2001 DODGE RAM engine

POWERTRAIN CONTROL MODULE C1 (GAS) - BLACK 32 WAY
CAV CIRCUIT FUNCTION
1 K32 18YL/GY (8.0L) IGNITION COIL NO. 4 DRIVER
2 F18 18LG/BK FUSED IGNITION SWITCH OUTPUT (RUN-START)
3 K18 18RD/BK (8.0L) IGNITION COIL NO. 3 DRIVER
4 K4 18BK/LB SENSOR GROUND
5 K43 18DG/GY (8.0L) IGNITION COIL NO. 5 DRIVER
6 T41 18BK/WT (A/T) PARK/NEUTRAL POSITION SWITCH SENSE
7 K19 16BK/GY (3.9L/5.2L/5.9L) IGNITION COIL NO. 1 DRIVER
7 K19 18BK/GY (8.0L) IGNITION COIL NO. 1 DRIVER
8 K24 18GY/BK CRANKSHAFT POSITION SENSOR SIGNAL
9 K17 18DB/WT (8.0L) IGNITION COIL NO. 2 DRIVER
10 K60 18YL/BK IDLE AIR CONTROL NO. 2 DRIVER
11 K40 18BR/WT IDLE AIR CONTROL NO. 3 DRIVER
12 - -
13 G113 18OR PTO SWITCH SENSE
14 - -
15 K21 18BK/RD INTAKE AIR TEMPERATURE SENSOR SIGNAL
16 K2 18TN/BK ENGINE COOLANT TEMPERATURE SENSOR SIGNAL
17 K6 18VT/WT 5V SUPPLY
18 K44 18TN/YL CAMSHAFT POSITION SENSOR SIGNAL
19 K39 18GY/RD IDLE AIR CONTROL NO. 1 DRIVER
20 K59 18VT/BK IDLE AIR CONTROL NO. 4 DRIVER
21 - -
22 A14 16RD/WT FUSED B(+)
23 K22 18OR/DB THROTTLE POSITION SENSOR SIGNAL
24 K141 18TN/WT (3.9L/5.2L/5.9L) (CALI-
FORNIA EXCEPT 8.0L)OXYGEN SENSOR 1/1 SIGNAL
24 K41 18BK/DG (5.9L HD/8.0L) OXYGEN SENSOR 1/1 SIGNAL
25 K341 18OR/BK (3.9L/5.2L) (CALIFOR-
NIA)OXYGEN SENSOR 1/2 SIGNAL
25 K341 18OR/BK (8.0L) OXYGEN SENSOR 1/3 SIGNAL
26 K241 18LG/RD (8.0L) (5.9L HD) OXYGEN SENSOR 2/1 SIGNAL
26 K241 18LG/RD (CALIFORNIA) OXYGEN SENSOR 2/1 SIGNAL
27 K1 18DG/RD MAP SENSOR SIGNAL
28 - -
29 K441 18OR/TN (CALIFORNIA) OXYGEN SENSOR 2/2 SIGNAL
29 K141 18TN/WT (8.0L) OXYGEN SENSOR 1/2 SIGNAL
30 - -
31 Z12 14BK/TN GROUND
32 Z12 14BK/TN GROUND
POWERTRAIN CONTROL MODULE C2 (DIESEL) - BLACK 32 WAY
CAV CIRCUIT FUNCTION
1 T54 18VT (A/T) TRANSMISSION TEMPERATURE SENSOR SIGNAL
2- -
3- -
4- -
5- -
6- -
7- -
8 K88 18VT/WT (A/T) GOVERNOR PRESSURE SOLENOID CONTROL
BR/BE8W-80 CONNECTOR PIN-OUTS 8W - 80 - 67

POWERTRAIN CONTROL MODULE C2 (DIESEL) - BLACK 32 WAY
CAV CIRCUIT FUNCTION
9- -
10 K20 18DG GENERATOR FIELD
11 K54 18OR/BK (A/T) TORQUE CONVERTER CLUTCH SOLENOID CONTROL
12 - -
13 - -
14 - -
15 - -
16 - -
17 - -
18 - --
19 - -
20 - -
21 T60 18BR (A/T) 3-4 SHIFT SOLENOID CONTROL
22 - -
23 - -
24 - -
25 T13 18DB/BK OUTPUT SPEED SENSOR GROUND
26 - -
27 G7 18WT/OR (A/T) VEHICLE SPEED SENSOR SIGNAL
28 T14 18LG/BK OUTPUT SPEED SENSOR SIGNAL
29 T25 18LG/WT (A/T) GOVERNOR PRESSURE SENSOR SIGNAL
30 K30 18PK (A/T) TRANSMISSION CONTROL RELAY CONTROL
31 K7 18OR (A/T) 5V SUPPLY
32 - -
POWERTRAIN CONTROL MODULE C2 (GAS) - BLACK 32 WAY
CAV CIRCUIT FUNCTION
