relay DODGE RAM 2002 Service Repair Manual

A/C LOW PRESSURE SWITCH-2WAY
CAV CIRCUIT FUNCTION
1 C20 18BR A/C SWITCH SENSE
2 C22 18DB A/C SWITCH SENSE
ACCELERATOR PEDAL POSITION SENSOR (DIESEL)-6WAY
CAV CIRCUIT FUNCTION
1 K104 18BK/LB SENSOR GROUND
2 H105 18LG/DB IDLE VALIDATION SWITCH NO. 2
3 H102 18LB/BK ACCELERATOR PEDAL POSITION SENSOR SIGNAL
4 H103 18BK/YL ACCELERATOR PEDAL POSITION SENSOR GROUND
5 H101 18DB/WT ACCELERATOR PEDAL POSITION SENSOR SUPPLY
6 H104 18BR/OR IDLE VALIDATION SWITCH NO. 1
AFTERMARKET TRAILER TOW CONNECTOR-7WAY
CAV CIRCUIT FUNCTION
1 Z13 12BK GROUND
2 B40 12LB TRAILER TOW BRAKE B(+)
3 L76 12BK/OR TRAILER TOW RELAY OUTPUT
4 A6 12RD/OR FUSED B(+)
5 L63 16DG/RD LEFT TURN SIGNAL
6 L62 16BR/RD RIGHT TURN SIGNAL
7 L1 18VT/BK BACK-UP LAMP FEED
AIRBAG CONTROL MODULE - 23 WAY
CAV CIRCUIT FUNCTION
1- -
2- -
3- -
4 Z6 18BK/PK GROUND
5 R43 18BK/LB DRIVER AIRBAG LINE 2
6 R45 18DG/LB DRIVER AIRBAG LINE 1
7 R142 18BR/YL PASSENGER AIRBAG LINE 1
8 R144 18VT/YL PASSENGER AIRBAG LINE 2
9- -
10 - -
11 - -
12 - -
13 - -
14 F14 18LG/YL FUSED IGNITION SWITCH OUTPUT (RUN-START)
15 F23 18DB/YL FUSED IGNITION SWITCH OUTPUT (RUN)
16 - -
BR/BE8W-80 CONNECTOR PIN-OUTS 8W - 80 - 5

BATTERY TEMPERATURE SENSOR - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 K4 20BK/LB SENSOR GROUND
2 K118 20PK/YL BATTERY TEMPERATURE SENSOR SIGNAL
BLEND DOOR ACTUATOR-6WAY
CAV CIRCUIT FUNCTION
1 F15 20DB FUSED IGNITION SWITCH OUTPUT (RUN)
2 C82 20YL/OR TEMPERATURE SELECT
3 Z2 20BK/LG GROUND
4- -
5- -
6- -
BLOWER MOTOR-2WAY
CAV CIRCUIT FUNCTION
1 C1 12DG BLOWER MOTOR RELAY OUTPUT
2 C7 12BK/TN HIGH SPEED BLOWER MOTOR CONTROL
BLOWER MOTOR RESISTOR BLOCK - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 C7 12BK/TN HIGH SPEED BLOWER MOTOR CONTROL
2 C6 14LB M2 SPEED BLOWER MOTOR CONTROL
3 C5 16LG M1 SPEED BLOWER MOTOR CONTROL
4 C4 16TN LOW SPEED BLOWER MOTOR CONTROL
BRAKE LAMP SWITCH-6WAY
CAV CIRCUIT FUNCTION
1 F32 16PK/DB FUSED B(+)
2 L50 16WT/TN BRAKE LAMP SWITCH OUTPUT
3 V30 22DB/RD SPEED CONTROL BRAKE SWITCH OUTPUT
4 V32 22YL/RD SPEED CONTROL SUPPLY
5 Z2 22BK/LG GROUND
6 V40 22WT/PK BRAKE SWITCH SENSE
BR/BE8W-80 CONNECTOR PIN-OUTS 8W - 80 - 7

