Component | Location | Locator View | Connector End View |
|---|---|---|---|
Air Suspension Dump Switch | In the upper left side of the IP | Suspension Controls Connector End Views in Air Suspension | |
Backup Lamps | On the rear of the left and right frame rails (part of the stop, turn and taillamp) | ||
Backup Lamps Switch (Automatic Transmission) | On the lower right side of the transmission | ||
Backup Lamps Switch (Manual Transmission) | On the upper right side of the transmission | ||
Cigar Lighter Lamp | In the center of the IP, at the right of the radio (part of the cigar lighter) | ||
Clearance Lamp, Left Side | At the top of the roof, on the forward left outboard side of the cab | ||
Clearance Lamp, Right Side | At the top of the roof, on the forward right outboard side of the cab | ||
Daytime Running Lamp (DRL) Indicator Lamp Diode | On the right side of the lower IP, in front of the blower motor, behind the panel | -- | -- |
Daytime Running Lamp (DRL) Indicator Lamp Relay | On the right side of the lower IP, in front of the blower motor, behind the panel, in relay center 3 | Power and Grounding Component Views in Wiring Systems | -- |
Daytime Running Lamps (DRL) Off Relay | On the right side of the lower IP, in front of the blower motor, behind the panel, in the relay center 3 | Power and Grounding Component Views in Wiring Systems | -- |
Daytime Running Lamp (DRL) Off 2 Relay | On the right side of the lower IP, in front of the blower motor, behind the panel, in relay center 3 | Power and Grounding Component Views in Wiring Systems | -- |
Daytime Running Lamps (DRL) On Relay | On the right side of the lower IP, in front of the blower motor, behind the panel, in the relay center 3 | Power and Grounding Component Views in Wiring Systems | -- |
Daytime Running Lamps (DRL) Series Dropping Resistor | At the main branch of the data link connector (DLC) breakout | -- | |
Differential Lock Switch | In the upper left side of the IP | Rear Axle Connector End Views in Rear Axle Controls | |
Diode Module 1 | Below the left side of the IP to the right of the steering column, in joint connector 1, row 1, terminals A-K | -- | -- |
Diode Module 2 | Below the left side of the IP to the right of the steering column, in joint connector 2, row 1, terminals A-K | -- | -- |
Dome Lamp | At the center front of the cab at the top | -- | |
Door Jamb Switch, Left Side | On the left front door frame, at the rear of the opening | -- | |
Exhaust Brake Switch | In the center of the IP | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges, and Console | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges, and Console |
Fast Idle Switch | In the upper left side of the IP | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges, and Console | |
Generator | On the right side of the engine | Engine Electrical Component Views in Engine Electrical | Engine Electrical Connector End Views in Engine Electrical |
Headlamp, Left High/Low Beam | In the left front of the exterior cab body | ||
Headlamp, Right High/Low Beam | In the right front of the exterior cab body | ||
Heated Mirror Switch C216 | In the upper left side of the IP | ||
HVAC Control | In the center of the IP, above the radio | HVAC Connector End Views in HVAC Systems with A/C Manual | |
ID Lamp, Center | On the top of the roof, in the center of the cab | ||
ID Lamp, Left Side | On the top of the roof, in the forward left inboard side of the cab | ||
ID Lamp, Right Side | On the top of the roof, in the forward right inboard side of the cab | ||
Interior Lamps Dimmer Buss | In the upper IP harness, under the crash pad, at the top of the IP, row 1 (terminals 1A, 1B, 1C, 1D, 1E, 1F, 1G, 1H, 1J and 1L) | -- | -- |
Interior Upfitter Connector | The inline connector in the lower IP harness, below the IP, to the left of the center of the cab | -- | Power and Grounding Connector End Views in Wiring Systems |
Inverting Driver Module (ABS-Hydraulic) | Under the right seat | ||
Instrument Panel Cluster (IPC) | On the left side of the IP | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges, and Console | |
IP Fuse Block | In the right top of the IP, under the access panel | -- | |
Lighted Mirror Connector Jumper | In connector C216 (6 cavities), in the upper IP harness | -- | |
Lighted Outside Rearview Mirrors | On the exterior of the left and right doors | -- | |
Lighting Relay | In the top of the IP, under the access panel, in relay center 1 | -- | |
Marker Lamps Switch | In the center of the IP | ||
Multifunction Alarm Module (MFAM) | Under the right seat | Audible Warnings Connector End Views in Instrument Panel, Gauges, and Console | |
Multifunction Switch | Mounted on the steering column | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges, and Console | |
Park Brake Switch (Hydraulic Brakes) | On the park brake lever bracket | -- | |
Park Brake Switch (Air Brakes) | In the center of the IP, below the radio | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges, and Console | |
Park and Turn Signal Lamp, Left Front | On the left front of the front bumper | ||
Park and Turn Signal Lamp, Right Front | On the right front of the front bumper | ||
Radio | In the center of the IP, below the HVAC controller | Entertainment Connector End Views in Entertainment | |
