BUZZERS, RELAYS & TIMERS
| Component | Component Location |
|---|---|
| A/C Compressor Clutch Relay | In underhood fuse/relay center. |
| Air Injection Reaction Relay | In underhood fuse/relay center. |
| Auxiliary Blower Motor Relay (High/Med/Lo) | On auxiliary A/C-heater blower housing, right rear of vehicle. |
| Auxiliary Cooling Fan Relay | On underhood fuse/relay center. |
| Blower Motor Relay (High) | On top of front A/C-heater blower housing. |
| Cargo Door Lock Relay | Behind left "C" pillar. |
| Daytime Running Lamp (DRL) Relay | On convenience center. |
| Door Lock Relay | Under center of dash, near remote control door lock receiver. |
| Emergency Vehicle Front Lamp Relay | Behind right side of dash. |
| Fog Lamp Relay | On convenience center. |
| Fuel Gauge Relay | Left side of engine compartment, under VCM. |
| Fuel Pump Balance Relay | On fuel pump balance module. |
| Fuel Pump Relay | In underhood fuse/relay center. |
| Glow Plug Relay (6.5L VIN F) | On top left rear of engine. (Схема №9) |
| Heated Mirror Relay | Behind left side of dash, above dash support bracket. |
| Horn Relay | In underhood fuse/relay center. |
| Ignition Relay | In underhood fuse/relay center. |
| Liftgate Release Relay | On right center of liftgate. |
| Lock-Off Relay | In underhood fuse/relay center. |
| Power Amplifier Relay | Behind center of dash. |
| Starter Relay | In underhood fuse/relay center. |
| Stoplamp Relay | In underhood fuse/relay center. |
| Transfer Case Timer Logic & Relay Module | Rear of engine compartment, near center of firewall. |
| Turn/Hazard Flasher | On convenience center. |
BUZZERS, RELAYS & TIMERS
CIRCUIT PROTECTION DEVICES
| Component | Component Location |
|---|---|
| AF Diode 1 | In underhood fuse/relay center. |
| AF Diode 2 | In underhood fuse/relay center. |
| Convenience Center | Under left side of dash. |
| Fusible Link | Molded into positive battery cable. |
| I/P Fuse Block | Under left side of dash. |
| Mega Fuse Block | On right front of engine compartment, near battery. |
| Underhood Fuse/Relay Center | On left rear of engine compartment. (Схема №12) |
CIRCUIT PROTECTION DEVICES
CONTROL UNITS
| Component | Component Location |
|---|---|
| Alternative Fuel Engine Control Unit (AF ECU) | In front of brake master cylinder. |
| Audio Alarm Module | On convenience center. |
| Automatic Transfer Case Control Module | Behind left side of dash. |
| Auxiliary HVAC Logic Module | In overhead console. |
| Body Control Module | In center console. |
| Cruise Control Module | In left rear of engine compartment, on firewall. |
| Daytime Running Lamp (DRL) Module | Behind left side of dash, taped to panel wiring harness. |
| Door Lock Control Module | In front of left rear wheelwell. |
| Door Lock Inversion Module | Behind left side of dash. |
| Electronic Brake Control Module (EBCM) | On left side of engine compartment. (Схема №12) |
| Electronic Variable Orifice (EVO)/Passlock Control Module | Under center of dash. |
| Fuel Pump Balance Module | Inside left side frame rail. |
| Fuel Solenoid Driver (6.5L VIN F) | On left side of fuel injection pump. (Схема №8) |
| Glow Plug Control Module (6.5L VIN F) | On left rear of intake manifold. |
| Headlamp Control Module | Behind lower left side of dash. |
| Heated Seat Module (4) | Under each respective power seat. |
