DODGE RAM 2003 Service Repair Manual

KNOCK SENSOR-LEFT (5.7L) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 K73 18YL/BK KNOCK SENSOR NO. 1 SIGNAL
2 Y205 18BR/WT KNOCK SIGNAL RETURN
KNOCK SENSOR-RIGHT (5.7L) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 K74 18BR/VT KNOCK SENSOR NO. 2 SIGNAL
2 Y206 18DB/VT kNOCK SIGNAL RETURN
LEAK DETECTION PUMP (NGC) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 Z54 18BK/PK GROUND
2 K107 18OR NVLD SWITCH SIGNAL
3 K106 18WT/DG NVLD SOLENOID CONTROL
LEAK DETECTION PUMP - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1- -
2 K125 18WT/DB GENERATOR SOURCE
3 K106 18WT/DG LEAK DETECTION PUMP SWITCH SENSE
4 K107 18OR LEAK DETECTION PUMP SOLENOID CONTROL
LICENSE LAMP-LEFT - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 Y174 18PK/VT FUSED PARK LAMP RELAY OUTPUT
2 Z53 18BK GROUND
8W - 80 - 74 8W-80 CONNECTOR PIN-OUTSDR

LICENSE LAMP-RIGHT - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 L7 18BK/YL HEADLAMP SWITCH OUTPUT
2 Z53 18BK GROUND
LIFT PUMP MOTOR (DIESEL)-2WAY
CAV CIRCUIT FUNCTION
1 K62 18BK/OR LIFT PUMP FEED
2 Z11 18BK/WT GROUND
LINE PRESSURE SENSOR (3.7L/5.7L) - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 Z113 18BK GROUND
2 T39 18GY/LB 5 VOLT SUPPLY
3 T38 18VT/TN LINE PRESSURE SENSOR SIGNAL
4- -
LINE PRESSURE SENSOR (4.7L) - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 K4 18BK/LB SENSOR GROUND
2 K6 18VT/WT 5 VOLT SUPPLY
3 T38 18VT/TN LINE PRESSURE SENSOR SIGNAL
4- -
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 75

LUMBAR MOTOR-DRIVER - DK GRAY 2 WAY
CAV CIRCUIT FUNCTION
1 P106 12DG/WT LUMBAR MOTOR FORWARD
2 P107 12OR/BK LUMBAR MOTOR REARWARD
LUMBAR MOTOR-PASSENGER-2WAY
CAV CIRCUIT FUNCTION
1 P105 12LG/DB LUMBAR MOTOR FORWARD
2 P104 12YL/LB LUMBAR MOTOR REARWARD
MANIFOLD ABSOLUTE PRESSURE SENSOR (3.7L/4.7L/5.7L) - GRAY 3 WAY
CAV CIRCUIT FUNCTION
1 K1 18DG/RD MANIFOLD ABSOLUTE PRESSURE SENSOR SIGNAL
2 K4 18BK/LB SENSOR GROUND
2 K4 20BK/LB (NGC) SENSOR GROUND
3 K7 18OR 5 VOLT SUPPLY
3 K6 18VT/WT (NGC) 5 VOLT SUPPLY
MANIFOLD ABSOLUTE PRESSURE SENSOR (5.9L/8.0L)-3WAY
CAV CIRCUIT FUNCTION
1 K4 18BK/LB SENSOR GROUND
1 K7 18OR (8.0L) 5 VOLT SUPPLY
2 K1 18DG/RD MANIFOLD ABSOLUTE PRESSURE SENSOR SIGNAL
2 K4 18BK/LB (8.0L) SENSOR GROUND
3 K1 18DG/RD (8.0L) MANIFOLD ABSOLUTE PRESSURE SENSOR SIGNAL
3 K7 18OR 5 VOLT SUPPLY
8W - 80 - 76 8W-80 CONNECTOR PIN-OUTSDR