1 T54 18VT (A/T) TRANSMISSION TEMPERATURE SENSOR SIGNAL
2 K26 18VT/TN (5.2L/5.9L/8.0L) FUEL INJECTOR NO. 7 DRIVER
3 K115 18TN/BK (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- -
8 K88 18VT/WT (A/T) GOVERNOR PRESSURE SOLENOID CONTROL
9- -
10 K20 18DG GENERATOR FIELD
11 K54 18OR/BK TORQUE CONVERTER CLUTCH SOLENOID CONTROL
12 K58 18BR/DB FUEL INJECTOR NO. 6 DRIVER
13 K28 18GY/LB (5.2L/5.9L/8.0L) FUEL INJECTOR NO. 8 DRIVER
14 K116 18WT (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 - -
18 - -
19 - -
20 - -
21 T60 18BR (A/T) 3-4 SHIFT SOLENOID CONTROL
22 - -
23 G60 18GY/OR ENGINE OIL PRESSURE SENSOR SIGNAL
24 - -
8W - 80 - 68 8W-80 CONNECTOR PIN-OUTSBR/BE

8W-90 CONNECTOR/GROUND LOCATIONS
TABLE OF CONTENTS
page
CONNECTOR/GROUND LOCATIONS
DESCRIPTION............................1
CONNECTOR/GROUND
LOCATIONS
DESCRIPTION
This section provides illustrations identifying con-
nector and ground locations in the vehicle. A connec-tor and ground index is provided. Use the wiring
diagrams in each section for connector and ground
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.
Connector Name/Number Color Location Fig.
4WD Switch BK On Front Axle N/S
A/C Compressor Clutch BK Rear of A/C Compressor 4,5,6,8
A/C Heater Control BK Center of Instrument Panel 25
A/C Heater Temperature Select NAT Center of Instrument Panel 25
A/C High Pressure Switch BK At A/C Compressor 4,5,6,8
A/C Low Pressure Switch BK Top of A/C Accumulator 1,2
Accelerator Pedal Position Sensor (Diesel) Left Front of Engine 10,11
Aftermarket Trailer Tow Connector Rear of Vehicle N/S
Airbag Control Module Center of I.P. at Airbag Control
Module23
Ambient Temperature Sensor BK Radiator Left Support N/S
Ash Receiver Lamp Center of Instrument Panel 26
Back-up Lamp Switch BK Top of Transmission 13
Battery Temperature Sensor BK Below Battery Tray 16
Blend Door Actuator Center of Instrument Panel N/S
Blower Motor BK Bottom Right of Instrument Panel 23
Blower Motor Resistor Block BK Bottom Right of Instrument Panel 26
Brake Lamp Switch Brake Pedal Arm 23,24
Brake Pressure Switch At Master Cylinder 14
Bypass Jumper GN Top Of Clutch Pedal 27
C105 Rear of Front Bumper N/S
C106 BK Rear of Front Bumper 17
C114 BK Radiator Left Support 15
C125 (Diesel) BK Left Rear of Engine Compartment 2
C126 (Diesel) GY Left Rear of Engine Compartment 2
C129 BK Above Left Front Body Cushion 15,22
C130 At Power Distribution Center 1,2
C134 BK Left Cowl 23,25,27
BR/BE8W-90 CONNECTOR/GROUND LOCATIONS 8W - 90 - 1

Connector Name/Number Color Location Fig.
