2001 DODGE RAM engine

8W-35 ALL WHEEL ANTILOCK BRAKES
Component Page
Brake Lamp Switch.................. 8W-35-4
Brake Pressure Switch................ 8W-35-4
Controller Antilock Brake.......... 8W-35-2, 3, 4
Engine Control Module................ 8W-35-4
Fuse 3 (JB)......................... 8W-35-2
Fuse 11 (PDC)....................... 8W-35-2
G100.............................. 8W-35-4
G101.............................. 8W-35-3
G107.............................. 8W-35-3
G200.............................. 8W-35-4
Instrument Cluster................... 8W-35-3Component Page
Joint Connector No. 1................. 8W-35-4
Joint Connector No. 3................. 8W-35-3
Joint Connector No. 4................. 8W-35-4
Joint Connector No. 7................. 8W-35-3
Junction Block...................... 8W-35-2
Left Front Wheel Speed Sensor......... 8W-35-2
Power Distribution Center............. 8W-35-2
Powertrain Control Module............. 8W-35-4
Rear Wheel Speed Sensor.............. 8W-35-2
Right Front Wheel Speed Sensor........ 8W-35-2
BR/BE8W-35 ALL WHEEL ANTILOCK BRAKES 8W - 35 - 1

8W-40 INSTRUMENT CLUSTER
Component Page
Data Link Connector................. 8W-40-4
Daytime Running Lamp Module....... 8W-40-2, 7
Engine Control Module................ 8W-40-2
Fuse 5 (JB)......................... 8W-40-5
Fuse 14 (JB).................. 8W-40-2, 3, 4, 7
Fuse 17 (JB)........................ 8W-40-2
Fuse F (PDC)....................... 8W-40-5
G100............................ 8W-40-4, 6
G200............................ 8W-40-2, 6
G201.......................... 8W-40-2, 5, 7
G300.............................. 8W-40-3
G301.............................. 8W-40-3
Headlamp Beam Select Switch.......... 8W-40-7
Headlamp Switch.................... 8W-40-5
High Beam Indicator................. 8W-40-7
Instrument Cluster......... 8W-40-2, 3, 4, 5, 6, 7
Integrated Electronic Module........... 8W-40-3Component Page
Joint Connector No. 3................. 8W-40-6
Joint Connector No. 4............... 8W-40-4, 6
Joint Connector No. 5................. 8W-40-5
Joint Connector No. 7............... 8W-40-4, 6
Joint Connector No. 8................. 8W-40-5
Junction Block............... 8W-40-2, 3, 4, 5, 7
Left Turn Indicator................... 8W-40-7
Overdrive Switch.................... 8W-40-6
Park Brake Switch................... 8W-40-2
Power Distribution Center............. 8W-40-5
Powertrain Control Module............. 8W-40-6
Radio............................. 8W-40-5
Right Turn Indicator.................. 8W-40-7
Seat Belt Switch..................... 8W-40-3
Turn Signal/Hazard Switch............. 8W-40-7
Washer Fluid Level Switch............. 8W-40-4
BR/BE8W-40 INSTRUMENT CLUSTER 8W - 40 - 1

8W-49 OVERHEAD CONSOLE
Component Page
Ambient Temperature Sensor........... 8W-49-5
Automatic Day/Night Mirror............ 8W-49-3
Back-Up Lamp Switch................ 8W-49-3
Central Timer Module C2.............. 8W-49-4
Controller Antilock Brake.............. 8W-49-4
Engine Control Module................ 8W-49-4
Fuse 11 (JB)........................ 8W-49-3
Fuse 12 (JB).................... 8W-49-2, 3, 6
G200............................ 8W-49-2, 5
G201............................ 8W-49-3, 6Component Page
Joint Connector No. 1................. 8W-49-3
Joint Connector No. 7................. 8W-49-4
Joint Connector No. 8................. 8W-49-2
Junction Block................ 8W-49-2, 3, 5, 6
Left Visor/Vanity Lamp................ 8W-49-6
Map Lamps......................... 8W-49-2
Overhead Console............ 8W-49-2, 3, 4, 5, 6
Park/Neutral Position Switch........... 8W-49-3
Powertrain Control Module............. 8W-49-4
Right Visor/Vanity Lamp............... 8W-49-6
BR/BE8W-49 OVERHEAD CONSOLE 8W - 49 - 1