MODE DOOR ACTUATOR 1 (PANEL TO FLOOR)-2WAY
CAV CIRCUIT FUNCTION
1 C34 20DB/WT COMMON DOOR DRIVER
2 C35 20DG/YL MODE DOOR 1 DRIVER
MODE DOOR ACTUATOR 2 (DEFROST TO FLOOR)-2WAY
CAV CIRCUIT FUNCTION
1 C34 20DB/WT COMMON DOOR DRIVER
2 C33 20DB/RD MODE DOOR 2 DRIVER
MULTI-FUNCTION SWITCH - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 Y109 20VT/OR WASH/BEAM SELECT SWITCH SIGNAL
2 Y108 20VT/BR WIPER/TURN/BEAM SELECT SWITCH RETURN
3 Y110 20WT/VT TURN LAMPS SWITCH SIGNAL
4 V8 20VT INTERMITTENT WIPER SWITCH SIGNAL
OUTPUT SPEED SENSOR (3.7L/4.7L/5.7L) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 T14 18LG/WT OUTPUT SPEED SENSOR SIGNAL
2 T13 18DB/BK SPEED SENSOR GROUND
OUTPUT SPEED SENSOR (5.9L) - DK BLUE 2 WAY
CAV CIRCUIT FUNCTION
1 T14 18LG/WT OUTPUT SPEED SENSOR SIGNAL
2 T13 18DB/BK SPEED SENSOR GROUND
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 77

OUTPUT SPEED SENSOR (DIESEL)-2WAY
CAV CIRCUIT FUNCTION
1 T14 18LG/WT OUTPUT SPEED SENSOR SIGNAL
2 T13 18DB/BK SPEED SENSOR GROUND
OVERDRIVE SWITCH - WHITE 2 WAY
CAV CIRCUIT FUNCTION
1 T6 20OR/WT OVERDRIVE OFF SWITCH SENSE
2 Z71 20BK/TN GROUND
OVERHEAD MAP/READING LAMP (EXCEPT BASE) - NATURAL 3 WAY
CAV CIRCUIT FUNCTION
1 M11 20PK/LB COURTESY LAMP GROUND
2 F32 18RD/YL FUSED B(+)
3 M20 20BR COURTESY LAMP DRIVER
OXYGEN SENSOR 1/1 UPSTREAM - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 A141 18DG/WT FUSED AUTO SHUT DOWN RELAY OUTPUT
1 K41 18BK/DG (NGC) O2 1/1 HEATER CONTROL
2 Z192 18BK/WT (NGC) GROUND
2 K199 18BR/VT OXYGEN SENSOR 1/1 HEATER CONTROL
3 K4 18BK/LB SENSOR GROUND
3 Y213 18PK/LB (NGC) O2 UPSTREAM RETURN
4 K99 18BR/OR (NGC) O2 1/1 SIGNAL
4 K41 18BK/DG OXYGEN SENSOR 1/1 SIGNAL
8W - 80 - 78 8W-80 CONNECTOR PIN-OUTSDR

