Diesel Data: Automotive Repair

Helpful Information

- Circuit Z1 also supplies ground for side marker lamps, turn signals, parking lamps and headlamps.
- Circuit A3 from the PDC supplies voltage to the headlamp switch for circuit L2.
- Circuit F33 from the fuse block supplies voltage to the headlamp switch for circuit E1. Circuit A3 from the PDC supplies voltage to a bus bar in the fuse block that feeds the F33 circuit. Fuse 2, in the fuse block, protects the F33 circuit.