DODGE RAM 2002 Service Repair Manual

JUNCTION BLOCK C7 - LT. GRAY 13 WAY
CAV CIRCUIT FUNCTION
7 P132 16OR/BK (BASE/MIDLINE) HEATED SEAT ENABLE
8 Z2 22BK/LG GROUND
9 M1 22PK FUSED B(+)
10 F35 18RD FUSED B(+)
11 F35 22RD FUSED B(+)
12 A35 16DB FUSED B(+)
13 L6 16RD/GY FLASHER OUTPUT
JUNCTION BLOCK C8 - ORANGE 8 WAY
CAV CIRCUIT FUNCTION
1 F30 18RD/OR FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
2- -
3- -
4 F73 20YL FUSED B(+)
5- -
6- -
7 F37 16RD/LB (EXCEPT BASE/LOW-
LINE)FUSED B(+)
8 F21 14TN FUSED IGNITION SWITCH OUTPUT (RUN)
JUNCTION BLOCK C9 - NATURAL 4 WAY
CAV CIRCUIT FUNCTION
1 F15 18DB FUSED IGNITION SWITCH OUTPUT (RUN)
2 A22 14BK/OR FUSED IGNITION SWITCH OUTPUT (RUN)
3 A21 12DB FUSED IGNITION SWITCH OUTPUT (RUN-START)
4 A31 12BK/WT FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
LEAK DETECTION PUMP (GAS) - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1- -
2 T125 18DB GENERATOR SOURCE
3 K106 18WT/DG LEAK DETECTION PUMP SOLENOID CONTROL
4 K107 18OR LEAK DETECTION PUMP SWITCH SENSE
8W - 80 - 56 8W-80 CONNECTOR PIN-OUTSBR/BE

LEFT BACK-UP LAMP - GRAY 2 WAY
CAV CIRCUIT FUNCTION
1 Z13 18BK GROUND
2 L1 18VT/BK BACK-UP LAMP FEED
LEFT FOG LAMP - WHITE 2 WAY
CAV CIRCUIT FUNCTION
A L34 20RD/OR FUSED B(+)
B L39 20LB FOG LAMP SWITCH OUTPUT
LEFT FRONT DOOR SPEAKER (PREMIUM) - 10 WAY
CAV CIRCUIT FUNCTION
1 X83 20YL/RD AMPLIFIED HIGH LEFT FRONT SPEAKER (+)
2 X81 20YL/BK AMPLIFIED HIGH LEFT FRONT SPEAKER (-)
3 X53 18DG LEFT FRONT SPEAKER (+)
4 X55 18BR/RD LEFT FRONT SPEAKER (-)
5 X91 18WT/DG AMPLIFIED LOW LEFT REAR SPEAKER (-)
6 X93 18WT/VT AMPLIFIED LOW LEFT REAR SPEAKER (+)
7 X13 16BK/RD RADIO CHOKE RELAY OUTPUT
8 Z9 16BK/VT GROUND
9 X51 18BR/YL LEFT REAR SPEAKER (+)
10 X57 18BR/LB LEFT REAR SPEAKER (-)
LEFT FRONT DOOR SPEAKER (STANDARD)-2WAY
CAV CIRCUIT FUNCTION
A X55 20BR/RD LEFT FRONT SPEAKER (-)
B X53 20DG LEFT FRONT SPEAKER (+)
LEFT FRONT FENDER LAMP (DUAL REAR WHEELS) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 L7 18BK/YL HEADLAMP SWITCH OUTPUT
2 Z13 18BK GROUND
BR/BE8W-80 CONNECTOR PIN-OUTS 8W - 80 - 57

LEFT FRONT WHEEL SPEED SENSOR (ABS)-2WAY
CAV CIRCUIT FUNCTION
1 B8 20RD/GY LEFT FRONT WHEEL SPEED SENSOR (-)
2 B9 20RD LEFT FRONT WHEEL SPEED SENSOR (+)
LEFT HEADLAMP - BLUE 3 WAY
CAV CIRCUIT FUNCTION
C L33 18LG/BR HIGH BEAM HEADLAMP DRIVER
B- -
A L45 18PK/RD FUSED B(+)
LEFT LICENSE LAMP - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 L7 18BK/YL HEADLAMP SWITCH OUTPUT
2 Z13 18BK GROUND
LEFT OUTBOARD CLEARANCE LAMP-2WAY
CAV CIRCUIT FUNCTION
1 L7 18BK/YL HEADLAMP SWITCH OUTPUT
2 Z4 18BK GROUND
LEFT OUTBOARD HEADLAMP - BLUE 3 WAY
CAV CIRCUIT FUNCTION
A L43 18VT FUSED B(+)
B L43 18VT (QUAD HEADLAMP) FUSED B(+)
A L4 20VT/WT (QUAD HEADLAMP) DIMMER SWITCH LOW BEAM OUTPUT
B L4 20VT/WT DIMMER SWITCH LOW BEAM OUTPUT
C L3 20RD/OR DIMMER SWITCH HIGH BEAM OUTPUT
8W - 80 - 58 8W-80 CONNECTOR PIN-OUTSBR/BE