OXYGEN SENSOR 1/2 DOWNSTREAM - NATURAL 4 WAY
CAV CIRCUIT FUNCTION
1 A141 18DG/WT (EXCEPT CALIFORNIA) FUSED AUTO SHUT DOWN RELAY OUTPUT
1 A42 18DG (CALIFORNIA) OXYGEN SENSOR RELAY OUTPUT
1 K199 18BR/VT (NGC) O2 1/2 HEATER CONTROL
2 Z188 18BK/LB (NGC) SENSOR GROUND
2 Z193 18BK/WT (CALIFORNIA) GROUND
2 K299 18BR/WT (EXCEPT CALIFORNIA) OXYGEN SENSOR 1/2 HEATER CONTROL
3 K4 18BK/LB SENSOR GROUND
3 K904 18BR/DG (NGC) O2 RETURN DOWNSTREAM
4 K141 18TN/WT (NGC) 02 1/2 SIGNAL
4 K141 18TN/WT OXYGEN SENSOR 1/2 SIGNAL
OXYGEN SENSOR 2/1 UPSTREAM (CALIFORNIA 4.7L/CALIFORNIA 5.9L)-4WAY
CAV CIRCUIT FUNCTION
1 A141 18DG/WT FUSED AUTO SHUT DOWN RELAY OUTPUT
1 K299 18BR/WT (NGC) O2 2/1 HEATER CONTROL
2 Z193 18BK/DG (NGC) GROUND
2 K299 18BR/WT OXYGEN SENSOR 2/1 HEATER CONTROL
3 K4 18BK/LB SENSOR GROUND
3 Y213 18PK/LB (NGC) O2 UPSTREAM RETURN
4 K241 18LG/RD (NGC) 02 2/1 SIGNAL
4 K241 18LG/RD OXYGEN SENSOR 2/1 SIGNAL
OXYGEN SENSOR 2/2 DOWNSTREAM (CALIFORNIA 4.7L/CALIFORNIA 5.9L)-4WAY
CAV CIRCUIT FUNCTION
1 A42 18DG OXYGEN SENSOR DOWNSTREAM RELAY OUTPUT
1 K399 18BR/GY (NGC) O2 2/2 HEATER CONTROL
2 Z186 18BK/LB (NGC) GROUND
2 Z192 18RD GROUND
3 K4 18DB SENSOR GROUND
3 K904 18BR/DG (NGC) O2 RETURN DOWNSTREAM
4 K341 18TN/WT (NGC) O2 2/2 SIGNAL
4 K341 18OR OXYGEN SENSOR 2/2 SIGNAL
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 79

PARK/TURN SIGNAL LAMP-LEFT FRONT - BROWN 3 WAY
CAV CIRCUIT FUNCTION
1 L61 18LG LEFT FRONT TURN LAMP DRIVER
2 Y174 18PK/VT FUSED PARK LAMP RELAY OUTPUT
3 Z148 18DB/BK GROUND
PARK/TURN SIGNAL LAMP-RIGHT FRONT - BROWN 3 WAY
CAV CIRCUIT FUNCTION
1 L60 18LG/TN RIGHT FRONT TURN LAMP DRIVER
2 L7 18BK/YL HEADLAMP SWITCH OUTPUT
3 Z147 18BK/LB GROUND
PASSENGER BLEND DOOR ACTUATOR (DUAL-ZONE)-2WAY
CAV CIRCUIT FUNCTION
1 C34 20DB/WT COMMON DOOR DRIVER
2 C46 20YL/LG PASSENGER BLEND DOOR DRIVER
PASSENGER LUMBAR SWITCH-5WAY
CAV CIRCUIT FUNCTION
1 Z238 18BK GROUND
2 P104 12YL/LB LUMBAR MOTOR REARWARD
3 F37 12RD/LB FUSED B(+)
4 P105 12LG/DB LUMBAR MOTOR FORWARD
5 Z238 18BK GROUND
POWER MIRROR-LEFT - BLACK 8 WAY
CAV CIRCUIT FUNCTION
1 F121 18TN/BK HEATED MIRROR RELAY OUTPUT
2 P76 20OR/YL LEFT MIRROR COMMON DRIVER (RIGHT/DOWN)
3 P75 20DB/WT LEFT MIRROR LEFT DRIVER
4 P71 20YL LEFT MIRROR UP DRIVER
5 Z310 20BK/OR GROUND
6- -
7- -
8- -
8W - 80 - 80 8W-80 CONNECTOR PIN-OUTSDR

POWER MIRROR-RIGHT - BLACK 8 WAY
CAV CIRCUIT FUNCTION
1 F121 18TN/BK HEATED MIRROR RELAY OUTPUT
2 P76 20OR/YL LEFT MIRROR COMMON DRIVER (RIGHT/DOWN)
3 P74 20DB RIGHT MIRROR LEFT DRIVER
4 P72 20YL/BK RIGHT MIRROR UP DRIVER
5 Z311 20BK/LB GROUND
6- -
7- -
8- -
POWER OUTLET - RED 3 WAY
CAV CIRCUIT FUNCTION
1 A12 18RD/TN FUSED B(+)
2- -
3 Z300 18BK/LB GROUND
POWER OUTLET-CONSOLE (EXCEPT BASE)-3WAY
CAV CIRCUIT FUNCTION
1 Y148 18BR/YL FUSED B(+)
2- -
3 Z300 18BK/WT GROUND
POWER SEAT MOTOR-DRIVER FRONT VERTICAL - RED 2 WAY
CAV CIRCUIT FUNCTION
1 P21 12RD/LG LEFT SEAT FRONT DOWN
2 P19 12YL/LG LEFT SEAT FRONT UP
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 81

