2003 DODGE RAM relay

8W-42 AIR CONDITIONING
Component Page
A/C Compressor Clutch............... 8W-42-7
A/C Compressor Clutch Relay.......... 8W-42-7
A/C Pressure Transducer............ 8W-42-8, 9
A/C-Heater Control........... 8W-42-2, 3, 4, 5, 6
Blend Door Actuator.................. 8W-42-6
Blower Motor....................... 8W-42-2
Blower Motor Resistor Block........... 8W-42-2
Condenser Fan..................... 8W-42-10
Condenser Fan Relay................ 8W-42-10
Data Link Connector............. 8W-42-3, 4, 8
Driver Blend Door Actuator............ 8W-42-5
Engine Control Module.............. 8W-42-7, 9
Evaporator Temperature Sensor......... 8W-42-4
Fuse 12........................... 8W-42-10
Fuse 16............................ 8W-42-7
Fuse 36............................ 8W-42-3
Fuse 36............................ 8W-42-4Component Page
G107.............................. 8W-42-7
G120.............................. 8W-42-7
G202.............................. 8W-42-3
G202.............................. 8W-42-4
G203.............................. 8W-42-2
Heated Mirror Relay............... 8W-42-3, 4
Ignition Switch...................... 8W-42-2
Instrument Cluster................... 8W-42-2
Integrated Power Module....... 8W-42-3, 4, 7, 10
Mode Door Actuator 1............... 8W-42-5, 6
Mode Door Actuator 2............... 8W-42-5, 6
Passenger Blend Door Actuator......... 8W-42-5
Powertrain Control Module........ 8W-42-7, 8, 10
PTCNo.1.......................... 8W-42-7
Recirculation Door Actuator.......... 8W-42-5, 6
DR8W-42 AIR CONDITIONING 8W - 42 - 1

8W-50 FRONT LIGHTING
Component Page
Clearance Lamp No. 1................ 8W-50-6
Clearance Lamp No. 2................ 8W-50-6
Clearance Lamp No. 3................ 8W-50-6
Clearance Lamp No. 4................ 8W-50-6
Clearance Lamp No. 5................ 8W-50-6
Data Link Connector................. 8W-50-2
Fog Lamp Relay..................... 8W-50-5
Fog Lamp-Left...................... 8W-50-5
Fog Lamp- Right.................... 8W-50-5
Front Control Module........... 8W-50-2, 3, 4, 5
Fuse 15............................ 8W-50-4
Fuse 32............................ 8W-50-4
Fuse 34............................ 8W-50-4
Fuse 41............................ 8W-50-5
G103.......................... 8W-50-3, 4, 5Component Page
G104.......................... 8W-50-3, 4, 5
G105............................ 8W-50-3, 4
G201.............................. 8W-50-5
G203.............................. 8W-50-6
Headlamp Switch.................. 8W-50-2, 5
Headlamp-Left...................... 8W-50-3
Headlamp-Right..................... 8W-50-3
Instrument Cluster................. 8W-50-2, 5
Integrated Power Module........ 8W-50-2, 3, 4, 5
Multi-Function Switch................ 8W-50-2
Park Lamp Relay.................... 8W-50-4
Park/Turn Signal Lamp-Left Front....... 8W-50-4
Park/Turn Signal Lamp-Right Front..... 8W-50-4
DR8W-50 FRONT LIGHTING 8W - 50 - 1

8W-51 REAR LIGHTING
Component Page
Backup Lamp Switch............... 8W-51-3, 5
Brake Lamp Switch.................. 8W-51-7
Center High Mounted Stop Lamp-
Aftermarket...................... 8W-51-7
Center High Mounted Stop Lamp/Cargo
Lamp........................... 8W-51-7
Fender Lamp-Front Left............... 8W-51-4
Fender Lamp-Front Right............. 8W-51-4
Fender Lamp-Rear Left............... 8W-51-4
Fender Lamp-Rear Right.............. 8W-51-4
Front Control Module......... 8W-51-2, 3, 5, 6, 7
Fuse 15........................ 8W-51-2, 3, 7
Fuse 24............................ 8W-51-7
Fuse 32............................ 8W-51-3
Fuse 33............................ 8W-51-7
Fuse 34............................ 8W-51-2
Fuse 38............................ 8W-51-3Component Page
G103........................ 8W-51-2, 3, 5, 6
G104........................ 8W-51-2, 3, 5, 6
G202.............................. 8W-51-7
Integrated Power Module...... 8W-51-2, 3, 5, 6, 7
License Lamp-Left................... 8W-51-2
License Lamp-Right.................. 8W-51-3
Park Lamp Relay................ 8W-51-2, 3, 7
Park/Turn Signal Lamp-Left Front....... 8W-51-2
Park/Turn Signal Lamp-Right Front..... 8W-51-3
Tail/Stop/Turn Signal Lamp-Left...... 8W-51-2, 5
Tail/Stop/Turn Signal Lamp-Right....... 8W-51-6
Tailgate Lamp Assembly............. 8W-51-2, 4
Trailer Tow Connector................ 8W-51-7
Trailer Tow Connector- Add On....... 8W-51-5, 7
Transmission Range Sensor............ 8W-51-5
Transmission Solenoid/TRS Assembly.... 8W-51-5
DR8W-51 REAR LIGHTING 8W - 51 - 1