LEFT OUTBOARD IDENTIFICATION LAMP-2WAY
CAV CIRCUIT FUNCTION
1 L7 18BK/YL HEADLAMP SWITCH OUTPUT
2 Z4 18BK GROUND
LEFT PARK/TURN SIGNAL LAMP - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 Z1 18BK GROUND
2 L7 18BK/YL PARK LAMP RELAY OUTPUT
3 L61 18LG/TN LEFT TURN SIGNAL
LEFT POWER MIRROR-6WAY
CAV CIRCUIT FUNCTION
1 P71 22YL LEFT MIRROR UP DRIVER
2 P75 22DB/WT LEFT MIRROR LEFT DRIVER
3 P73 22YL/PK LEFT MIRROR COMMON DRIVER (RIGHT/DOWN)
4 C16 20LB/YL HEATED MIRROR
5 Z2 20BK/LG GROUND
6- -
LEFT REAR FENDER LAMP (DUAL REAR WHEELS) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 L7 18BK/YL HEADLAMP SWITCH OUTPUT
2 Z13 18BK GROUND
LEFT REAR SPEAKER (PREMIUM 2 DOOR) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 X93 18WT/VT AMPLIFIED LOW LEFT REAR SPEAKER (+)
2 X91 18WT/DG AMPLIFIED LOW LEFT REAR SPEAKER (-)
BR/BE8W-80 CONNECTOR PIN-OUTS 8W - 80 - 59

LEFT REAR SPEAKER (PREMIUM 4 DOOR)-2WAY
CAV CIRCUIT FUNCTION
1 X57 18BR/LB AMPLIFIED LOW LEFT REAR SPEAKER (-)
2 X51 18BR/YL AMPLIFIED LOW LEFT REAR SPEAKER (+)
LEFT REAR SPEAKER (STANDARD 2 DOOR)-2WAY
CAV CIRCUIT FUNCTION
A X57 18BR/LB LEFT REAR SPEAKER (-)
B X51 18BR/YL LEFT REAR SPEAKER (+)
LEFT REAR SPEAKER (STANDARD 4 DOOR)-2WAY
CAV CIRCUIT FUNCTION
A X57 18BR/LB LEFT REAR SPEAKER (-)
B X51 18BR/YL LEFT REAR SPEAKER (+)
LEFT REMOTE RADIO SWITCH-2WAY
CAV CIRCUIT FUNCTION
1 Z2 22BK/LG GROUND
2 X20 22RD/BK RADIO CONTROL MUX
LEFT SPEED CONTROL SWITCH-2WAY
CAV CIRCUIT FUNCTION
1 K4 22WT SENSOR GROUND
2 V37 22DG/RD SPEED CONTROL SWITCH SIGNAL
2 V37 22DG/RD SPEED CONTROL SWITCH SIGNAL
8W - 80 - 60 8W-80 CONNECTOR PIN-OUTSBR/BE

LEFT TAIL/STOP/TURN SIGNAL LAMP - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 Z13 18BK GROUND
2 L7 18BK/YL PARK LAMP RELAY OUTPUT
3 L63 18DG/BR LEFT TURN SIGNAL
LEFT TWEETER (PREMIUM)-2WAY
CAV CIRCUIT FUNCTION
1 X83 20YL/RD AMPLIFIED HIGH LEFT FRONT SPEAKER (+)
2 X81 20YL/BK AMPLIFIED HIGH LEFT FRONT SPEAKER (-)
LEFT VISOR/VANITY LAMP - BLACK 2 WAY
CAV CIRCUIT FUNCTION
A M1 20PK FUSED B(+)
B Z4 20BK GROUND
LOW NOTE HORN - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 X2 18DG/RD HORN RELAY OUTPUT
2 Z1 18BK GROUND
MANIFOLD ABSOLUTE PRESSURE SENSOR (5.9L)-3WAY
CAV CIRCUIT FUNCTION
1 K4 20BK/LB SENSOR GROUND
2 K1 18DG/RD MAP SENSOR SIGNAL
3 K6 20VT/WT 5V SUPPLY
BR/BE8W-80 CONNECTOR PIN-OUTS 8W - 80 - 61