POWER SEAT MOTOR-DRIVER HORIZONTAL - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 P17 12RD/LB LEFT SEAT HORIZONTAL REARWARD
2 P15 12YL/LB LEFT SEAT HORIZONTAL FORWARD
POWER SEAT MOTOR-DRIVER REAR VERTICAL-2WAY
CAV CIRCUIT FUNCTION
1 P12 12RD/WT8RIGHT SEAT REAR DOWN
2 P10 12YL/WT RIGHT SEAT REAR UP
POWER SEAT SWITCH-DRIVER - 12 WAY
CAV CIRCUIT FUNCTION
1 F37 12RD/LB FUSED B(+)
2 Z238 14BK GROUND
3 P106 12DG/WT LUMBAR MOTOR FORWARD
4 P13 12RD/WT LEFT SEAT REAR DOWN
5 P107 12OR/BK LUMBAR MOTOR REARWARD
6 Z88 14BK/LB GROUND
7 F37 12RD/LB FUSED B(+)
8 P11 12YL/WT LEFT SEAT REAR UP
9 P17 12RD/LB LEFT SEAT HORIZONTAL REARWARD
10 P15 12YL/LB LEFT SEAT HORIZONTAL FORWARD
11 P21 12RD/LG LEFT SEAT FRONT DOWN
12 P19 12YL/LG LEFT SEAT FRONT UP
POWER SEAT SWITCH-PASSENGER - 12 WAY
CAV CIRCUIT FUNCTION
A F37 12RD/LB FUSED B(+)
B Z238 14BK GROUND
C P104 12YL/LB LUMBAR MOTOR REARWARD
E P10 12YL/WT RIGHT SEAT REAR DOWN
F P105 12LG/DB LUMBAR MOTOR FORWARD
G Z238 14BK GROUND
H F37 12RD/LB FUSED B(+)
J P12 12RD/WT RIGHT SEAT REAR UP
K P16 12RD/LB RIGHT SEAT HORIZONTAL REARWARD
L P14 12YL/LB RIGHT SEAT HORIZONTAL FORWARD
M P18 12YL/LG RIGHT SEAT FRONT DOWN
N P20 12RD/LG RIGHT SEAT FRONT UP
8W - 80 - 82 8W-80 CONNECTOR PIN-OUTSDR

POWER STEERING PRESSURE SWITCH (3.7L/4.7L/5.7L) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 Z244 20BK/DG GROUND
2 S28 18YL/BK P/S SWITCH SIGNAL
POWER WINDOW MOTOR-DRIVER - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 Q21 14WT LEFT FRONT WINDOW DRIVER (DOWN)
2 Q11 14LB LEFT FRONT WINDOW DRIVER (UP)
POWER WINDOW MOTOR-LEFT REAR - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 Q23 14RD/WT DRIVER REAR WINDOW DRIVER (DOWN)
2 Q13 14DB DRIVER REAR WINDOW DRIVER (UP)
POWER WINDOW MOTOR-PASSENGER - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 Q22 14VT RIGHT FRONT WINDOW DRIVER (DOWN)
2 Q12 14BR RIGHT FRONT WINDOW DRIVER (UP)
POWER WINDOW MOTOR-RIGHT REAR - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 Q24 14RD/WT PASSENGER REAR WINDOW DRIVER (DOWN)
2 Q12 14DB PASSENGER REAR WINDOW DRIVER (UP)
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 83