8W-52 TURN SIGNALS
Component Page
Data Link Connector................. 8W-52-2
Front Control Module......... 8W-52-2, 3, 4, 5, 6
Fuse 15............................ 8W-52-3
Fuse 32............................ 8W-52-3
Fuse 34............................ 8W-52-3
Fuse 46............................ 8W-52-6
Fuse 47............................ 8W-52-6
G103............................ 8W-52-4, 5
G104.......................... 8W-52-3, 4, 5
G105.............................. 8W-52-3
Instrument Cluster................... 8W-52-2
Integrated Power Module...... 8W-52-2, 3, 4, 5, 6
Multi-Function Switch................ 8W-52-2Component Page
Park Lamp Relay.................... 8W-52-3
Park/Turn Signal Lamp-Left Front....... 8W-52-3
Park/Turn Signal Lamp-Right Front..... 8W-52-3
Tail/Stop Lamp.................... 8W-52-4, 5
Tail/Stop/Turn Signal Lamp-Left...... 8W-52-3, 4
Tail/Stop/Turn Signal Lamp-Right....... 8W-52-5
Tail/Turn Lamp................... 8W-52-4, 5
Trailer Tow Connector................ 8W-52-6
Trailer Tow Connector-Add On.......... 8W-52-6
Trailer Tow Left Turn Relay............ 8W-52-6
Trailer Tow Right Turn Relay........... 8W-52-6
DR8W-52 TURN SIGNALS 8W - 52 - 1

8W-53 WIPERS
Component Page
Data Link Connector................. 8W-53-2
Front Control Module............. 8W-53-2, 3, 4
Fuse 8............................ 8W-53-3
G104.............................. 8W-53-4
G105.............................. 8W-53-4
G106............................ 8W-53-3, 4
Instrument Cluster................... 8W-53-2
Integrated Power Module.......... 8W-53-2, 3, 4Component Page
Multi-Function Switch................ 8W-53-2
Washer Fluid Level Switch............. 8W-53-4
Washer Pump Motor-Front............. 8W-53-4
Wiper High/Low Relay.............. 8W-53-3, 4
Wiper Motor-Front................. 8W-53-3, 4
Wiper On/Off Relay.................. 8W-53-3
DR8W-53 WIPERS 8W - 53 - 1

8W-54 TRAILER TOW
Component Page
Brake Lamp Switch.................. 8W-54-5
Electric Brake Provision............... 8W-54-5
Front Control Module............. 8W-54-2, 3, 5
Fuse 1............................ 8W-54-5
Fuse 15.......................... 8W-54-2, 3
Fuse 24............................ 8W-54-5
Fuse 33.......................... 8W-54-2, 3
Fuse 46.......................... 8W-54-2, 3
Fuse 47.......................... 8W-54-2, 3
G103............................ 8W-54-3, 4Component Page
G104.......................... 8W-54-3, 4, 5
G106.............................. 8W-54-5
Integrated Power Module.......... 8W-54-2, 3, 5
Park Lamp Relay.................. 8W-54-2, 3
PTCNo.5........................ 8W-54-2, 3
Trailer Tow Connector............ 8W-54-2, 3, 4
Trailer Tow Connector-Add On...... 8W-54-2, 4, 5
Trailer Tow Left Turn Relay.......... 8W-54-2, 3
Trailer Tow Right Turn Relay......... 8W-54-2, 3
DR8W-54 TRAILER TOW 8W - 54 - 1

8W-62 POWER MIRRORS
Component Page
A/C-Heater Control................... 8W-62-3
Driver Door Module................ 8W-62-2, 3
Fuse 17............................ 8W-62-2
Fuse 27............................ 8W-62-3
Fuse 36............................ 8W-62-3
G302............................ 8W-62-2, 3Component Page
Heated Mirror Relay................. 8W-62-3
Integrated Power Module............ 8W-62-2, 3
Power Mirror-Left.................. 8W-62-2, 3
Power Mirror-Right................ 8W-62-2, 3
DR8W-62 POWER MIRRORS 8W - 62 - 1

4WD SWITCH (MANUAL TRANSFER CASE) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 K77 18BR/WT 4WD SWITCH SENSE
2 K4 18BK/LB SENSOR GROUND
A/C COMPRESSOR CLUTCH - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 C3 20DB/BK A/C CLUTCH RELAY OUTPUT
2 Z359 18BK/BR GROUND
A/C PRESSURE TRANSDUCER - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 K4 18BK/LB SENSOR GROUND
2 K6 18VT/WT (EXCEPT NGC) 5 VOLT SUPPLY
2 K7 18OR (NGC) 5-VOLT SUPPLY
3 C18 18DB A/C PRESSURE SIGNAL
4- -
A/C PRESSURE TRANSDUCER (DIESEL)-4WAY
CAV CIRCUIT FUNCTION
1 K55 18LB/WT MASS AIR FLOW SENSOR SIGNAL
2 K72 18DG/OR 5 VOLTS SUPPLY
3 C18 18DB A/C PRESSURE SIGNAL
4- -
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 5