C203 Left Cowl 23,25
C204 Left Cowl 25
C205 Instrument Panel Center Support N/S
C206 Left Cowl 23,25
C237 Bottom Right of Instrument Panel 23,26
C303 BK Below Driver's Seat 18
C308 Center Rear of Headliner N/S
C329 BK Below Right Tail Lamp 21
C333 BK Below Left Tail Lamp 21
C342 BK Left Rear of Frame 21
C343 BK Left Rear of Frame 21
C345 Right Door N/S
C346 Right Door N/S
C347 Left Door 20
C348 Left Door 20
C352 BK Left A-Pillar 20
C353 BK Right A-Pillar 20
C358 NAT Left Side Instrument Panel 20,23,27
C359 Heated Seat To Body Wiring 18
C360 Below Driver's Seat 18
C361 Left Rear Speaker Wiring N/S
C364 Right Rear Speaker Wiring N/S
C365 Under Passenger Power Seat N/S
Camshaft Position Sensor (V6, V8) Near of Distributor 3
Camshaft Position Sensor (V10) Front of Engine 6
Camshaft Position Sensor (Diesel) Left Front of Engine 10
Cargo Lamp No. 1 BK Rear of Lamp N/S
Cargo Lamp No. 2 BK Rear of Lamp N/S
Center High Mounted Stop Lamp No. 1 BK Rear of Cab 18
Center High Mounted Stop Lamp No. 2 BK Rear of Cab 18
Center Identification Lamp BK Behind Front of Headliner 20
Central Timer Module C1 Left Side Under Instrument Panel 23,24
Central Timer Module C2 Left Side Under Instrument Panel 23,24
Cigar Lighter NAT Center of Instrument Panel 25
Clockspring No.1 Steering Column 24
Clockspring No.2 Steering Column 24
Clockspring No.3 Steering Column 24
Clutch Pedal Position Switch BK Top of Clutch Pedal 27
Controller Anti-Lock Brake C1 Left Fender Side Shield 14
Controller Anti-Lock Brake C2 Left Fender Side Shield 14
Crankshaft Position Sensor (V6, V8) Rear of Engine Block 3
Crankshaft Position Sensor (V10 Right Side of Engine Block 6
8W - 90 - 2 8W-90 CONNECTOR/GROUND LOCATIONSBR/BE
CONNECTOR/GROUND LOCATIONS (Continued)

Connector Name/Number Color Location Fig.
Cummins Bus (-) Left Front of Engine 10
Cup Holder Lamp Center of Instrument Panel 23,26
Data Link Connector BK Left Bottom of Instrument Panel 23,24
Day/Night Mirror BK Day/Night Mirror N/S
Daytime Running Lamp Module BK Left Fender Side Shield 14
Dome Lamp Rear of Cab 18
Driver Airbag BK Steering Wheel N/S
Driver Door Arm/Disarm Switch BK In Door 19
Driver Door Jamb Switch NAT Door Jamb 19
Driver Door Lock Motor BK In Door 19
Driver Door Window/Lock Switch BL In Door 19
Driver Heated Seat Module BL Under Seat N/S
Driver Heated Seat Switch RD Center of Instrument Panel N/S
Driver Lumbar Motor Under Seat N/S
Driver Power Seat Front Vertical Motor BK Under Seat N/S
Driver Power Seat Horizontal Motor BK Under Seat N/S
Driver Power Seat Rear Vertical Motor Under Seat N/S
Driver Power Seat Switch At Seat N/S
Driver Power Window Motor In Door 19
Duty Cycle EVAP/Purge Solenoid BK Right Fender Side Shield 17
Electric Brake Provision Bottom Left of Instrument Panel N/S
Engine Control Module (Diesel) Left Side Engine 12
Engine Coolant Temperature Sensor (Diesel) BK Left Front of Cylinder Head
(Diesel)10
Engine Coolant Temperature Sensor (Gas) BK On Thermostat Housing 3,6
Engine Oil Pressure Sensor (V6, V8) BK Near Distributor 3
Engine Oil Pressure Sensor (V10) Near Oil Filter 6
Engine Oil Pressure Sensor (Diesel) Left Side of Engine 12
Fuel Heater (Diesel) Left Side of Engine 10
Fuel Injection Pump (Diesel) Left Side of Engine, Below ECM 10
Fuel Injector No.1 BK At Fuel Injector 4,5
Fuel Injector No. 2 BK At Fuel Injector 4,5,6
Fuel Injector No. 3 BK At Fuel Injector 4,5,6
Fuel Injector No. 4 BK At Fuel Injector 4,5,6
Fuel Injector No. 5 BK At Fuel Injector 4,5,6
Fuel Injector No. 6 BK At Fuel Injector 4,5,6
Fuel Injector No. 7 BK At Fuel Injector 4,6
Fuel Injector No. 8 BK At Fuel Injector 4,6
Fuel Injector No. 9 BK At Fuel Injector 6
Fuel Injector No. 10 BK At Fuel Injector 6
Fuel Pump Module LTGY At Frame Rail 22
Fuel Transfer Pump (Diesel) Left Rear of Engine Bottom of
Pump10
BR/BE8W-90 CONNECTOR/GROUND LOCATIONS 8W - 90 - 3
CONNECTOR/GROUND LOCATIONS (Continued)

Connector Name/Number Color Location Fig.