Component Page
Crankshaft Position Sensor
(Gas Except 8.0L)................. 8W-80-34
Cummins Bus (Diesel)............... 8W-80-34
Cup Holder Lamp................... 8W-80-34
Data Link Connector................. 8W-80-35
Daytime Running Lamp Module........ 8W-80-35
Dome Lamp....................... 8W-80-35
Driver Airbag...................... 8W-80-35
Driver Cylinder Lock Switch........... 8W-80-36
Driver Door Ajar Switch (Premium)..... 8W-80-36
Driver Door Ajar Switch (Base)......... 8W-80-36
Driver Door Lock Motor.............. 8W-80-36
Driver Door Window/Lock Switch....... 8W-80-36
Driver Heated Seat Cushion........... 8W-80-37
Driver Heated Seat Switch............ 8W-80-37
Driver Lumbar Motor................ 8W-80-37
Driver Power Seat Front Vertical Motor
(Club Cab)....................... 8W-80-37
Driver Power Seat Front Vertical Motor
(Standard Cab)................... 8W-80-37
Driver Power Seat Horizontal Motor
(Club Cab)....................... 8W-80-38
Driver Power Seat Horizontal Motor
(Standard Cab)................... 8W-80-38
Driver Power Seat Rear Vertical Motor
(Club Cab)....................... 8W-80-38
Driver Power Seat Rear Vertical Motor
(Standard Cab)................... 8W-80-38
Driver Power Seat Switch (Club Cab).... 8W-80-38
Driver Power Seat Switch
(Standard Cab)................... 8W-80-39
Driver Power Window Motor........... 8W-80-39
Electric Brake Provision.............. 8W-80-39
Engine Control Module (Diesel)........ 8W-80-40
Engine Coolant Temperature Sensor
(Diesel)......................... 8W-80-41
Engine Coolant Temperature Sensor
(Gas)........................... 8W-80-41
Engine Oil Pressure Sensor (Diesel)..... 8W-80-41
Engine Oil Pressure Sensor (Gas)....... 8W-80-41
Evap/Purge Solenoid................. 8W-80-41
Front Washer Pump................. 8W-80-41
Fuel Heater (Diesel)................. 8W-80-42
Fuel Injection Pump (Diesel)........... 8W-80-42
Fuel Injector No. 1.................. 8W-80-42
Fuel Injector No. 2.................. 8W-80-42
Fuel Injector No. 3.................. 8W-80-42
Fuel Injector No. 4.................. 8W-80-43
Fuel Injector No. 5.................. 8W-80-43
Fuel Injector No. 6.................. 8W-80-43
Fuel Injector No. 7 (5.2L/5.9L/8.0L)..... 8W-80-43
Fuel Injector No. 8 (5.2L/5.9L/8.0L)..... 8W-80-43
Fuel Injector No. 9 (8.0L)............. 8W-80-43
Fuel Injector No. 10 (8.0L)............ 8W-80-44
Fuel Pump Module (Gas)............. 8W-80-44
Fuel Tank Module (Diesel)............ 8W-80-44
Fuel Transfer Pump (Diesel)........... 8W-80-44Component Page
G300............................. 8W-80-44
Generator......................... 8W-80-45
Glove Box Lamp And Switch........... 8W-80-45
Headlamp Switch C1................ 8W-80-45
Headlamp Switch C2................ 8W-80-45
Heated Mirror Switch................ 8W-80-45
High Note Horn.................... 8W-80-46
Idle Air Control Motor................ 8W-80-46
Ignition Coil (3.9L/5.2L/5.9L).......... 8W-80-46
Ignition Coil 4 Pack (8.0L)............ 8W-80-46
Ignition Coil 6 Pack (8.0L)............ 8W-80-46
Ignition Switch C1.................. 8W-80-47
Ignition Switch C2.................. 8W-80-47
Instrument Cluster C1............... 8W-80-47
Instrument Cluster C2............... 8W-80-47
Intake Air Heater Relays (Diesel)....... 8W-80-47
Intake Air Temperature Sensor (Diesel) . . 8W-80-48
Intake Air Temperature Sensor (Gas).... 8W-80-48
Joint Connector No. 1 (In PDC)........ 8W-80-48
Joint Connector No. 2 (In PDC)........ 8W-80-49
Joint Connector No. 3................ 8W-80-49
Joint Connector No. 4................ 8W-80-49
Joint Connector No. 5................ 8W-80-50
Joint Connector No. 6................ 8W-80-50
Joint Connector No. 7................ 8W-80-51
Joint Connector No. 8................ 8W-80-51
Junction Block C1................... 8W-80-52
Junction Block C2................... 8W-80-52
Junction Block C3................... 8W-80-52
Junction Block C4................... 8W-80-53
Junction Block C5................... 8W-80-53
Junction Block C6................... 8W-80-53
Junction Block C7................... 8W-80-53
Junction Block C8................... 8W-80-54
Junction Block C9................... 8W-80-54
Leak Detection Pump (Gas)........... 8W-80-54
Left Back-Up Lamp.................. 8W-80-54
Left Fog Lamp..................... 8W-80-54
Left Front Door Speaker (Premium)..... 8W-80-55
Left Front Door Speaker (Standard)..... 8W-80-55
Left Front Fender Lamp
(Dual Rear Wheels)................ 8W-80-55
Left Front Wheel Speed Sensor (ABS) . . . 8W-80-55
Left Headlamp..................... 8W-80-55
Left License Lamp.................. 8W-80-56
Left Outboard Clearance Lamp......... 8W-80-56
Left Outboard Headlamp............. 8W-80-56
Left Outboard Identification Lamp...... 8W-80-56
Left Park/Turn Signal Lamp........... 8W-80-56
Left Power Mirror................... 8W-80-56
Left Rear Fender Lamp
(Dual Rear Wheels)................ 8W-80-57
Left Rear Speaker (Premium 2 Door).... 8W-80-57
Left Rear Speaker (Premium 4 Door).... 8W-80-57
Left Rear Speaker (Standard 2 Door).... 8W-80-57
Left Rear Speaker (Standard 4 Door).... 8W-80-57
Left Remote Radio Switch............. 8W-80-57
8W - 80 - 2 8W-80 CONNECTOR PIN-OUTSBR/BE

