2003 DODGE RAM transmission

POWERTRAIN CONTROL MODULE - C3 (DIESEL) - 32 WAY
CAV CIRCUIT FUNCTION
1- -
2- -
3- -
4 V36 18TN/RD SPEED CONTROL VACUUM SOLENOID CONTROL
5 V35 18LG/RD SPEED CONTROL VENT SOLENOID CONTROL
6- -
7- -
8- -
9- -
10 - -
11 V32 18YL/RD SPEED CONTROL SUPPLY
12 T16 14RD TRANSMISSION CONTROL RELAY OUTPUT
13 T6 18OR/WT OVERDRIVE OFF SWITCH SENSE
14 - -
15 - -
16 - -
17 - -
18 - -
19 - -
20 - -
21 - -
22 - -
23 - -
24 K29 18WT/PK BRAKE SWITCH SENSE
25 - -
26 - -
27 D15 18WT/DG SCI TRANSMIT
28 - -
29 D6 18PK/LB SCI RECEIVE
30 D25 18VT/BR PCI BUS
31 - -
32 V37 18RD/LG SPEED CONTROL SWITCH SIGNAL
8W - 80 - 86 8W-80 CONNECTOR PIN-OUTSDR

POWERTRAIN CONTROL MODULE C2 (JTEC) - WHITE 32 WAY
CAV CIRCUIT FUNCTION
1 T54 18VT (5.9L/8.0L) TRANSMISSION TEMPERATURE SENSOR SIGNAL
2 K26 18VT/TN (5.9L/8.0L) FUEL INJECTOR NO. 7 DRIVER
3 K115 18TN (8.0L) FUEL INJECTOR NO.9 DRIVER
4 K11 18WT/DB FUEL INJECTOR NO. 1 DRIVER
5 K13 18YL/WT FUEL INJECTOR NO. 3 DRIVER
6 K38 18GY FUEL INJECTOR NO. 5 DRIVER
7 K97 18BR (4.7L) COIL DRIVER NO. 7
8 K88 18VT/WT (5.9L) GOVERNOR PRESSURE SOLENOID CONTROL
9 K92 18TN/PK (3.7L) COIL DRIVER NO. 2
10 K20 18DG GENERATOR FIELD
11 K54 18OR/BK (5.9L) TORQUE CONVERTER CLUTCH SOLENOID CONTROL
12 K58 18BR/DB FUEL INJECTOR NO. 6 DRIVER
13 K28 18GY/LB (5.9L/8.0L) FUEL INJECTOR NO. 8 DRIVER
14 K116 18WT/DB (8.0L) FUEL INJECTOR NO.10 DRIVER
15 K12 18TN FUEL INJECTOR NO. 2 DRIVER
16 K14 18LB/BR FUEL INJECTOR NO. 4 DRIVER
17 Y145 18DB/YL CONDENSER FAN RELAY CONTROL
18 - -
19 C18 18DB A/C PRESSURE SIGNAL
20 - -
21 T60 18BR (5.9L/8.0L) 3-4 SHIFT SOLENOID CONTROL
22 - -
23 G60 18GY/YL ENGINE OIL PRESSURE SENSOR SIGNAL
24 - -
25 T13 18DB/BK (5.9L8.0L) SPEED SENSOR GROUND
26 - -
27 G7 18WT/OR VEHICLE SPEED SIGNAL
28 T14 18LG/WT (5.9L/8.0L) OUTPUT SPEED SENSOR SIGNAL
29 T25 18LG/RD (5.9L/8.0L) GOVERNOR PRESSURE SENSOR SIGNAL
30 K30 18PK (5.9L/8.0L) TRANSMISSION CONTROL RELAY CONTROL
31 K6 18VT/WT 5 VOLT SUPPLY
32 - -
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 89

POWERTRAIN CONTROL MODULE C4 (NGC) - GREEN 38 WAY
CAV CIRCUIT FUNCTION
1 T60 18BR (4.7L) OVERDRIVE SOLENOID CONTROL
