Dodge RAM TRUCK 1500 1995 Service Manual page 712

B R
8W-61 POWER DOOR LOCKS
8W - 6 1 - 1
POWER DOOR LOCKS
POWER DOOR LOCKS
The Power D i s t r i b u t i o n Center (PDC) supplies volt­
age to the fuse block f r o m the 50 amp fuse located i n
cavity 1 on circuit A 7 .
Fust
19, located i n the fuse
block, supplies battery voltage on the F35 circuit to
both door lock switches.
The ground p a t h for the system is t h r o u g h the left
door lock switch on the Z3 circuit.
L E F T DOOR SWITCH
O P E R A T I O N
(LOCK)
W h e n the door lock switch is moved to the L O C K
position, voltage is supplied on the P35 circuit to the
bus bar located inside the r i g h t door switch, lock
side. B a t t e r y voltage is passed through the switch to
the P33 circuit to the door motors. Grounding is pro­
vided t h r o u g h the P34 circuit for both door motors
back to the r i g h t door switch. The ground is passed
t h r o u g h the bus bar i n t e r n a l to the switch, U N L O C K
side, to the P36 circuit. The P36 circuit goes to the
left front switch to a bus bar, i n t e r n a l to the switch,
and t h e n to the Z3 circuit. The Z3 circuit provides
ground.
LEFT
D O O R SWITCH O P E R A T I O N (UNLOCK)
W h e n the switch is moved to the U N L O C K posi­
tion, voltage is supplied on the P36 circuit to the
r i g h t door switch, unlock side. The battery voltage is
passed through the switch i n t e r n a l bus bar to the
P34 circuit. The P34 circuit t h e n goes to the door mo­
tors on the unlock side. Grounding for the U N L O C K
function is provided by the P33 circuit.
The P33 circuit goes back to the r i g h t door switch,
L O C K side, and passes through the i n t e r n a l bus bar
to the P35 circuit. The P35 circuit
goes back
to the
left door switch, and passes through the switch to
ground on circuit Z3.
R I G H T D O O R SWITCH
O P E R A T I O N
(LOCK)
W h e n the switch is moved to the L O C K position,
voltage is supplied to the P33 circuit, and t h e n to t h e
door lock motors. The ground p a t h is provided on t h e
P34 circuit back to the r i g h t door switch. The ground
is passed through the switch i n t e r n a l bus bar to t h e
P36 circuit. The P36 circuit goes to the left door
switch and through to ground on circuit Z3.
R I O H T DOOR SWITCH OPERATION (UNLOCK)
W h e n the switch is moved to the U N L O C K position
voltage is supplied to the P34 circuit f r o m the switch
to the door U N L O C K side of the motors. The ground­
i n g p a t h is through the L O C K side of the motors, cir­
cuit P33, back to the switch. The ground continues
t h r o u g h the i n t e r n a l bus bar of the switch on circuit
P35 to the left door switch. A t the left door switch,
the ground passes t h r o u g h t h a t switches i n t e r n a l bus
bar to ground on circuit Z3.
HELPFUL INFORMATION
• Check the 50 amp fuse i n cavity 1 of the PDC.
• Check the 20 amp fuse i n cavity 19 of the fuse
block.
DIAGRAM INDEX
Component Page
Fuse 1 (PDC) .8W-61-2, 3
Fuse 19 . . . . . . . . .8W-61-2, 3
Lett Door Lock Switch .8W-61-2
Right Door Lock Switch .8W-61-2
Door Lock Motors 8W-61-2