C125 (DIESEL) - (ENGINE SIDE)
CAV CIRCUIT
1 F18 18LG/BK
2 G113 18OR
3 A14 12RD/WT
4 C3 18DB/BK
5 C90 18LG/WT
6 K22 18OR/DB
7 A40 14RD/LG
8 K131 18BR/WT
9 A93 12RD/BK
10 K104 18BK/LB
11 G7 18WT/OR
C126 (DIESEL) - GRAY (TRANSMISSION SIDE)
CAV CIRCUIT
1 K20 18DG
2 V37 18RD/LG (A/T)
2 Z12 18BK/TN (M/T)
3 T125 18DB
4 D20 18DG
5 D21 18PK/DB
6 D1 18VT/BR
7 D2 18WT/BK
8 G85 18OR/BK
9 C22 18DB
10 K24 18GY/BK
11 V40 18WT/PK
12 Z12 18BK/TN
13 S21 18YL/BK
14 S22 18OR/BK
C126 (DIESEL) - GRAY (ENGINE SIDE)
CAV CIRCUIT
1 K20 18DG
2 V37 18RD/LG (M/T)
3 T125 18DB
4 D20 18DG
5 D21 18PK/DB
6 D1 18VT/BR
7 D2 18WT/BK
8 G85 18OR/BK
9 C22 18DB
10 K24 18GY/BK
11 V32 18YL/BK
12 Z12 18BK/TN
13 S21 18YL/BK
14 S22 18OR/BK
BR/BE8W-80 CONNECTOR PIN-OUTS 8W - 80 - 9