2 T159 18DG/WT (4.7L) 4C SOLENOID CONTROL
3 Y207 18RD/WT (5.7L) TPS NO. 1 OUTPUT
4 T140 18VT/LG (4.7L) PRESSURE CONTROL SOLENOID CONTROL
5 Y208 18DB/YL (5.7L) APPS NO. 1 OUTPUT
6 T119 18WT/DB (4.7L) 2C SOLENOID CONTROL
7 T10 18YL/DG (5.7L) TORQUE MANAGEMENT REQUEST SENSE
8 T59 18PK (4.7L) UNDERDRIVE SOLENOID CONTROL
9 Y209 18TN/BK (5.7L) SENSOR GROUND
10 T120 18LG (4.7L) LR SOLENOID CONTROL
11 T118 18YL/DB (4.7L) PRESSURE CONTROL SOLENOID CONTROL
11 Y210 18YL/RD (5.7L EATX) RPM SIGNAL
12 Z13 16BK/RD (4.7L) GROUND
13 Z13 16BK/RD (4.7L) GROUND
14 Z13 16BK/RD (4.7L) GROUND
15 T1 18LG/BK (4.7L) TRS T1 SENSE
16 T3 18VT (4.7L) TRS T3 SENSE
17 T6 18OR/WT (4.7L) OVERDRIVE OFF SWITCH SENSE
18 K30 18PK (4.7L) TRANSMISSION CONTROL RELAY CONTROL
19 T16 16RD (4.7L) TRANSMISSION CONTROL RELAY OUTPUT
20 T48 18DB (4.7L) 4C PRESSURE SWITCH SENSE
21 T29 18GY (4.7L) UNDERDRIVE PRESSURE SWITCH SENSE
22 T9 18OR/BK (4.7L) OVERDRIVE PRESSURE SWITCH SENSE
23 - -
24 - -
25 - -
26 T4 18PK/OR (4.7L) TRS T2 SENSE
27 - -
28 T16 16RD (4.7L) TRANSMISSION CONTROL RELAY OUTPUT
29 T50 18DG (4.7L) LOW/REVERSE PRESSURE SWITCH SENSE
30 T147 18LB (4.7L) 2C PRESSURE SWITCH SENSE
31 T38 18VT/TN (4.7L) LINE PRESSURE SENSOR SIGNAL
32 T14 18LG/WT (4.7L) OUTPUT SPEED SENSOR SIGNAL
33 T52 18RD/BK (4.7L) INPUT SPEED SENSOR SIGNAL
34 T13 18DB/BK (4.7L) SPEED SENSOR GROUND
35 T54 18VT (4.7L) TRANSMISSION TEMPERATURE SENSOR SIGNAL
36 - -
37 T42 18VT/WT (4.7L) TRS T42 SENSE
38 T16 16RD (4.7L) TRANSMISSION CONTROL RELAY OUTPUT
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 93

TRANSMISSION CONTROL MODULE - BLACK 60 WAY
CAV CIRCUIT FUNCTION
1 T1 18LG/BK TRS T1 SENSE
2 T4 18PK/OR TRS T2 SENSE
3 T3 18VT TRS T3 SENSE
4- -
5- -
6 Y210 18YL/RD (5.7L) EATX RPM SIGNAL
6 K24 18GY/BK (3.7L) CRANKSHAFT POSITION SENSOR SIGNAL
7 D15 18WT/DG SCI TRANSMIT (TCM)
8 A41 16YL FUSED IGNITION SWITCH OUTPUT (START)
9 T9 18OR/BK OVERDRIVE PRESSURE SWITCH SENSE
10 T10 18YL/DG TORQUE MANAGEMENT REQUEST SENSE
11 A51 16RD/WT FUSED IGNITION SWITCH OUTPUT (RUN-START)
12 Y208 18DB/YL (5.7L) APPS NO.1 OUTPUT
12 K22 18OR/DB (3.7L) THROTTLE POSITION SENSOR SIGNAL