| HVAC Control Module | Part of heater controls in center of dash. |
| Ignition Control Module (5.7L VIN R) | On right side, rear of engine. |
| Ignition Control Module (7.4L VIN J) | On rear of intake manifold. |
| Inflatable Restraint Sensing & Diagnostic Module | Under driver's seat carpet. |
| Interior Lamp Control Module | Under center of dash. |
| Low Coolant Level Indicator Module (6.5L VIN F) | Behind center of dash. |
| Powertrain Control Module (PCM) (6.5L VIN F) | Behind right side of dash, near blower motor. |
| Remote Control Door Lock Receiver | Behind center of dash. |
| Transfer Case Control Module (TCCM) | Under dash, on steering column support bracket. |
| Vehicle Control Module (VCM) | On left side of engine compartment. (Схема №12) |
| Vehicle Interface Unit (VIU) | Under right rear seat. |
CONTROL UNITS
MOTORS
| Component | Component Location |
|---|---|
| Air Injection Reaction Pump (5.7L VIN R) | On left front of engine compartment. |
| Auxiliary Blower Motor | Behind right rear wheelwell. |
| Auxiliary Cooling Fan Motor | In front of radiator. |
| Auxiliary Mode Door Motor | Rear of left rear wheelwell. |
| Auxiliary Temperature Door Motor | Forward of left rear wheelwell. |
| Balance Fuel Pump (Dual Tanks Only) | On inside left frame rail, near front of rear tank. |
| Front Blower Motor | Under right side of dash. |
| Fuel Lift Pump (6.5L VIN F) | Inside left frame rail, below driver's door. |
| Idle Air Control (IAC) Valve (5.7L VIN R) | Attached to right rear of throttle body. (Схема №2) |
| Idle Air Control (IAC) Valve (7.4L VIN J) | Attached to right rear of throttle body. (Схема №11) |
| Injection Timing Stepper Motor (6.5L VIN F) | On top right front of engine. |
| Mixture Control Valve (MCV) Motor | On right front of engine. |
| Mode Door Motor | Behind dash, on left side of HVAC housing. |
| Recirculation Door Motor | On A/C-heater housing. |
| Temperature Door Motor | Behind dash, on center of HVAC housing. |
| Transfer Case Shift Motor | Under transfer case input shaft. |
| Windshield Washer Pumps (Front & Rear) | In washer fluid reservoir, near left shock tower. |
| Wiper Motor Module (Front) | On center of firewall. |
| Wiper Motor Module (Rear) | On lower inner center of rear window. |
MOTORS
SENDING UNITS & SENSORS
| Component | Component Location |
|---|---|
| Automatic Transmission Fluid Temperature Sensor | Inside of transmission oil pan. |
| Automatic Transmission Input Shaft Speed Sensor | On left side of transmission. |
| Boost Pressure Sensor (6.5L VIN F) | On top center of engine. (Схема №9) |
| Camshaft Position (CMP) Sensor (5.7L VIN R) | Inside the distributor. |
| Camshaft Position (CMP) Sensor (7.4L VIN J) | Inside the distributor. |
| Crankshaft Position (CKP) Sensor (5.7L VIN R) | On bottom front of engine, near crank pulley. (Схема №3) |
| Crankshaft Position (CKP) Sensor (6.5L VIN F) | On bottom front of engine, near crank pulley. (Схема №7) |
| Crankshaft Position (CKP) Sensor (7.4L VIN J) | On bottom front of engine, near crank pulley. (Схема №11) |
| EGR Control Pressure/BARO Sensor (6.5L VIN F) | On upper left side of firewall, next to wiper motor. (Схема №5) |
| Engine Coolant Temperature Sender | On left cylinder head, near No. 1 spark plug. |
