2500 4x2 Pickup V8-360 5.9L Magnum (1996)
Power Door Lock Switch: Description and Operation
Lock
Left Door Switch
CIRCUIT OPERATION
When the door lock switch is moved to the LOCK position, voltage is supplied on the P35 circuit to the bus bar located inside the right door
switch, LOCK side. Battery voltage is passed through the switch to the door motors on circuit P35. Grounding is provided through the P34 circuit
for both door motors back to the right door switch. The ground is passed through the bus bar internal to the switch, UNLOCK side, to the P36
circuit. The P36 circuit connects to the left front switch to a bus bar, internal to the switch, and then to the Z3 circuit. The Z3 circuit provides
ground.
Right Door Switch
CIRCUIT OPERATION
When the switch is moved to the LOCK position, voltage is supplied to the P33 circuit, and then to the door lock motors. The ground path is
provided on the P34 circuit back to the right door switch. The ground is passed through the switch internal bus bar to the P36 circuit. The P36
circuit connects to the left door switch and through to ground on circuit Z3.