RAM Cab & Chassis 3500 HD (2012-2012) computer data lines system Wiring diagrams

34 35 35 18 CAN BUS(+) CAN BUS(-) 7-WAY TRAILER TOW WIRING B(+) CAN CAN LAMP BUS 2 BUS 2 FEED (+) (-) BLK WIRE COMPUTER DATA LINES SYSTEM DK GRN/DK BLU WIRE DK GRN/LT BLU WIRE DK GRN/RED WIRE DK GRN/YEL WIRE EXCEPT 6.7L 6.7L GRY WIRE HOT AT ALL TIMES INSIDE REAR VIEW MIRROR LEFT TAIL LAMP ASSEMBLY LT BLU WIRE LT GRN WIRE POWERTRAIN CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) RED WIRE RIGHT BACKUP LAMP RIGHT TAIL LEFT LAMP BACKUP ASSEMBLY LAMP WHT WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE WHT/RED WIRE

2 5 4 READING LPS DRV COURTESY LPS DRV PANEL LPS DRV AUTO STICK SWITCH (ERS) B(+) DRV DOOR DOOR CAN AJAR AJAR AJAR SW SW SW SNS BLK WIRE BLK/DK GRN WIRE BLK/TAN WIRE BLK/WHT WIRE CAN FUSE IHS IHS SW BUS BUS SNS SNS SNS (+) (-) CENTER CONSOLE CLUSTER COMPUTER DATA LINES SYSTEM DRIVER DOOR LATCH ELECTRONICS FRONT READING LAMP FUSE FUSE FUSE GLOVE BOX LAMP) GRY WIRE HEADLAMP SWITCH HOT AT ALL TIMES HOT W/ RUN/START RELAY ENERGIZED INSTRUMENT ILLUMINATION CIRCUIT LEFT LOWER COURTESY LAMP LEFT REAR DOOR LATCH (EXCEPT REGULAR CAB) LEFT VANITY LAMP LT BLU WIRE LT GRN WIRE MLFCT SW RTN OF DASH) ORG/ WIRE ORG/BRN WIRE ORG/GRY WIRE PANEL LPS DRV PASSENGER DOOR LATCH PNK WIRE PNK/LT GRN WIRE REAR DOME LAMP RED WIRE RED/WHT WIRE REGULAR CAB EXCEPT REGULAR CAB RIGHT LOWER COURTESY LAMP RIGHT REAR DOOR LATCH (EXCEPT REGULAR CAB) RIGHT VANITY LAMP RR LR PASS DOOR DOOR AJAR TAN WIRE TOTALLY INTEGRATED POWER MODULE (LEFT FRONT OF ENGINE COMPT) UNDERHOOD LAMP (IF EQUIPPED) VIO WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE W/ GLOVE BOX LAMP W/O GLOVE BOX LAMP WHT WIRE WHT/GRY WIRE WHT/LT GRN WIRE WHT/ORG WIRE WHT/YEL WIRE YEL WIRE YEL/LT BLU WIRE YEL/WHT WIRE

4 7 5 HAZ SW SIG BATT FD 9 LIN CCN COMPUTER DATA LINES SYSTEM 7-WAY TRAILER TOW WIRING B(+) RT STP TURN BLK WIRE BLK/GRY WIRE BLK/LT GRN WIRE COMPUTER DATA LINES SYSTEM FUSE FUSE FUSE FUSE FUSE STP LMP LMP SIG SIG SIG FD FUSE GND (RIGHT SIDE OF DASH) HOT AT ALL TIMES HOT W/ PARK LAMP RELAY ENERGIZED HOT W/ RUN/ START RELAY ENERGIZED INSIDE REARVIEW MIRROR LEFT FRONT PARK/ TURN (LEFT KICK LAMP PANEL) LEFT FRONT SIDE MARKER LAMP LEFT REAR SIDE MARKER LAMP LEFT TAIL LAMP LEFT BACKUP LAMP TAIL/ ASSEMBLY STOP/ TURN LAMP LT FT LR HAZ TURN TURN SIG LT GRN/RED WIRE PNK WIRE PNK/LT GRN WIRE RED WIRE RED/GRY WIRE RF RT TURN TURN SIG SIG FD IND RIGHT BACKUP LAMP RIGHT FRONT PARK/ TURN LAMP RIGHT FRONT SIDE MARKER LAMP RIGHT TAIL LAMP ASSEMBLY TAIL/ STOP/ TURN LAMP UPPER BANK SWITCH WHT WIRE WHT/BRN WIRE WHT/DK GRN WIRE WHT/GRY WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE WHT/ORG WIRE WHT/RED WIRE WHT/TAN WIRE WHT/VIO WIRE WHT/YEL WIRE