| Engine Coolant Temperature (ECT) Sensor (5.7L VIN R) | On top right front of engine, near thermostat housing. |
| Engine Coolant Temperature (ECT) Sensor (6.5L VIN F) | On top right front of engine, near thermostat housing. |
| Engine Coolant Temperature (ECT) Sensor (7.4L VIN J) | On top right front of engine, near thermostat housing. (Схема №11) |
| Fuel Pressure Sensor (FPS) | On end of CNG fuel tank. |
| Fuel Pump & Sender | In fuel tank. |
| Fuel Tank Pressure Sensor | In fuel tank. |
| Fuel Temperature Sensor (FTS) | On end of CNG fuel tank. |
| Gas Mass Sensor (GMS) | On right front of engine. |
| Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 (5.7L VIN R) | In left exhaust pipe, in front of catalytic converter. |
| Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 (7.4L VIN J) | In left exhaust pipe, in front of catalytic converter. |
| Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 (5.7L VIN R) | In left exhaust pipe, behind catalytic converter. |
| Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 (7.4L VIN J) | In left exhaust pipe, behind catalytic converter. |
| Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 (5.7L VIN R) | In right exhaust pipe, in front of catalytic converter. |
| Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 (7.4L VIN J) | In right exhaust pipe, in front of catalytic converter. |
| Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 (5.7L VIN R) | In right exhaust pipe, behind catalytic converter. |
| Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 (7.4L VIN J) | In right exhaust pipe, behind catalytic converter. |
| Inflatable Restraint Front End Discriminating Sensor | Under front outside center of radiator. |
| Intake Air Temperature (IAT) Sensor (5.7L VIN R) | In air intake duct. |
| Intake Air Temperature (IAT) Sensor (6.5L VIN F) | On top of engine, near intake manifold opening. (Схема №6) |
| Intake Air Temperature (IAT) Sensor (7.4L VIN J) | In air intake duct. |
| Knock Sensor (KS) (5.7L VIN R) | On right side of engine block, below exhaust manifold, forward of starter. (Схема №3) |
| Knock Sensor (KS) (Left/Right) (7.4L VIN J) | On left and right side of engine block, below exhaust manifolds. |
| Manifold Absolute Pressure (MAP) Sensor (5.7L VIN R) | On top right of engine, near fuel injectors. (Схема №1) |
| Manifold Absolute Pressure (MAP) Sensor (6.5L VIN F) | On top right side of engine. |
| Manifold Absolute Pressure (MAP) Sensor (7.4L VIN J) | On top right front of engine. (Схема №11) |
| Mass Air Flow (MAF) Sensor (5.7L VIN R) | In air intake duct. |
| Mass Air Flow (MAF) Sensor (7.4L VIN J) | In air intake duct. |
| Optical/Fuel Temperature Sensor (6.5L VIN F) | On top of fuel injection pump. (Схема №8) |
| Shock Sensor | In center console. |
| Steering Handwheel Speed Sensor | On steering column, near firewall. |
| Throttle Position (TP) Sensor (5.7L VIN R) | On throttle body assembly. (Схема №2) |
| Throttle Position (TP) Sensor (7.4L VIN J) | On throttle body assembly. (Схема №11) |
| Vehicle Speed Sensor (VSS) | On left side of transmission, left side of transfer case W/4WD. |
| Water-In-Fuel Sensor (6.5L VIN F) | On fuel filter/manager. (Схема №10) |
| Wheel Speed Sensor (Front) (2) | On left & right front wheel hub assembly. |
SENDING UNITS & SENSORS
SOLENOIDS & SOLENOID VALVES
