DODGE RAM 2003 Service Repair Manual

C307 (TAIL LAMP JUMPER) - (CHASSIS TO TAIL
LAMPS)
CAV CIRCUIT
1 L7 18 BK/YL
2-
3 Z151 18 BK
4 L22 18LB/WT
5 L62 18BR/RD
6 L1 18VT/BK
C307 (TAIL LAMP JUMPER) - (TAIL LAMPS TO
CHASSIS)
CAV CIRCUIT
1 L7 18BK/YL
2-
3 Z151 18BK
4 L22 18WT/LG
5 L62 18DG/RD
6 L1 18VT/BK
C308 - (BODY TO I/P)
CAV CIRCUIT
1 G74 20TN/RD
2 G72 20DG/OR (EXCEPT BASE)
3-
4 X80 18LB/BK
5 P96 20WT/LG (EXCEPT BASE)
6 G76 20TN/YL
7-
8 Y200 18TN/VY (EXCEPT BASE)
9 Y156 18TN/WT (EXCEPT BASE)
10 Y107 20VT/RD (EXCEPT BASE)
11 R53 18LG/YL
12 R55 18LG/DG
13 -
14 X94 18TN/VT
15 X92 18TN/BK
16 -
17 -
18 -
19 X82 18LB/RD
8W - 80 - 34 8W-80 CONNECTOR PIN-OUTSDR

C308 - WHITE (I/P TO BODY)
CAV CIRCUIT
1 G74 20TN/RD
2 G72 20DG/OR
3-
4 X80 18LB/BK
5 P96 20WT/LG
6 G76 20TN/YL
7-
8 Y200 18TN/VT
9 Y156 18TN/WT
10 Y107 20VT/RD
11 R53 18LG/YL
12 R55 18LG/DG
13 -
14 X94 18TN/VT
15 X92 18TN/BK
16 -
17 -
18 -
19 X82 18LB/VT
C309 - WHITE (I/P TO BODY)
CAV CIRCUIT
1-
2 P133 20TN/DG
3 P137 20VT/DG
4-
5 P140 20VT/BK
6 P134 20TN/LG
7 P138 20VT/LG
8 P139 20VT/WT
C309 - (BODY TO I/P)
CAV CIRCUIT
1-
2 P133 20TN/DG
3 P137 20VT/DG
4-
5 P140 20VT/BK
6 P134 20TN/LG
7 P138 20VT/LG
8 P139 20VY/WT
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 35

C310 (TAIL LAMP JUMPER) - (CHASSIS TO LEFT
TAIL)
CAV CIRCUIT
1 Y174 18PK/VT
2-
3 Z150 18BK
4 L24 18WT/LG
5 L63 18DG/RD
6 L1 18VT/BK
C310 (TAIL LAMP JUMPER) - (LEFT TAIL TO
CHASSIS)
CAV CIRCUIT
1 Y174 18PK/VT
2-
3 Z150 18BK
4 L24 18WT/LG
5 L63 18DG/RD
6 L1 18VT/BK
C311 (EXCEPT SLT+) - (SEAT TO BODY)
CAV CIRCUIT
1 Z238 14BK
2 F37 12RD/LB
3 G10 20LG/RD
4 Y148 16BR/YL
5 Z237 20BK/OR
6-
C311 (EXCEPT SLT+) - GRAY (BODY TO SEAT)
CAV CIRCUIT
1 Z238 14BK
2 F37 12RD/LB
3 G10 20LG/RD
4 Y148 16YL/RD
5 Z237 20BK/OR
6-
8W - 80 - 36 8W-80 CONNECTOR PIN-OUTSDR

C312 - WHITE (BODY TO RIGHT REAR DOOR)
CAV CIRCUIT
1 Z74 20BK
2 G76 20TN/YL
3 Y200 18TN/VT
4 Y156 18TN/WT
5 Q1 14YL
6 Q18 14GY/BK
7 Q28 14 DG/WT
8 X92 18TN/BK
9 X94 18TN/VT
10 -
C312 - WHITE (RIGHT REAR DOOR TO BODY)
CAV CIRCUIT
1 Z74 20BK
2 G76 20VT/OR
3 Y200 18TN/OR (EXCEPT BASE)
4 Y156 18TN/PK (EXCEPT BASE)
5 Q1 14YL (EXCEPT BASE)
6 Q18 14DB/WT (EXCEPT BASE)
7 Q28 14RD/BK (EXCEPT BASE)
8 X92 18WT/BK
9 X94 18WT/RD
10 -
C313 - DK GRAY (JUMPER TO DRIVER SEAT)
CAV CIRCUIT
1 F37 12RD/LB
2 Z238 14BK
3 P106 12DG/WT
4 P13 12RD/WT
5 P107 12OR/BK
6 Z88 14BK/LB
7 F37 12RD/LB
8 P11 12YL/WT
9 P17 12RD/LB
10 P15 12YL/LB
11 P21 12RD/LG
12 P19 12YL/LG
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 37