G100 Left Fender Side Shield 16
G101 Left Fender Side Shield 16
G102 Left Fender Side Shield (RWAL
Ground)N/S
G103 Near T/O for Wiper Motor 14
G105 Front of Engine (Engine Ground) 4,5,6,9
G107 (Diesel) Left Rear of Engine 10
G113 (Diesel) Primary Battery Engine Ground N/S
G114 Battery Engine Ground N/S
G115 (Diesel) Primary Battery Body Ground N/S
G116 Battery Frame Ground N/S
G117 (Diesel) Auxilary Battery Engine Ground N/S
G118 (Diesel) Primary Frame Ground N/S
G120 (Diesel) Auxilary Battery Body Ground N/S
G200 Left Cowl 24
G201 Instrument Panel Right Center
Support23,25
G300 Left Lower Cowl 20
G301 Below Left Rear Speaker 18
G302 At Overhead Console 20
Generator BK Front of Engine 7,8
Glove Box Lamp At Glove Box 23
Headlamp Switch C1 BK Left Side of Instrument Panel 23,26
Headlamp Switch C2 Left Side of Instrument Panel 23,26
Heated Mirror Switch Center of Instrument Panel 25
High Note Horn BK Front Bumper Right Support 17
Idle Air Control Motor BK On Throttle Body 9
Ignition Coil GY Right Front of Engine 4,5,9
Ignition Coil 4 Pack BK Right Side of Engine 9
Ignition Coil 6 Pack BK Right Side of Engine 9
Ignition Switch C1 Steering Column 24
Ignition Switch C2 Steering Column 24
Instrument Cluster C1 Rear of Instrument Cluster 23
Instrument Cluster C2 Rear of Instrument Cluster 23
Intake Air Heater Relay Left Fender Side Shield 16
Intake Air Temperature Sensor (Diesel) Left Rear of Engine 10
Intake Air Temperature Sensor (Gas) GY On Intake Manifold 4,5,6
Joint Connector No. 1 In Power Distribution Center N/S
Joint Connector No. 2 In Power Distribution Center N/S
Joint Connector No. 3 Front Bumper Right support 17
Joint Connector No. 4 Left Front Engine Compartment 16
Joint Connector No. 5 NAT Left Side of Instrument Panel 24
Joint Connector No. 6 NAT Left Side of Instrument Pane 24
8W - 90 - 4 8W-90 CONNECTOR/GROUND LOCATIONSBR/BE
CONNECTOR/GROUND LOCATIONS (Continued)

Connector Name/Number Color Location Fig.