| Component | Component Location |
|---|---|
| Brake/Transmission Shift Interlock (BTSI) Solenoid | Right side of steering column, under support bracket. |
| CDR Valve (6.5L VIN F) | On right side of engine. (Схема №9) |
| Engine Shutoff Solenoid (6.5L VIN F) | On top of fuel injection pump. (Схема №8) |
| Evaporative Emissions (EVAP) Canister Purge Solenoid (5.7L VIN R) | On top right side of engine. (Схема №1) |
| Evaporative Emissions (EVAP) Canister Purge Solenoid (7.4L VIN J) | On right side of engine. |
| Evaporative Emissions (EVAP) Canister Vent Solenoid | On left side of engine compartment. |
| Exhaust Gas Recirculation (EGR) Solenoid (6.5L VIN F) | On top left rear of engine. (Схема №9) |
| Exhaust Gas Recirculation (EGR) Valve (5.7L VIN R) | On front of engine, near thermostat housing. (Схема №1) |
| Exhaust Gas Recirculation (EGR) Valve (6.5L VIN F) | On top center of engine. (Схема №9) |
| Exhaust Gas Recirculation (EGR) Valve (7.4L VIN J) | On top left side of engine. |
| Exhaust Gas Recirculation (EGR) Vent Solenoid (6.5L VIN F) | On top left rear of engine. (Схема №9) |
| Front Axle Actuator | On right rear of front drive axle. |
| Fuel Solenoid (6.5L VIN F) | On rear of fuel injection pump. (Схема №8) |
| High Pressure Lock-Off Solenoid | On end of CNG fuel tank. |
| Low Pressure Lock-Off Solenoid | Top of engine, on low pressure regulator. |
| Steering Assist Control Solenoid | Part of power steering pump. |
| Wastegate Solenoid (6.5L VIN F) | On top left rear of engine. (Схема №9) |
SOLENOIDS & SOLENOID VALVES
SWITCHES
| Component | Component Location |
|---|---|
| A/C Compressor Clutch Cycling Switch | On top of accumulator. |
| A/C High Pressure Cutout Switch | On rear of A/C compressor. |
| A/C Low Pressure Cutout Switch | On top of A/C compressor. |
| Back-Up Lamp Switch (M/T) | On left side of transmission. |
| Brake Pressure Warning Switch | On underside of electronic brake control module. |
| Clutch Pedal Position Switch | On top of clutch pedal bracket. |
| Evaporative Emission (EVAP) Purge Solenoid Vacuum Switch (5.7L VIN R) | On top of engine. |
| Evaporative Emission (EVAP) Purge Solenoid Vacuum Switch (7.4L VIN J) | On top of engine. |
| Low Coolant Level Switch | In coolant reservoir, right side of engine compartment. |
| Oil Pressure Switch (5.7L VIN R) | On top left rear of engine, near distributor. |
| Oil Pressure Switch (6.5L VIN F) | Under intake manifold, left center of engine. (Схема №4) |
| Oil Pressure Switch (7.4L VIN J) | On top left rear of engine, near distributor. |
| Park Brake Warning Switch | On parking brake pedal bracket. |
| Park/Neutral Position Switch | On left side, center of transmission. |
| Seat Belt Switch | On driver's seat belt buckle. |
| Stoplight Switch | On top of brake pedal. |
| Transfer Case Switch | On top left of transfer case. |
| Transmission Range Switch | On left side of transmission. |
SWITCHES
MISCELLANEOUS
| Component | Component Location |
|---|---|
| Audio Amplifier | Under center floor console. |
| Auxiliary Battery | On left front of engine compartment. |
| Auxiliary Blower Resistor | On top of auxiliary HVAC plenum. |
| Blower Motor Resistor | On top of HVAC plenum. |
| Data Link Connector (DLC) | Under left side of dash, left of steering column. (Схема №13) |