C313 - (DRIVER SEAT TO JUMPER)
CAV CIRCUIT
1 F37 12RD/LB
2 Z238 14BK
3 P106 12DG/WT
4 P13 12RD/WT
5 P107 12OR/BK
6 Z88 14BK/LB
7 F37 12RD/LB
8 P11 12YL/WT
9 P17 12RD/LB
10 P15 12YL/LB
11 P21 12RD/LG
12 P19 12YL/LG
C314 - DK GRAY (DRIVER SEAT TO JUMPER)
CAV CIRCUIT
1 Y148 16BR/YL
2 Z300 16BK/WT
C314 - (JUMPER TO DRIVER SEAT)
CAV CIRCUIT
1 Y148 16BR/YL
2 Z300 16BK/WT
C315 (HEATED/POWER SEAT) - DK GRAY
(DRIVER SEAT TO JUMPER)
CAV CIRCUIT
1 Z121 20BK/WT
2 P142 18TN/DB
3 F37 12RD/LB
4 P144 20BK/LG
5 P86 20PK/BK
6 Z238 14BK
8W - 80 - 38 8W-80 CONNECTOR PIN-OUTSDR

C315 - (JUMPER TO DRIVER SEAT)
CAV CIRCUIT
1 Z121 20BK/WT
2 P142 18TN/DB
3 P37 12RD/LB
4 P144 20BK/LG
5 P86 20PK/BK
6 Z238 14BK
C316 - (JUMPER TO PASSENGER SEAT)
CAV CIRCUIT
1 Z121 20BK/WT
2 P142 18TN/DB
3 F37 12RD/LB
4 P144 20BK/LG
5 P86 20PK/BK
6 Z238 14BK
C316 - (PASSENGER SEAT TO JUMPER)
CAV CIRCUIT
1 Z121 20BK/WT
2 P142 18TN/DB
3 F37 12RD/LB
4 P144 20BK/LG
5 P86 20PK/BK
6 Z238 14BK
C317 - (PASSENGER SEAT TO SEAT SWITCH)
CAV CIRCUIT
1 F37 12RD/LB
2 Z238 14BK
3 P105 12LG/DB
4 P10 12YL/WT
5 P104 12YL/LB
6 Z238 14BK
7 F37 12RD/LB
8 P12 12RD/WT
9 P16 12 RD/LB
10 P14 12YL/LB
11 P18 12YL/LG
12 P20 12RD/LG
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 39

C317 - (SEAT SWITCH PASSENGER SEAT)
CAV CIRCUIT
1 Z238 18BK
2 P105 12LG/DB
3 F37 12RD/LB
4 P104 12YL/LB
5 Z238 18BK
6-
C319 - (JUMPER TO POWER POINT)
CAV CIRCUIT
1 Y148 16BR/YL
2 Z300 16BK/WT
C319 - (POWER POINT TO JUMPER)
CAV CIRCUIT
1 Y148 18BR/YL
2 Z300 18BK/WT
C322 - DK GRAY (SEAT TO BODY)
CAV CIRCUIT
1 F235 18RD (SLT + HEATED POWER DRIVER SEAT)
1 Z300 16BK/WT (MANUAL DRIVER SEAT WITH POWER
POINT)
1 Z238 14BK (POWER DRIVER SEAT)
2 P137 20VT/DG (SLT+HEATED POWER DRIVER SEAT)
2 F37 12RD/LB (POWER DRIVER SEAT)
3 G10 20LG/RD (DRIVER POWER/MANUAL SEAT)
3 P133 20TN/DG (SLT+HEATED POWER DRIVER SEAT)
4 G10 20 LG/RD (SLT+HEATED POWER DRIVER SEAT)
4 Y148 16BR/YL (POWER DRIVER SEAT/DRIVER MANUAL
SEAT WITH POWER POINT
5 Z237 20BK/OR (POWER DRIVER SEAT)
5 P139 20VT/WT (SLT+HEATED POWER DRIVER SEAT)
6 P138 20VT/LG (SLT+HEATED POWER DRIVER SEAT)
7 Z238 14BK (SLT+HEATED POWER DRIVER SEAT)
8 F37 12RD/LB (SLT+HEATED POWER DRIVER SEAT)
9 P134 20TN/LG (SLT+HEATED POWER DRIVER SEAT)
10 P140 20VT/BK (SLT+HEATED POWER DRIVER SEAT)
11 Z237 20BK/OR (SLT+HEATED POWER DRIVER SEAT)
12 Z121 20BK/LG (SLT+HEATED POWER DRIVER SEAT)
13 -
14 Y148 16BR/YL (SLT+HEATED POWER DRIVER SEAT)
8W - 80 - 40 8W-80 CONNECTOR PIN-OUTSDR