MANIFOLD ABSOLUTE PRESSURE SENSOR (8.0L)-3WAY
CAV CIRCUIT FUNCTION
1 K6 20VT/WT 5V SUPPLY
2 K4 20BK/LB SENSOR GROUND
3 K1 18DG/RD MAP SENSOR SIGNAL
MANIFOLD ABSOLUTE PRESSURE SENSOR (DIESEL)-3WAY
CAV CIRCUIT FUNCTION
A K7 18OR 5V SUPPLY
B K104 18BK/LB SENSOR GROUND
C G12 18GY/RD MANIFOLD ABSOLUTE PRESSURE SENSOR SIGNAL
MULTI-FUNCTION SWITCH - 24 WAY
CAV CIRCUIT FUNCTION
1 V9 16WT/DB WIPER SWITCH MODE SIGNAL
2 V8 16VT WIPER SWITCH MODE SENSE
3 V10 16BR WASHER SWITCH SENSE
4 V6 16DB FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
5 V4 16RD/YL WIPER SWITCH HIGH SPEED OUTPUT
6 V3 16BR/WT LOW SPEED WIPER SWITCH OUTPUT
7 V49 16RD/BK DRIVER LOW SPEED WIPER MOTOR DRIVER
8 V49 16RD/BK DRIVER LOW SPEED WIPER MOTOR DRIVER
9 V3 16BR/WT LOW SPEED WIPER SWITCH OUTPUT
10 - -
11 L60 18TN RIGHT TURN SIGNAL
12 L62 16BR/RD RIGHT TURN SIGNAL
13 L19 16PK HAZARD FLASHER SIGNAL
14 L50 16WT/TN BRAKE LAMP SWITCH OUTPUT
15 L63 16DG/RD LEFT TURN SIGNAL
16 L61 18LG LEFT TURN SIGNAL
17 L6 16RD/GY FLASHER OUTPUT
18 L4 18VT/WT DIMMER SWITCH LOW BEAM OUTPUT
19 L2 18LG HEADLAMP SWITCH OUTPUT
20 L3 14RD/OR DIMMER SWITCH HIGH BEAM OUTPUT
21 Z3 16BK/OR GROUND
22 - -
23 - -
24 - -
8W - 80 - 62 8W-80 CONNECTOR PIN-OUTSBR/BE

OUTPUT SPEED SENSOR - DK. BLUE 2 WAY
CAV CIRCUIT FUNCTION
1 T14 18LG/BK OUTPUT SPEED SENSOR SIGNAL
2 T13 18DB/BK OUTPUT SPEED SENSOR GROUND
OVERDRIVE SWITCH-2WAY
CAV CIRCUIT FUNCTION
1 T6 22OR/WT OVERDRIVE OFF SWITCH SENSE
2 Z2 22BK/LG GROUND
OVERHEAD CONSOLE (BASE)-3WAY
CAV CIRCUIT FUNCTION
1 Z2 20BK/LG GROUND
2 M1 22PK FUSED B(+)
3 M2 22YL COURTESY LAMPS DRIVER
OVERHEAD CONSOLE (HIGHLINE) - 12 WAY
CAV CIRCUIT FUNCTION
1 F12 20DB/WT FUSED IGNITION SWITCH OUTPUT (RUN-START)
2 D1 20VT/BR CCD BUS(+)
3 G31 22VT/LG AMBIENT TEMPERATURE SENSOR SIGNAL
4 Z2 20BK/LG GROUND
5 M1 20PK FUSED B(+)
6 M2 22YL COURTESY LAMPS DRIVER
7 Z2 20BK/LG GROUND
8 D2 20WT/BK CCD BUS(-)
9 G32 22BK/LB SENSOR GROUND
10 - -
11 G69 22BK VTSS INDICATOR DRIVER
12 - -
OXYGEN SENSOR 1/1 LEFT BANK UP (5.9L HD/8.0L)-4WAY
CAV CIRCUIT FUNCTION
1 A141 18DG/WT AUTOMATIC SHUT DOWN RELAY OUTPUT
2 Z11 18BK/WT GROUND
3 K4 18BK/LB SENSOR GROUND
4 K41 18BK/DG OXYGEN SENSOR 1/1 SIGNAL
BR/BE8W-80 CONNECTOR PIN-OUTS 8W - 80 - 63