| Distributor (5.7L VIN R) | Top rear of engine. |
| Distributor (7.4L VIN J) | Top rear of engine. |
| Fuel Heater (6.5L VIN F) | On fuel manager/filter. (Схема №10) |
| Fuel Injection Pump (6.5L VIN F) | On top front of engine. (Схема №8) |
| Fuel Injectors (5.7L VIN R) | Top of engine, in intake manifold. |
| Fuel Injectors (7.4L VIN J) | Top of engine, in intake manifold. |
| Fuel Manager/Filter (6.5L VIN F) | On top rear of engine. (Схема №9) |
| Fuel Pump Prime Connector (5.7L VIN R) | On left rear of engine compartment. |
| Fuel Pump Prime Connector (7.4L VIN J) | On left rear of engine compartment. |
| Ignition Coil (5.7L VIN R) | On top right rear of engine. |
| Power Amplifier | Behind center of dash. |
| Vehicle Speed Sensor Buffer | Behind right side of dash. |
MISCELLANEOUS
CONNECTORS
| Component | Component Location |
|---|---|
| C100 (Light Gray, 36 Pin) | In left rear side of engine compartment. |
| C103 (Gray, 4 Pin) | In left rear side of engine compartment. |
| C105 | At rear of intake manifold. |
| C107 (Black, 6 Pin) | On left front of transmission. |
| C108 (Natural, 5 Pin) | Under brake master cylinder. |
| C109 (Gray, 4 Pin) | Under brake master cylinder. |
| C110 (Yellow, 2 Pin) | In left rear of engine compartment. |
| C112 (Black, 8 Pin) | Center rear of engine. |
| C113 (Black, 15 Pin) | Center rear of engine. |
| C115 (Black, 2 Pin) | On top front center of engine. |
| C116 (Black, 3 Pin) | On front left side of engine compartment. |
| C118 (Black, 10 Pin) | Near underhood fuse block. |
| C119 (Black, 6 Pin) | Near underhood fuse block. |
| C120 (Black, 4 Pin) | Near transmission. |
| C122 | On right side of transmission. |
| C130 (Black, 4 Pin) | Below brake master cylinder. |
| C131 (Black, 7 Pin) | Below brake master cylinder. |
| C132 (Gray, 10 Pin) | Below brake master cylinder. |
| C140 (Black, 6 Pin) | Below brake master cylinder. |
| C142 (Black, 2 Pin) | Below brake master cylinder. |
| C200 (Black, 32 Pin) | Near heater motor. |
| C203 (Black, 2 Pin) | Near heater motor. |
| C204 (Natural, 10 Pin) | Behind right side of dash. |
| C205 (Black, 2 Pin) | At convenience center. |
| C206 (Gray, 6 Pin) | In lower left side "A" pillar. |
| C207 (Black, 8 Pin) | In lower left side "A" pillar. |
| C208 | In lower left side "A" pillar. |
| C209 (Black, 6 Pin) | In lower left side "A" pillar. |
| C210 (Gray, 6 Pin) | At convenience center. |
| C211 (Black 2 Pin) | Under left front seat. |
| C212 (Black, 4 Pin) | Under left front seat. |
| C213 (Black, 8 Pin) | Inside lower right side "A" pillar. |
| C214 (Black, 8 Pin) | In lower right side "A" pillar. |
| C215 (Blue, 8 Pin) | In lower right side "A" pillar. |
| C216 (Natural, 2 Pin) | In lower right side "A" pillar. |
| C221 | At convenience center. |
| C222 | At convenience center. |
| C223 | At convenience center. |
| C227 (Black, 6 Pin) | I/P harness. |
| C228 (Black, 2 Pin) | Under right front seat. |
| C229 (Black, 6 Pin) | Under right front seat. |
| C230 (Black, 8 Pin) | Above HVAC evaporator housing. |
| C231 (Yellow, 8 Pin) | Behind right side of dash. |
| C232 (Yellow, 4 Pin) | Behind right side of dash. |
| C233 (Yellow, 2 Pin) | Behind right side of dash. |
| C235 (Black, 4 Pin) | Near P100. |
| C236 (Natural, 4 Pin) | Under left front seat. |
| C237 (Natural, 4 Pin) | Under right front seat. |