CENTER HIGH MOUNTED STOP LAMP NO. 1 - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 L50 18WT/TN BRAKE LAMP SWITCH OUTPUT
2 Z3 18BK/OR GROUND
CENTER HIGH MOUNTED STOP LAMP NO. 2 - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 L50 18WT/TN BRAKE LAMP SWITCH OUTPUT
2 Z3 18BK/OR GROUND
CENTER IDENTIFICATION LAMP-2WAY
CAV CIRCUIT FUNCTION
1 L7 18BK/YL HEADLAMP SWITCH OUTPUT
2 Z4 18BK GROUND
CENTRAL TIMER MODULE C1 - GREEN 14 WAY
CAV CIRCUIT FUNCTION
1 G75 22TN DRIVER DOOR AJAR SWITCH SENSE
2 G13 22DB/RD CHIME REQUEST SIGNAL
3 V8 16VT WIPER SWITCH MODE SENSE
4 V18 22YL/DG WIPER MOTOR RELAY CONTROL
5 G16 22BK/LB PASSENGER DOOR AJAR SWITCH SENSE
6 Z2 22BK/LG GROUND
7- -
8 F12 22DB/WT (BASE/MIDLINE) FUSED IGNITION SWITCH OUTPUT (RUN-START)
8 V6 16DB (CTM) FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
9 G26 22LB KEY-IN IGNITION SWITCH SENSE
10 V10 16BR WASHER SWITCH SENSE
11 V5 16DG WIPER PARK SWITCH SENSE
12 V9 16WT/DB WIPER SWITCH MODE SIGNAL
13 - -
14 F35 22RD FUSED B(+)
BR/BE8W-80 CONNECTOR PIN-OUTS 8W - 80 - 33

CENTRAL TIMER MODULE C2 - 18 WAY
CAV CIRCUIT FUNCTION
1 P33 22OR/BK DOOR LOCK DRIVER
2 M11 22PK/LB COURTESY LAMP SWITCH OUTPUT
3 Z3 18BK/OR GROUND
4 P30 22OR/DG PASSENGER DOOR LOCK SWITCH OUTPUT
5 F12 22DB/WT FUSED IGNITION SWITCH OUTPUT (RUN-START)
6 G50 22RD/DB SECURITY RELAY CONTROL
7 P132 16OR/BK HEATED SEAT RELAY CONTROL
8 G69 22BK VTSS INDICATOR DRIVER
9 P34 22PK/BK DOOR UNLOCK DRIVER
10 G73 22LG/OR CYLINDER LOCK SWITCH MUX
11 M22 22WT DOME LAMP SWITCH SENSE
12 - -
13 P31 22PK/DG PASSENGER DOOR UNLOCK SWITCH OUTPUT
14 X20 22RD/BK RADIO CONTROL MUX
15 - -
16 D1 20VT/BR CCD BUS (+)
17 D2 20WT/BK CCD BUS (-)
18 X3 20BK/RD HORN RELAY CONTROL
CIGAR LIGHTER - NATURAL 3 WAY
CAV CIRCUIT FUNCTION
1 F30 18RD/OR FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
2- -
3 Z3 18BK/OR GROUND
CLOCKSPRING C1-5WAY
CAV CIRCUIT FUNCTION
1 V37 22RD/LG SPEED CONTROL SWITCH SIGNAL
2 Z9 20BK/VT (HIGHLINE (REMOTE
RADIO))GROUND
3 K4 22BK/LB SENSOR GROUND
4 X20 22RD/BK (EXCEPT BASE)) RADIO CONTROL MUX
5 X3 20BK/RD HORN RELAY CONTROL
CLOCKSPRING C2 - YELLOW 2 WAY
CAV CIRCUIT FUNCTION
1 R43 18BK/LB DRIVER AIRBAG LINE 2
2 R45 18DG/LB DRIVER AIRBAG LINE 1
8W - 80 - 34 8W-80 CONNECTOR PIN-OUTSBR/BE

DATA LINK CONNECTOR - BLACK 16 WAY
CAV CIRCUIT FUNCTION
14 D220 20WT/VT (DIESEL) SCI RECEIVE (PCM/DSL)
15 - -
16 M1 20PK FUSED B(+)
DAYTIME RUNNING LAMP MODULE - BLACK 10 WAY
CAV CIRCUIT FUNCTION
1 Z1 18BK GROUND
2 L10 18BR/LG FUSED IGNITION SWITCH OUTPUT (RUN)
3 G34 20RD/GY HIGH BEAM INDICATOR DRIVER
4 G11 20WT/LG PARK BRAKE SWITCH SENSE
5- -
6 L3 18RD/OR DIMMER SWITCH HIGH BEAM OUTPUT
7 Z1 18BK GROUND
8 L34 20RD/OR FUSED B(+)
9 L139 20VT FOG LAMP RELAY CONTROL
10 L4 18VT/WT DIMMER SWITCH LOW BEAM OUTPUT
DOME LAMP - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1- -
2 M2 20YL COURTESY LAMP DRIVER
3 M1 20PK FUSED B(+)
DRIVER AIRBAG - YELLOW 2 WAY
CAV CIRCUIT FUNCTION
1 R45 BK DRIVER AIRBAG LINE 1
2 R43 BK DRIVER AIRBAG LINE 2
DRIVER CYLINDER LOCK SWITCH - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 Z2 20BK/LG GROUND
2 G73 20LG/OR CYLINDER LOCK SWITCH MUX
BR/BE8W-80 CONNECTOR PIN-OUTS 8W - 80 - 37