13 T13 18DB/BK SPEED SENSOR GROUND
14 T14 18LG/WT OUTPUT SPEED SENSOR SIGNAL
15 K30 19PK TRANSMISSION CONTROL RELAY CONTROL
16 T16 16RD TRANSMISSION CONTROL RELAY OUTPUT
17 T16 16RD TRANSMISSION CONTROL RELAY OUTPUT
18 T118 18YL/DB PRESSURE CONTROL SOLENOID CONTROL
19 T119 18WT/DB 2C SOLENOID CONTROL
20 T120 18LG LR SOLENOID CONTROL
21 - -
22 - -
23 - -
24 - -
25 - -
26 - -
27 - -
28 B22 20DG/YL (5.7L) VEHICLE SPEED SIGNAL
28 G7 18WT/OR (3.7L) VEHICLE SPEED SIGNAL
29 T29 18GY UNDERDRIVE PRESSURE SWITCH SENSE
30 T38 18VT/TN LINE PRESSURE SENSOR SIGNAL
31 - -
32 - -
33 - -
34 - -
35 - -
36 T16 16RD TRANSMISSION CONTROL RELAY OUTPUT
37 Z13 16BK/RD GROUND
38 T39 18GY/LB 5 VOLT SUPPLY
39 Z13 16BK/RD GROUND
40 T140 18VT/LG MS SOLENOID CONTROL
41 T41 18BK/WT TRS T41 SENSE(C1)
42 T42 18VT/WT TRS T42 SENSE
43 D25 20VT/OR PCI BUS
44 - -
45 Y207 18RD/WT (5.7L) TPS NO.1 OUTPUT
46 D6 18PK/LB SCI TRANSMIT
47 T147 18LB 2C PRESSURE SWITCH SENSE
48 T48 18DB 4C PRESSURE SWITCH SENSE
49 T6 20OR/WT OVERDRIVE OFF SWITCH SENSE
50 T50 18DG LOW/REVERSE PRESSURE SWITCH SENSE
51 Y209 18TN/BK (5.7L) SENSOR GROUND
51 K4 18BK/LB (3.7L) SENSOR GROUND
8W - 80 - 104 8W-80 CONNECTOR PIN-OUTSDR

TRANSMISSION CONTROL MODULE - BLACK 60 WAY
CAV CIRCUIT FUNCTION
52 T52 18RD/BK INPUT SPEED SENSOR SIGNAL
53 Z113 18BK GROUND
54 T54 18VT TRANSMISSION TEMPERATURE SENSOR SIGNAL
55 T59 18PK UNDERDRIVE SOLENOID CONTROL
56 A61 16DG/BK FUSED B(+)
57 Z13 16BK/RD GROUND
58 - -
59 T159 18DG/WT 4C SOLENOID CONTROL
60 T60 18BR OVERDRIVE SOLENOID CONTROL
TRANSMISSION RANGE SENSOR (5.9L/DIESEL) - BLACK 6 WAY
CAV CIRCUIT FUNCTION
1 L10 18BR/LG FUSED IGNITION SWITCH OUTPUT (RUN)
2 Y193 20YL/RD TRANS RANGE SENSOR ELECTRONIC CLUSTER MUX
3- -
4 L1 18VT/BK BACKUP LAMP FEED
5 Y128 20DG/GY TRANS RANGE SENSOR ELECTRONIC CLUSTER 5
VOLT SUPPLY
6 T24 20BR/YL PARK/NEUTRAL POSITION SWITCH SENSE (T41)
TRANSMISSION SOLENOID ASSEMBLY (5.9L/8.0L)-8WAY
CAV CIRCUIT FUNCTION
1 T16 16RD TRANSMISSION CONTROL RELAY OUTPUT
2 K6 18VT/WT 5 VOLT SUPPLY
3 K4 18BK/LB SENSOR GROUND
4 T25 18LG/RD GOVERNOR PRESSURE SENSOR SIGNAL
5 K88 18VT/WT GOVERNOR PRESSURE SOLENOID CONTROL