14 23 65 66 BRK SIG 2 BRK SIG 1 2 1 11 CAN IHS BUS (-) CAN IHS BUS (+) LIN CCN 2 5 1 STP LMP SIG GND BATT FD 34 35 35 18 CAN BUS(+) CAN BUS(-) 4.7L, 3.7L 5.7L 6 14 16 HDLP/FOG LP SEL SW DIMMER SIG CARGO LP RTN 6 4 BRK SIG 1 BRK SIG 2 AUTO- STICK SWITCH BLK/DK GRN WIRE BLK/GRY WIRE BLK/TAN WIRE BRAKE PROVISION MODULE (LEFT REAR OF ENGINE COMPT) CARGO LAMP FD CENTER HIGH MOUNTED STOP LAMP CENTER HIGH MOUNTED STOP LAMP (AFTERMARKET) CENTER HIGH MOUNTED STOP/CARGO LAMP CLEARANCE CENTER LAMP (EXCEPT 1500) CLUSTER COMPUTER DATA LINES SYSTEM DIM 3 IP DK GRN/RED WIRE EXCEPT 6.7L 6.7L EXCEPT REGULAR CAB HEADLAMP SWITCH IGN RS IOD FD LEFT CLEARANCE LAMP 2 (EXCEPT 1500) LEFT CLEARANCE RIGHT CLEARANCE LAMP 1 LAMP 2 (EXCEPT 1500) (EXCEPT 1500) LEFT LICENSE LAMP LT BLU/DK GRN WIRE LT GRN/RED WIRE MLFNCT SW RTN ORG/BRN WIRE ORG/GRY WIRE PEDAL SUPPORT) PNK IGN RS WIRE PNK WIRE PNK/LT GRN WIRE POWERTRAIN CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) RED WIRE RIGHT CLEARANCE LAMP 1 (EXCEPT 1500) RIGHT LICENSE LAMP RIGHT REAR SIDE MARKER LAMP STOP LAMP SWITCH (ON BRAKE STOP LT SIG STP LMP SIG WHT WIRE WHT/DK GRN WIRE WHT/GRY WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE WHT/ORG WIRE WHT/TAN WIRE WHT/VIO WIRE WHT/YEL WIRE WIRELESS IGNITION NODE

A/C HEATER CONTROL AUTO HDLP SIG AUTO- STICK SWITCH B(+) BEAM FD LH HIGH BEAM FD RH LOW BLK WIRE BLK/LT BLU WIRE BLK/LT GRN WIRE BLK/TAN WIRE CAN IHS BUS (-) CIRCUIT BOARD CLUSTER COMPUTER DATA LINES SYSTEM DK GRN/WHT WIRE FOG LP SW SIG FUSE FUSED B (+) GROUND HDLP SW MUX RTN HEADLAMP SWITCH HOT AT ALL TIMES LEFT FRONT FOG LAMP LEFT HEADLAMP LF FOG LP CTRL LH HDLP RTN SIG LH LOW BEAM FD LP CTRL RF FOG MLFCT SW RTN ORG/BRN WIRE PANEL LP DIM SIG PARKING BRAKE SWITCH (TOP OF PARKING BRAKE PEDAL) PRK BRK SW SENS RED WIRE RH HIGH BEAM FD RIGHT FRONT FOG LAMP RIGHT HEADLAMP RTN SIG RH HDLP SUN SENSOR (TOP CENTER OF DASH) TOTALLY INTEGRATED POWER MODULE (LEFT FRONT OF ENGINE COMPT) WHT WIRE WHT/DK BLU WIRE WHT/GRY WIRE WHT/LT GRN WIRE WHT/ORG WIRE WHT/TAN WIRE WHT/VIO WIRE WHT/YEL WIRE

B(+) CAN CAN HORN HORN BUS BUS RLY SW (-) (+) COIL SIG BATT FD 9 BLK WIRE BLK/LT GRN WIRE BRN WIRE CIRCUIT BOARD CLUSTER COMPUTER DATA LINES SYSTEM EXCEPT 3.7L QUAB CAB FUSE FUSE FUSE GRY WIRE GRY/LT BLU WIRE GRY/YEL WIRE HORN 1 HORN 2 HORN RELAY HORN SW SIG HORN SWITCH HOT AT ALL TIMES LEFT REMOTE RADIO SWITCH LIN LIN CCN LT BLU WIRE LT GRN WIRE RADIO SW RED WIRE RED/GRY WIRE RIGHT REMOTE RADIO SWITCH RIGHT STEERING WHEEL SWITCH RADIO HORN CONT SW MUX SEN STEERING CONTROL MODULE (LEFT SIDE OF DASH) TOTALLY INTEGRATED POWER MODULE (LEFT FRONT OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/DK GRN WIRE WHT/VIO WIRE YEL WIRE