C322 - (BODY TO SEAT)
CAV CIRCUIT
1 F235 18RD
2 P137 20VT/DG
3 P133 20TN/DG
4 G10 20LG/RD
5 P139 20VT/WT
6 P138 20VT/LG
7 Z238 14BK
8 F37 12RD/LB
9 P134 20TN/LG
10 P140 20VT/BK
11 Z237 20BK/OR
12 Z121 20BK/LG
13 -
14 Y148 16YL/RD
C323 - (JUMPER TO PASSENGER LUMBAR)
CAV CIRCUIT
1 Z238 18BK
2 P105 12LG/DB
3 F37 12RD/LB
4 P104 12YL/LB
5 Z238 18BK
6-
C323 - (PASSENGER LUMBAR TO JUMPER)
CAV CIRCUIT
1 Z238 18BK
2 P105 12LG/DB
3 F37 12RD/LB
4 P104 12YL/LB
5 Z238 18BK
6-
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 41

C327 - BLACK (CHASSIS TO
DUAL-REAR-WHEELS)
CAV CIRCUIT
1 Y174 20PK/VT
2 Z57 20BK
C327 - BLACK (DUAL-REAR-WHEELS TO
CHASSIS)
CAV CIRCUIT
1 Y174 18PBK/YL
2 Z57 18BK
C328 - BLACK (CHASSIS TO
DUAL-REAR-WHEELS
CAV CIRCUIT
1 L7 20BK/YL
2 Z48 20BK
C328 - BLACK (DUAL-REAR-WHEELS TO
CHASSIS)
CAV CIRCUIT
1 Y174 18PK/VT
2 Z57 18BK
CAMSHAFT POSITION SENSOR (DIESEL)-3WAY
CAV CIRCUIT FUNCTION
1 K72 18DG/OR 5 VOLTS SUPPLY
2 K55 18LB/WT MASS AIR FLOW SENSOR SIGNAL
3 K53 18DB/RD MASS AIR FLOW SENSOR SIGNAL RETURN
CAMSHAFT POSITION SENSOR (GAS) - GRAY 3 WAY
CAV CIRCUIT FUNCTION
1 K44 18TN/YL CAMSHAFT POSITION SENSOR SIGNAL
1 K44 18TN/YL (4.7L/5.7L) CMP SIGNAL
2 K4 20BK/LB (5.9L) 5 VOLT SUPPLY
2 K4 18BK/LB (3.7L) SENSOR GROUND
2 K4 20BK/LB (4.7L/5.7L) SENSOR GROUND
3 K7 18OR (3.7L) 5 VOLT SUPPLY
3 K7 20OR (5.9L) 5 VOLT SUPPLY
3 K6 20VT/WT (4.7L/5.7L) 5 VOLT SUPPLY
8W - 80 - 42 8W-80 CONNECTOR PIN-OUTSDR

CAPACITOR - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 A142 16DG/OR AUTO SHUT DOWN RELAY OUTPUT
2- -
CENTER HIGH MOUNTED STOP LAMP/CARGO LAMP-4WAY
CAV CIRCUIT FUNCTION
1 F32 18RD/YL FUSED B(+)
2 M3 20PK/DB CARGO LAMP DRIVER
3 Z56 18BK GROUND
4 L50 18WT/TN BRAKE LAMP SWITCH OUTPUT
CIGAR LIGHTER OUTLET - RED 3 WAY
CAV CIRCUIT FUNCTION
1 F30 18RD FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
2- -
3 Z301 18TN/BK GROUND
CLEARANCE LAMP NO. 1 (HEAVY DUTY)-2WAY
CAV CIRCUIT FUNCTION
1 L7 20BK/YL HEADLAMP SWITCH OUTPUT
2 Z253 20BK/RD GROUND
CLEARANCE LAMP NO. 2 (HEAVY DUTY)-2WAY
CAV CIRCUIT FUNCTION
1 L7 20BK/YL HEADLAMP SWITCH OUTPUT
2 Z253 20BK/RD GROUND
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 43