Oxygen Sensor 1/1 Left Bank Up Left Exhaust Manifold Downpipe 13
Oxygen Sensor 1/1 Upstream Catalytic Converter Inlet Side 13
Oxygen Sensor 1/2 Downstream Catalytic Converter Outlet Side 13
Oxygen Sensor 1/2 Left Bank Down Catalytic Converter Outlet Side 13
Oxygen Sensor 1/2 Pre-catalyst Catalytic Converter Inlet Side 13
Oxygen Sensor 1/3 Post Catalyst Catalytic Converter Outlet Side 13
Oxygen Sensor 1/3 Post Catalyst Post Catalyst 13
Oxygen Sensor 2/1 Right Bank Up Right Exhaust Manifold Downpipe 13
Oxygen Sensor 2/2 Right Bank Down Catalytic Converter Outlet Side 13
Park/Neutral Position Switch BK Left Side of Transmission 13
Passenger Airbag At Glove Box 23,26
Passenger Airbag On/Off Switch C1 Lower Right Side of Instrument
Panel23
Passenger Airbag On/Off Switch C2 Lower Right Side of Instrument
Panel23
Passenger Door Arm/Disarm Switch LTGY In Door 19
Passenger Door Jamb Switch NAT In Door 19
Passenger Door Lock Motor BK In Door 19
Passenger Door Window/Lock Switch In Door 19
Passenger Heated Seat Switch BL Center of Instrument Panel N/S
Passenger Heated Seat Module Under Seat N/S
Passenger Lumbar Motor Under Seat N/S
Passenger Power Seat Front Vertical Motor Under Seat N/S
Passenger Power Seat Horizontal Motor Under Seat N/S
Passenger Power Seat Rear Vertical Motor Under Seat N/S
Passenger Power Seat Switch At Seat N/S
Passenger Power Window Motor In Door N/S
Power Seat Heater Control Module Under Seat N/S
Power Mirror Switch Driver Door 19
Power Outlet BK Center of I.P. 25
Powertrain Control Module C1 Right Rear Engine Compartment 1,2
Powertrain Control Module C2 Right Rear Engine Compartment 1,2
Powertrain Control Module C3 Right Rear Engine Compartment 1,2
Radio Choke Relay BK Instrument Panel Center support 23,25
Radio C1 GY Rear of Radio 25
Radio C2 BK Rear of Radio 25
Radio C3 BK Instrument Panel Center support 25
Rear Wheel Speed Sensor BK Left Frame Rail, Near Fuel Tank 21,22
Right Back-Up Lamp BK Rear of Lamp N/S
Right Fog Lamp BK Rear of Fog Lamp N/S
Right Front Door Speaker(Premium BK In Door 19
Right Front Door Speaker(Standard BK In Door 19
Right Front Fender Lamp On Fender 21
8W - 90 - 6 8W-90 CONNECTOR/GROUND LOCATIONSBR/BE
CONNECTOR/GROUND LOCATIONS (Continued)

Connector Name/Number Color Location Fig.
Right Front Wheel Speed Sensor BK Right Fender Side Shield 17
Right Headlamp BL At Headlamp N/S
Right License Lamp BK At Rear Bumper 21
Right Outboard Clearance Lamp BK Behind Front of Headliner 20
Right Outboard Headlamp At Headlamp N/S
Right Outboard Identification Lamp BK Behind Front of Headliner 20
Right Park/Turn Signal Lamp BK At Lamp N/S
Right Power Mirror BK In Door 19
Right Rear Fender Lamp On Fender 21
Right Rear Speaker Bottom of Right B Pillar 18
Right Remote Radio Switch Steering Wheel N/S
Right Speed Control Switch Steering Wheel N/S
Right Tail/Stop Turn Signal Lamp BK At Rear Bumper 21
Right Tweeter Right A Pillar N/S
Right Visor/Vanity Lamp BK Right A-Pillar N/S
Seat Belt Switch Above Left Rear Speaker 18
Tailgate Lamp On Tailgate 21
Throttle Position Sensor Throttle Body 4,5,9
Trailer Tow Connector BK On Trailer Hitch 21
Transmission Solenoid Assembly BK Side of Transmission 13
Under Hood Lamp BK Underside of Hood 15
Vehicle Speed Control Servo BK Below Battery 16
Washer Fluid Level Switch At Reservoir 16
Water In Fuel Sensor BK Bottom of Fuel Filter/Water
Separator10
Windshield Washer Pump BK Bottom of Washer Fluid Reservior 16
Wiper Motor BK Center Rear Engine Compartment 14
BR/BE8W-90 CONNECTOR/GROUND LOCATIONS 8W - 90 - 7
CONNECTOR/GROUND LOCATIONS (Continued)