1 2 3 4 IOD FD GND LIN CCN 6.7L EXCEPT 6.7L AUTO STICK UPSHIFTER FUSED IGN RUN/START IOD FD B(+) BLK WIRE BLK/BRN WIRE BLK/DK GRN WIRE BLK/LT GRN WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SENSOR (LEFT REAR OF ENGINE COMPT) BRN WIRE BRN/WHT WIRE CAN-BUS CARGO LP SW SIG CENTER CONSOLE CIRCUIT BOARD CLUSTER COMPT) COMPUTER DATA LINES SYSTEM DK BLU/WHT WIRE DK GRN/RED WIRE DK GRN/VIO WIRE DK GRN/WHT WIRE DK GRN/YEL WIRE DRIVER COURTESY LAMPS GROUND DRIVER DOOR LATCH DRV DR AJAR SW SENS ERS AUTO STICK SWITCH EXCEPT 6.7L FUEL LVL SENS SIG FUEL PUMP MODULE (INTEGRAL TO INSIDE REARVIEW MIRROR ASSEMBLY) COMPASS MODULE FUSE FUSE FUSE GROUND GROUND LIN CCN HDLP POS FOG LMP SW MODE SELECT ML FNCT SW RTN HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM TRANSMISSIONS SYSTEM HORN SW SNS HORNS SYSTEM HOT AT ALL TIMES HOT W/ RUN/START RELAY ENERGIZED IND DRV INVERTER MODULE LEFT REAR DOOR LATCH (QUAD, CREW CAB) LR DR AJAR SW SENS LT GRN WIRE LT GRN/DK BLU WIRE LT GRN/GRY WIRE LT GRN/LT BLU WIRE LT GRN/ORG WIRE LT GRN/TAN WIRE LT GRN/WHT WIRE LT GRN/YEL WIRE LVL SW SENS BRK FLUID OF DASH) OIL PRESS SW OIL PRESSURE SENSOR (LOWER RIGHT FRONT OF ENGINE) OIL PRESSURE SWITCH (LEFT SIDE OF ENGINE) ORG/BRN WIRE ORG/GRY WIRE PANEL LP DIMMER SIG PARK BRAKE SW SNS LR HEATED SEAT SW SENS RR HEATED SEAT SW SENS PARKING BRAKE SWITCH (TOP OF PARKING BRAKE PEDAL) PASS DR AJAR SW SENS PASSENGER DOOR LATCH PNK/LT GRN WIRE POWERTRAIN CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) RAIL LAMP FDS CARGO LAMPS RED WIRE RED/GRY WIRE RIGHT REAR DOOR LATCH (QUAD, CREW CAB) RR DR AJAR SW SENS RR HEATED SEAT LO IND RR HEATED SEAT HI IND SEATS SYSTEM SEATS SYSTEM SEATS SYSTEM SENS RTN FUEL LVL TOTALLY INTEGRATED POWER MODULE (LEFT FRONT OF ENGINE COMPT) TRANSFER CASE POS SENS TRANSMISSIONS SYSTEM VIO WIRE VIO/BRN WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/DK GRN WIRE WHT/GRY WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE WHT/ORG WIRE WHT/TAN WIRE WHT/YEL WIRE YEL/LT BLU WIRE YEL/WHT WIRE

7-WAY TRAILER TOW WIRING B(+) BACKUP LAMPS CIRCUIT BATT FD BLK/DK GRN WIRE BLK/GRY WIRE BLK/TAN WIRE BRAKE PROVISION MODULE (LEFT REAR OF ENGINE COMPT) BRN WIRE CAN BUS (+) 2 CARGO LAMP CENTER HIGH MOUNTED CENTER HIGH MOUNTED STOP CIRCUIT BOARD COMPUTER DATA LINES SYSTEM CTRL RT TTOW RLY DK GRN WIRE ELEC BRK FD ENGINE COMPT) FUSE FUSE HOT AT ALL TIMES HOT W/ PARK LAMP RELAY ENERGIZED HOT W/ RUN/ START RELAY ENERGIZED IGN RS ITBM BRAKE PROVISION MODULE LT GRN/RED WIRE LT TTOW RLY CTRL PNK/LT GRN WIRE RED/VIO WIRE STOP LAMP (AFTERMARKET) STOP LAMP SWITCH (ON BRAKE PEDAL SUPPORT) STOP LP SIG STP LMP SIG TOTALLY INTEGRATED POWER MODULE (LEFT FRONT OF TRAILER TOW MODULE WHT WIRE WHT/DK GRN WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE WHT/ORG WIRE WHT/RED WIRE WHT/VIO WIRE WIRELESS IGNITION NODE YEL/RED WIRE