OXYGEN SENSOR 1/1 LEFT BANK UP (CALIFORNIA)-4WAY
CAV CIRCUIT FUNCTION
1 K199 18BR/VT OXYGEN SENSOR 1/1 HEATER CONTROL
2 A141 18DG/WT FUSED OXYGEN SENSOR UPSTREAM RELAY OUTPUT
3 K141 18TN/WT OXYGEN SENSOR 1/1 SIGNAL
4 K4 18BK/LB SENSOR GROUND
OXYGEN SENSOR 1/1 UPSTREAM (A/T EXCEPT 8.0L)-4WAY
CAV CIRCUIT FUNCTION
1 A141 18DG/WT AUTOMATIC SHUT DOWN RELAY OUTPUT
2 K199 18BR/VT OXYGEN SENSOR 1/1 HEATER CONTROL
3 K4 18BK/LB SENSOR GROUND
4 K141 18TN/WT OXYGEN SENSOR 1/1 SIGNAL
OXYGEN SENSOR 1/1 UPSTREAM (M/T EXCEPT 8.0L)-4WAY
CAV CIRCUIT FUNCTION
1 A141 18DG/WT AUTOMATIC SHUT DOWN RELAY OUTPUT
2 K199 18BR/VT OXYGEN SENSOR 1/1 HEATER CONTROL
3 K4 18BK/LB SENSOR GROUND
4 K141 18TN/WT OXYGEN SENSOR 1/1 SIGNAL
OXYGEN SENSOR 1/2 DOWNSTREAM (A/T EXCEPT 8.0L)- 4 WAY
CAV CIRCUIT FUNCTION
1 A141 18DG/WT AUTOMATIC SHUT DOWN RELAY OUTPUT
2 K299 18BR/WT OXYGEN SENSOR 1/2 HEATER CONTROL
3 K4 18BK/LB GROUND
4 K341 18OR/BK OXYGEN SENSOR 1/1 SIGNAL
OXYGEN SENSOR 1/2 LEFT BANK DOWN (CALIFORNIA)-4WAY
CAV CIRCUIT FUNCTION
1 A341 18DG/YL OXYGEN SENSOR DOWNSTREAM RELAY OUTPUT
2 Z11 18BK/WT GROUND
3 K4 18BK/LB SENSOR GROUND
4 K341 18OR/BK OXYGEN SENSOR 1/2 SIGNAL
8W - 80 - 64 8W-80 CONNECTOR PIN-OUTSBR/BE

OXYGEN SENSOR 1/2 PRE-CATALYST (8.0L)-4WAY
CAV CIRCUIT FUNCTION
1 A341 18DG/YL AUTOMATIC SHUT DOWN RELAY OUTPUT
2 Z11 18BK/WT GROUND
3 K4 18BK/LB SENSOR GROUND
4 K141 18TN/WT OXYGEN SENSOR 1/2 SIGNAL
OXYGEN SENSOR 1/3 POST CATALYST (8.0L)-4WAY
CAV CIRCUIT FUNCTION
1 A341 18DG/YL AUTOMATIC SHUT DOWN RELAY OUTPUT
2 Z11 18BK/WT GROUND
3 K4 18BK/LB SENSOR GROUND
4 K341 18OR/BK OXYGEN SENSOR 1/3 SIGNAL
OXYGEN SENSOR 2/1 RIGHT BANK UP (5.9L HD/5.9L/8.0L CALIFORNIA)
CAV CIRCUIT FUNCTION
1 A141 18DG/WT AUTOMATIC SHUT DOWN RELAY OUTPUT
2 Z11 18BK/WT GROUND
2 K299 18BR/WT(CALIFORNIA) OXYGEN SENSOR 2/1 HEATER CONTROL
3 K4 18BK/LB SENSOR GROUND
4 K241 18LG/RD OXYGEN SENSOR 2/1 SIGNAL
OXYGEN SENSOR 2/2 RIGHT BANK DOWN (CALIFORNIA)-4WAY
CAV CIRCUIT FUNCTION
1 A341 18DG/YL OXYGEN SENSOR DOWNSTREAM RELAY OUTPUT
2 Z11 18BK/WT GROUND
3 K4 18BK/LB SENSOR GROUND
4 K441 18OR/TN OXYGEN SENSOR 2/2 SIGNAL
PARK/NEUTRAL POSITION SWITCH (A/T)-3WAY
CAV CIRCUIT FUNCTION
1 L10 18BR/LG FUSED IGNITION SWITCH OUTPUT (RUN)
2 T41 18BK/WT PARK/NEUTRAL POSITION SWITCH SENSE
3 L1 18VT/BK BACK-UP LAMP FEED
BR/BE8W-80 CONNECTOR PIN-OUTS 8W - 80 - 65