C130 (GAS) - (ENGINE HARNESS SIDE)
CAV CIRCUIT
1 V35 18LG/RD
2 V32 18YL/RD
3 A14 16RD/WT
4 A142 14DG/OR
5-
6-
7 K118 18PK/YL
8 L1 18VT/BK
9-
10 -
11 V40 18WT/PK
12 L10 18BR/LG
13 D1 18VT/BR
14 K51 18DB/YL
15 C13 18DB/OR
16 D20 18DG
17 D2 18WT/BK
18 K4 20BK/LB
19 C90 18LG/WT
20 D21 18PK/DB
21 C3 18DB/BK
22 V37 18RD/LG
23 K226 18DB/WT
24 V36 18TN/RD
25 Y128 18DG/GY (8.0L)
26 T41 22BK/WT (A/T)
26 Z11 20BK/WT (M/T)
27 K31 18BR/WT
28 F18 18LG/BK
29 K30 18PK (A/T)
30 A341 18DG/YL (CALIFORNIA)
31 T16 18RD
32 -
33 G7 18WT/OR
34 T6 18OR/WT (A/T)
35 T125 18DB (A/T)
36 K106 18WT/DG
37 K107 18OR
38 Y193 18WT/LG
39 Z12 18BK/TN
40 -
41 K145 18DG/PK
42 K52 18PK/WT
43 A141 20DG/WT (EXCEPT CALIFORNIA)
BR/BE8W-80 CONNECTOR PIN-OUTS 8W - 80 - 13

ENGINE CONTROL MODULE (DIESEL) - 50 WAY
CAV CIRCUIT FUNCTION
1 H104 18BR/OR IDLE VALIDATION SWITCH NO. 1
2 K244 20YL/DB CUMMINS BUS (+)
3 K6 18VT/WT 5V SUPPLY
4 K14 18BK/DB SENSOR GROUND
5 F18 18LG/BK FUSED IGNITION SWITCH OUTPUT (RUN-START)
6 G60 18GY/BK ENGINE OIL PRESSURE SENSOR SIGNAL
7 K21 18BK/RD INTAKE AIR TEMPERATURE SENSOR SIGNAL
8 G12 18GY/RD MANIFOLD AIR PRESSURE SENSOR SIGNAL
9- -
10 K7 18OR 5V SUPPLY
11 K104 18BK/LB SENSOR GROUND
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 K247 20DB CUMMINS BUS SHIELD
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(+)
8W - 80 - 40 8W-80 CONNECTOR PIN-OUTSBR/BE

ENGINE COOLANT TEMPERATURE SENSOR (DIESEL)-2WAY
CAV CIRCUIT FUNCTION
B K2 18TN/BK ENGINE COOLANT TEMPERATURE SENSOR SIGNAL
A K104 18BK/LB SENSOR GROUND
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)-3WAY
CAV CIRCUIT FUNCTION
A K7 18OR 5V SUPPLY
B K104 18BK/LB SENSOR GROUND
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)
FRONT WASHER PUMP - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 V10 16BR WASHER SWITCH SENSE
2 Z1 20BK GROUND
FRONT WASHER PUMP - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 V10 16BR WASHER SWITCH SENSE
2 Z1 20BK GROUND
BR/BE8W-80 CONNECTOR PIN-OUTS 8W - 80 - 41