ADJ PIN SNSE ADJ PIN SNSE 2 AUXILIARY BATTERY BATT FEED BLK WIRE BRN WIRE BRN/DK GRN WIRE BRN/GRY WIRE BRN/LT BLU WIRE BRN/LT GRN WIRE BRN/ORG WIRE BRN/TAN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM CRANKSHAFT POSITION SENSOR (LOWER LEFT FRONT OF ENGINE BLOCK) CRK SPD SNSR O/P CRKSHFT POS SNSR FD CRKSHFT POS SNSR RTN CURR PIN FD 2 CURRENT PIN FD CURRENT PIN FD 2 DIFF PRESS SNSE DK BLU/BRN WIRE DK BLU/DK GRN WIRE DK BLU/GRY WIRE DK BLU/LT BLU WIRE DK BLU/LT GRN WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE DRVR RTN 4 DSL HIGH SIDE EGR MTR POS SIG EGR MTR POS SIG 3 ENG FAN SPD OUT FEED FUEL HEATER FUEL HEATER RELAY FUEL INJ 4 RTN FUEL SNSE SIG FUSE 10 GAGE GRY WIRE IGN (RUN-START) IGN RS INTAKE AIR HEATER INTAKE AIR HEATER RELAY INTKE AIR HTR RLY 1 BATT LT BLU WIRE OXYGEN SENSOR 1/1 (IN EXHAUST) OXYGEN SENSOR 1/2 (IN EXHAUST) PNK/LT GRN WIRE POSTN SNSR FD POSTN SNSR RTN POWERTRAIN CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) RED WIRE RED/WHT WIRE RED/YEL WIRE RLY 2 BATT INTKE AIR HTR SNSR TO PCM TURBO VAR IN VLV VIO/LT GRN WIRE WATER IN WHT/BRN WIRE WHT/DK GRN WIRE WHT/LT GRN WIRE

AIR INTKE THRTL MTR (+) AIR INTKE THRTL MTR (-) ALTR FLD FD ASD CTRL BLK WIRE BOOST PRESSURE SENSOR BRN WIRE BRN/DK BLU WIRE BRN/DK GRN WIRE BRN/GRY WIRE BRN/LT BLU WIRE BRN/LT GRN WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/TAN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE BST PRESS SIG CAM POSTN CAMSHAFT POSITION SENSOR (LOWER LEFT FRONT OF ENGINE BLOCK) COM SNSR COM SNSR RTN 4 COMPUTER DATA LINES SYSTEM CTRL COM SNSR RTN 4 DIFF PRESS SNSE DK BLU WIRE DK BLU/BRN WIRE DK BLU/GRY WIRE DK BLU/LT GRN WIRE DK BLU/PNK WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE DSEL INLT AIR PRESS SNSR DSEL INLT AIR TEMP SNSR FUEL INJ 6 RTN FUEL INJ 5 RTN DSL HIGH SIDE DRVR RTN EGR MTR OUT EGR MTR POS SIG 2 TURBO SPD SNSR SIG CAM POSTN SNSR SIG ELECTRONIC TURBO ACTUATOR ENG CTRL COM SNSR RTN 4 AIR THRTL STAT FDBK SIG 2 ENG FAN SPD OUT EXHAUST DIFFERENTIAL PRESSURE SENSOR (TOP RIGHT FRONT OF ENGINE) FD 3 FUEL INJ 3 RTN FUEL INJ 2 RTN FUEL INJ 1 RTN FUEL INJ 4 RTN FUEL INJ 4 SIG FUEL INJ 5 RTN FUEL INJ 5 SIG FUEL INJ 6 RTN FUEL INJ 6 SIG FUEL INJECTOR 4 FUEL INJECTOR 5 FUEL INJECTOR 6 FUEL PUMP MOTOR GRY/BRN WIRE HI SIDE DRVR RTN INLET AIR PRESSURE SENSOR (RIGHT FRONT OF ENGINE) INTKE TEMP SENS SIG INTKE THRTL MTR (+) LT BLU/BRN WIRE LT GRN/BRN WIRE MAF AFLW SIG OIL PRESSURE SWITCH (LEFT SIDE OF ENGINE) ORG/BRN WIRE PMP POWERTRAIN CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) RAD FAN MTR SPD RAD FAN MTR SPD SIG OIL PRESS SNSE/SW SIG RADIATOR FAN DRIVE RED/VIO WIRE RTN 4 SNSR SIG SSR IGN FD STARTING/CHARGING SYSTEM THRTL STAT FDBK SIG 2 VIO/GRY WIRE VIO/ORG WIRE VLTG FD WHT/BRN WIRE WHT/DK GRN WIRE WHT/LT GRN WIRE YEL/BRN WIRE