6 T60 18BR 3-4 SHIFT SOLENOID CONTROL
7 K54 18OR/BK TORQUE CONVERTER CLUTCH SOLENOID CONTROL
8 T54 18VT TRANSMISSION TEMPERATURE SENSOR SIGNAL
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 105

TRANSMISSION SOLENOID/TRS ASSEMBLY (3.7L/4.7L/5.7L) - BLACK 23 WAY
CAV CIRCUIT FUNCTION
1 L10 18BR/LG FUSED IGNITION SWITCH OUTPUT (RUN)
2 T120 18LG LR SOLENOID CONTROL
3 T24 18BR/YL TRS T41 SENSE
4 T41 18BK/WT (5.7L) TRS T41 SENSE
4 T24 20BR/YL (4.7L) TRS T41 SENSE
5 T42 18VT/WT TRS T42 SENSE
6 L1 18VT/BK BACK-UP LAMP FEED
7 T60 18BR OVERDRIVE SOLENOID CONTROL
8 T3 18VT TRS T3 SENSE
9 T1 18LG/BK TRS T1 SENSE
10 T16 16RD TRANSMISSION CONTROL RELAY OUTPUT
11 T48 18DB 4C PRESSURE SWITCH SENSE
12 T118 18YL/DB PRESSURE CONTROL SOLENOID CONTROL
13 T4 18PK/OR TRS T2 SENSE
14 T50 18DG LOW/REVERSE PRESSURE SWITCH SENSE
15 T147 18LB 2C PRESSURE SWITCH SENSE
16 T9 18OR/BK OVERDRIVE PRESSURE SWITCH SENSE
17 T59 18PK UNDERDRIVE SOLENOID CONTROL
18 T29 18GY UNDERDRIVE PRESSURE SWITCH SENSE
19 T159 18DG/WT 4C SOLENOID CONTROL
20 T119 18WT/DB 2C SOLENOID CONTROL
21 T140 18VT/LG PRESSURE CONTROL SOLENOID CONTROL
22 T13 18DB/BK (5.7L) SPEED SENSOR GROUND
22 K4 18BK/LB (4.7L) SENSOR GROUND
23 T54 18VT TRANSMISSION TEMPERATURE SENSOR SIGNAL
UNDERHOOD LAMP - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 Z235 20LB/BK GROUND
2 M1 18PK FUSED B(+)
VACUUM PUMP (DIESEL)-4WAY
CAV CIRCUIT FUNCTION
1- -
2 Y135 18LG/BK FUSED IGNITION SWITCH OUTPUT (RUN-START)
3- -
4 Z11 18BK/WT GROUND
8W - 80 - 106 8W-80 CONNECTOR PIN-OUTSDR

8W-91 CONNECTOR/GROUND/SPLICE LOCATION
TABLE OF CONTENTS
page
CONNECTOR/GROUND/SPLICE LOCATION
DESCRIPTION..........................1
CONNECTOR/GROUND/SPLICE
LOCATION
DESCRIPTION
This section provides illustrations identifying con-
nector, ground, and splice locations in the vehicle.
Connector, ground, and splice indexes are provided.Use the wiring diagrams in each section for connec-
tor, ground, and splice identification. Refer to the
index for the proper figure number. For items that
are not shown in this section N/S is placed in the
Fig. column.
CONNECTORS
CONNECTOR NAME/NUMBER COLOR LOCATION FIG.