| C238 (Black, 2 Pin) | In roof harness. |
| C239 (Gray, 6 Pin) | Near heater motor. |
| C240 | In right hand power seat harness. |
| C242 | Behind radio. |
| C243 (Black, 8 Pin) | In left lower "A" Pillar. |
| C245 (Gray, 2 Pin) | Near EVO/Passlock breakout. |
| C250 | Above HVAC Plenum. |
| C251 (Black, 8 Pin) | Above HVAC Plenum. |
| C252 (Black, 4 Pin) | Above HVAC Plenum. |
| C266 (Black, 48 Pin) | Near firewall. |
| C267 | In right front seat harness. |
| C271 (Blue, 10 Pin) | At top of steering column support bracket. |
| C272 | At top of steering column support bracket. |
| C280 (Green, 3 Pin) | At convenience center. |
| C298 (Natural, 16 Pin) | At convenience center. |
| C299 (Blue, 10 Pin) | Above HVAC evaporator. |
| C300 (Blue, 8 Pin) | In overhead console. |
| C301 (Natural, 10 Pin) | At left front kick panel. |
| C302 (Light Green, 6 Pin) | At left front kick panel. |
| C303 (Black, 3 Pin) | Behind headliner. |
| C304 (Blue, 56 Pin) | I/P harness. |
| C305 (Black, 56 Pin) | In to floor console harness. |
| C306 (Black, 4 Pin) | Above overhead console. |
| C307 (Natural, 3 Pin) | Above overhead console. |
| C308 (Black, 3 Pin) | Above overhead console. |
| C310 (Gray, 6 Pin) | In right heated seat harness. |
| C311 (Black, 6 Pin) | In left heated seat harness. |
| C314 (Black, 2 Pin) | At right rear "D" Pillar. |
| C320 (Black, 4 Pin) | Power seat harness. |
| C321 (Black, 4 Pin) | Power seat harness. |
| C322 (Black, 4 Pin) | Power seat harness. |
| C323 (Black, 4 Pin) | Power seat harness. |
| C400 (Black, 2 Pin) | At right rear of vehicle, above auxiliary blower motor. |
| C401 (Gray, 6 Pin) | Above auxiliary blower motor. |
| C402 (Black, 4 Pin) | At center rear of vehicle. |
| C404 | Near liftgate release motor. |
| C405 | Top of right side "D" pillar. |
| C406 (Black, 2 Pin) | Top of right side "D" pillar. |
| C408 | Below center rear edge of bed. |
| C410 (Black, 4 Pin) | In rear radio speaker harness. |
| C411 (Black, 8 Pin) | In rear cargo lamp harness. |
| C496 (Gray, 6 Pin) | At lower right "B" Pillar. |
| C497 (Black, 6 Pin) | At lower right "B" Pillar. |
| C498 (Gray, 6 Pin) | At lower left "B" Pillar. |
| C499 (Black, 6 Pin) | At lower left "B" Pillar. |
CONNECTORS
GROUNDS
| Component | Component Location |
|---|---|
| G101 | At right front of engine compartment. |
| G102 (6.5L VIN F) | On right front of intake manifold. |
| G103 (5.7L VIN R) | Near thermostat housing. |
| G103 (6.5L VIN F) | On left front of intake manifold. |
| G103 (7.4L VIN J) | Near thermostat housing. (Схема №11) |
| G104 (5.7L VIN R) | On right rear of engine block. |
| G104 (6.5L VIN F) | On rear of right cylinder head. |
| G104 (7.4L VIN J) | Near thermostat housing. (Схема №11) |
| G105 (5.7L VIN R) | On lower right front of engine. |
| G105 (6.5L VIN F) | On rear of right cylinder head. |
| G105 (7.4L VIN J) | On lower right front of engine. |
| G108 | Top center of firewall. |
| G110 | In right rear of engine compartment. |
| G111 | On right rear side of engine. |
| G113 | Near left side headlight. |
| G115 | On frame rail. |
| G200 | On tie bar. |
| G201 | On tie bar. |
| G202 | On HVAC plenum bracket. |
| G300 | On "C" pillar. |
| G400 | On right "B" pillar. |
| G401 | Behind bumper. |
| G404 | Inside left side frame rail. |
GROUNDS