAD position

L5 LIGHT FAILURE SENSOR
7 - GROUND : Approx. 12 volts with stop light SW on
3 - GROUND : Approx. 12 volts with the light control SW at TAIL or HEAD position
4, 8 - GROUND : Approx. 12 volts with the ignition SW at ON position
11 - GROUND : Always continuity

S4 STOP LIGHT SW
1 - 2 : Closed with brake pedal depressed