4WD Switch (Manual Transfer
Case)BK Near T/O for Backup Lamp Switch 16
A/C Compressor Clutch BK At A/C Compressor 3, 5, 8, 9, 10
A/C Pressure Transducer BK Left Side of A/C Compressor 3, 5, 8, 9, 10
A/C-Heater Control C1 BK Center of Instrument Panel 36, 37, 38
A/C-Heater Control C2 BK Center of Instrument Panel 36, 37
Adjustable Pedal Motor WT Left of Instrument Panel 33
Adjustable Pedal Switch BL Left of Instrument Panel 37, 39
Airbag Control Module YL Lower Center of Instrument Panel 37, 38
Airbag Control Module-Left Side
ImpactYL Left B-Pillar 44, 45
Airbag Control Module-Right Side
ImpactYL Right B-Pillar N/S
Airbag-Driver Squib 1 YL On Steering Wheel 32
Airbag-Left Curtain Squib YL Top Left B-Pillar 44, 45
Airbag-Passenger Squib 1 YL Right Front of Instrument Panel 37, 40
Airbag-Right Curtain Squib YL Top Right B-Pillar N/S
Ambient Temperature Sensor BK Left Rear of Hood 31
Amplifier Audio C1 GY Top Center of Instrument Panel 37, 40
Amplifier Audio C2 GY Top Center of Instrument Panel 37, 40
Automatic Day/Night Mirror (Except
Base)BK Top Center of Windshield N/S
Backup Lamp Switch BK Left Rear of Transmission 16
Battery Temperature Sensor BK Below Battery Tray 26, 28, 29, 30
Blend Door Actuator (Single Zone) BK Behind Right Side of Instrument
PanelN/S
DR8W-91 CONNECTOR/GROUND/SPLICE LOCATION 8W - 91 - 1

CONNECTOR NAME/NUMBER COLOR LOCATION FIG.
Blower Motor BK Behind Right Side of Instrument
PanelN/S
Blower Motor Resistor Block BK Behind Right Side of Instrument
PanelN/S
Brake Lamp Switch BK Top of Brake Pedal Arm 32, 37, 39
Brake Provision-Electric Rear of Engine 26, 27
Brake Transmission Shift Interlock
SolenoidBK Near Steering Column 33, 37, 39
C100 BK Near G107 21, 22, 23, 24, 25
C102 Near Integrated Power Module 28
C106 (5.7L) BK Left Rear Engine 5
C107 (5.7L) BK Left Rear Engine 5
C112 (Diesel) BK Near T/O for Water In Fuel Sensor N/S
C113 BK Left Side Engine 10
C114 BK Left side Engine 10
C115 (Diesel) BK Left Side Engine 10
C130 BK Left Rear of Engine 21, 22, 23, 24, 26
C200 GY Under Instrument Panel 40
C201 WT Near Left Instrument Panel
Speaker37, 39
C205 BK Left Rear Side of Engine
CompartmentN/S
C206 BK Right Instrument Panel 37, 40, 46
C216 BK Middle Left Frame 26, 28, 48
C217 BK Middle Left Frame 26, 28, 37, 48
C218 WT Left Side of Instrument Panel 26, 27, 41, 44
C219 GY Left Side of Instrument Panel 26, 27, 33, 37, 39, 41
C220 WT Left Side of Instrument Panel 37, 39, 41
C301 WT Right Kick Panel 41
C302 BK Left Front Door 41
C304 WT Left Side of Instrument Panel 42, 44, 45
C305 BK At Left Front Door 42, 44, 45
C306 WT Middle Front of Door 43, 45
C307 BK Near Right License Lamp 48, 49
C308 WT Under Instrument Panel 40, 41
C309 WT Left Side of Instrument Panel 39, 41, 44, 45
C310 BK Left Rear of Frame 48, 49
C311 BK Left Rear of Frame 44, 45
C312 WT Under Seat N/S
C313 DK GY At Driver Seat N/S
C314 DK GY At Driver Seat N/S
C315 DK GY At Driver Seat N/S
C316 BK At Passenger Seat N/S
8W - 91 - 2 8W-91 CONNECTOR/GROUND/SPLICE LOCATIONDR
CONNECTOR/GROUND/SPLICE LOCATION (Continued)