ENGINE CONTROL MODULE (DIESEL) - 50 WAY
CAV CIRCUIT FUNCTION
12 K246 20YL/DG CUMMINS BUS (-)
13 K242 20WT DATA LINK (+) FUEL INJECTION PUMP
14 K2 18TN/BK ENGINE COOLANT TEMPERATURE SENSOR SIGNAL
15 K135 18YL/WT TRANSFER PUMP SUPPLY
16 H105 18LG/DB IDLE VALIDATION SWITCH NO. 2
17 K124 18GY CAMSHAFT POSITION SENSOR SIGNAL
18 K48 18DG FUEL INJECTION PUMP SYNC SIGNAL
19 - -
20 - -
21 K1 18DG/RD WATER IN FUEL SENSOR SIGNAL
22 V37 18RD/LG SPEED CONTROL SWITCH SIGNAL
23 K240 20BK DATA LINK (-) FUEL INJECTOR PUMP
24 V32 18YL/RD BRAKE SWITCH SENSE
25 H102 18LB/BK ACCELERATOR PEDAL POSITION SENSOR SIGNAL
26 G113 18OR PTO SWITCH SENSE
27 - -
28 K22 18OR/DB ACCELERATOR PEDAL POSITION SENSOR SIGNAL
29 S21 18YL/BK AIR INTAKE HEATER RELAY NO. 1
30 Z12 18BK/TN GROUND
31 H101 18DB/WT ACCELERATOR PEDAL POSITION SENSOR SUPPLY
32 H103 18BK/YL ACCELERATOR PEDAL POSITION SENSOR GROUND
33 K45 18LB/RD FUEL SHUT-OFF SIGNAL
34 K44 18VT/OR LOW IDLE SELECT
35 K135 18YL/WT TRANSFER PUMP SUPPLY
36 K131 18BR/WT FUEL INJECTOR PUMP RELAY CONTROL
37 G85 18OR/BK WAIT-TO-START WARNING INDICATOR DRIVER
38 D21 18PK/DB SCI TRANSMIT
39 D20 18DG SCI RECEIVE
40 D2 18WT/BK CCD BUS (-)
41 D1 18VT/BR CCD BUS (+)
42 - -
43 G7 18WT/OR VEHICLE SPEED SENSOR SIGNAL
44 K243 20OR/BR DATA LINK SHIELD FUEL INJECTOR PUMP
45 K24 18GY/BK CRANKSHAFT POSITION SENSOR SIGNAL
46 - -
47 S22 18OR/BK AIR INTAKE HEATER RELAY CONTROL NO. 2
48 A14 18RD/WT FUSED B(+)
49 Z12 18BK/TN GROUND
50 A14 18RD/WT FUSED B(+)
ENGINE COOLANT TEMPERATURE SENSOR (DIESEL)-2WAY
CAV CIRCUIT FUNCTION
A K104 18BK/LB SENSOR GROUND
B K2 18TN/BK ENGINE COOLANT TEMPERATURE SENSOR SIGNAL
8W - 80 - 42 8W-80 CONNECTOR PIN-OUTSBR/BE

ENGINE COOLANT TEMPERATURE SENSOR (GAS)-2WAY
CAV CIRCUIT FUNCTION
1 K4 18BK/LB SENSOR GROUND
2 K2 18TN/BK ENGINE COOLANT TEMPERATURE SENSOR SIGNAL
ENGINE OIL PRESSURE SENSOR (DIESEL) - GRAY 3 WAY
CAV CIRCUIT FUNCTION
A K7 18OR 5V SUPPLY
B K104 18BK/LB ENGINE OIL PRESSURE SENSOR RETURN
C G60 18GY/BK ENGINE OIL PRESSURE SENSOR SIGNAL
ENGINE OIL PRESSURE SENSOR (GAS)-2WAY
CAV CIRCUIT FUNCTION
1 K4 20BK/LB SENSOR GROUND
2 G60 18GY/OR ENGINE OIL PRESSURE SENSOR SIGNAL
EVAP/PURGE SOLENOID-2WAY
CAV CIRCUIT FUNCTION
1 K52 18PK/WT EVAPORATIVE EMISSION SOLENOID CONTROL
2 F12 20DB/WT FUSED IGNITION SWITCH OUTPUT (RUN-START)
WINDSHIELD WASHER PUMP - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 V10 16BR WASHER SWITCH SENSE
2 Z1 20BK GROUND
FUEL HEATER (DIESEL)-2WAY
CAV CIRCUIT FUNCTION
A Z11 14BK/TN GROUND
B A93 12RD/BK FUEL HEATER RELAY OUTPUT
BR/BE8W-80 CONNECTOR PIN-OUTS 8W - 80 - 43

FUEL INJECTION PUMP (DIESEL)-9WAY
CAV CIRCUIT FUNCTION
1 K240 20BK DATA LINK (-) FUEL INJECTION PUMP
2 K242 20WT DATA LINK (+) FUEL INJECTION PUMP
3- -
4 K44 18VT/OR LOW IDLE SELECT
5 K45 18LB/RD FUEL SHUT-OFF SIGNAL
6 Z12 14BK/TN GROUND
7 A40 14RD/LG FUEL PUMP RELAY OUTPUT
8 K48 18DG FUEL INJECTION PUMP SYNC SIGNAL
9- -
FUEL INJECTOR NO. 1 - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 K11 18WT/DB FUEL INJECTOR NO. 1 DRIVER
2 A142 16DG/OR AUTOMATIC SHUT DOWN RELAY OUTPUT
FUEL INJECTOR NO. 2 - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 K12 18TN FUEL INJECTOR NO. 2 DRIVER
2 A142 16DG/OR AUTOMATIC SHUT DOWN RELAY OUTPUT
FUEL INJECTOR NO. 3 - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 K13 18YL/WT FUEL INJECTOR NO. 3 DRIVER
2 A142 16DG/OR AUTOMATIC SHUT DOWN RELAY OUTPUT
FUEL INJECTOR NO. 4 - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 K14 18LB/BR FUEL INJECTOR NO. 4 DRIVER
2 A142 16DG/OR AUTOMATIC SHUT DOWN RELAY OUTPUT
8W - 80 - 44 8W-80 CONNECTOR PIN-OUTSBR/BE

FUEL INJECTOR NO. 5 - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 K38 18GY FUEL INJECTOR NO. 5 DRIVER
2 A142 16DG/OR AUTOMATIC SHUT DOWN RELAY OUTPUT
FUEL INJECTOR NO. 6 - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 K58 18BR/DB FUEL INJECTOR NO. 6 DRIVER
2 A142 16DG/OR AUTOMATIC SHUT DOWN RELAY OUTPUT
FUEL INJECTOR NO. 7 - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 K26 18VT/TN FUEL INJECTOR NO. 7 DRIVER
2 A142 16DG/OR AUTOMATIC SHUT DOWN RELAY OUTPUT
FUEL INJECTOR NO. 8 - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 K28 18GY/LB FUEL INJECTOR NO. 8 DRIVER
2 A142 16DG/OR AUTOMATIC SHUT DOWN RELAY OUTPUT
FUEL INJECTOR NO. 9 (8.0L) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 K115 18TN/BK FUEL INJECTOR NO. 9 DRIVER
2 A142 16DG/OR AUTOMATIC SHUT DOWN RELAY OUTPUT
BR/BE8W-80 CONNECTOR PIN-OUTS 8W - 80 - 45

FUEL INJECTOR NO. 10 (8.0L) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 K116 18WT FUEL INJECTOR NO. 10 DRIVER
2 A142 16DG/OR AUTOMATIC SHUT DOWN RELAY OUTPUT
FUEL PUMP MODULE (GAS) - LT. GRAY 4 WAY
CAV CIRCUIT FUNCTION
1 Z13 16BK GROUND
2 K4 20BK/LB SENSOR GROUND
3 K226 20DB/WT FUEL LEVEL SENSOR SIGNAL
4 A61 16DG/BK FUEL PUMP RELAY OUTPUT
FUEL TANK MODULE (DIESEL) - LT. GRAY 4 WAY
CAV CIRCUIT FUNCTION
1- -
2 K4 20BK/LB SENSOR GROUND
3 K226 20DB/WT FUEL LEVEL SENSOR SIGNAL
4- -
FUEL TRANSFER PUMP (DIESEL)-2WAY
CAV CIRCUIT FUNCTION
1 K135 18YL/WT TRANSFER PUMP SUPPLY
2 Z11 18BK/WT GROUND
G300 - BLACK 5 WAY
CAV CIRCUIT FUNCTION
1 Z2 18BK/LG GROUND
2 Z2 14BK/LG GROUND
3 Z2 16BK/LG GROUND
4 Z2 16BK/LG GROUND
5 Z2 14BK/LG GROUND
8W - 80 - 46 8W-80 CONNECTOR PIN-OUTSBR/BE