Relay Center 1 | In the top of the IP, under the access panel | -- | |
Relay Center 2 | In the center of the lower IP, behind the panel | -- | |
Shift Select Lever | In the center console | -- | |
Sidemarker Lamp, Left Front | In the left forward bottom of the door | ||
Sidemarker Lamp, Right Front | In the right forward bottom of the door | ||
Speedometer | In the instrument cluster, on the right side | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges, and Console | |
Splice Pack 3 | Below the left side of the IP to the right of the steering column, row 3, terminals A-K | -- | -- |
Stoplamps Relay (ABS-Hydraulic) | In the center of the lower IP, behind the panel, in relay center 2 | -- | |
Stoplamps Switch (ABS-Air) | On the left side of the exterior bulkhead, under the brake pedal, on the air brake application valve | ||
Stoplamps Switch (ABS-Hydraulic) | On the brake pedal support | -- | |
Stop, Turn and Taillamp, Left Side | On the rear of the left frame rail | ||
Stop, Turn and Taillamp, Right Side | On the rear of the right frame rail | ||
Taillamps Relay | In the top of the IP, under the access panel, in the relay center 1 | -- | |
Tractor Receptacle | In the side of the cab bridge, on the bracket near the power steering reservoir | -- | -- |
Trailer Receptacle | Behind the cab, on the cab bridge bracket at the left frame rail | -- | |
Trailer Stop Relay | On the left side of the cab bridge, on the relay bracket, on the power steering reservoir mounting bracket, near the MaxiFuse® block | Engine Controls Component Views in Engine Controls 7.8L | |
Trailer Stoplamps Switch (ABS-Air) | In the center of the IP, below the radio | ||
Turn/Hazard Flasher Module | Under the center of the IP, at the floor level | ||
Two Speed Rear Axle Switch | In the upper left side of the IP | Rear Axle Connector End Views in Rear Axle Controls | |
C105 | The front turn signal harness to the front chassis harness, on the left top of the #1 crossmember | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C116 | The engine harness to the front chassis harness, at the right front of the engine | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C200 | The lower IP harness to the front chassis harness, in the left center of the cab, in the cab interface connector housing | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C202 | The lower IP harness to the front chassis harness, in the left center of the cab, in the cab interface connector housing | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C208 | The lower IP harness to the roof harness | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C210 | The lower IP harness to the floor harness | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C212 | The lower IP harness to the upper IP harness, in the left center of the IP at the floor | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C216 (lighted mirror) | In the upper IP harness | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C405 | The front chassis harness to the rear chassis and taillamps harness, on the inboard side of the right frame rail, inboard of the batteries | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C406 | On the inboard side of the right frame rail, inboard of the batteries | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C407 (Automatic Transmission) | The front chassis harness to the starter harness, on the bell housing mounting bracket | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C407 (Manual Transmission) | In the front chassis harness, capped, on the bell housing mounting bracket | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C409 | The front chassis harness to the transmission harness | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C501 | The left door harness to the left heated or lighted outside rearview mirror | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C503 | The left mirror connector harness to the heated or lighted outside rearview mirror | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C601 | The right door harness to the right heated or lighted outside rearview mirror | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
C603 | The right mirror connector harness to the heated or lighted outside rearview mirror | Harness Routing Views in Wiring Systems | Inline Harness Connector End Views in Wiring Systems |
G105 | On the left front of the #1 crossmember | Power and Grounding Component Views in Wiring Systems | -- |
G107 | From the front chassis harness, on the left frame rail, approximately 25 cm (10 in) to the rear of the front shock absorber | Power and Grounding Component Views in Wiring Systems | -- |
G405 | The negative battery cable to the right frame rail | Power and Grounding Component Views in Wiring Systems | -- |
P100 | On the front chassis harness, under the hood, in the center of the bulkhead, in the cab interface connector housing | -- | -- |
P201 | On the IP harness, under the hood, on the left side of the bulkhead | -- | -- |
P204 | On the IP harness, under the hood, on the left side of the bulkhead | -- | -- |
P501 | On the left door harness, to the lower IP harness | -- | -- |
P503 | On the left door harness, in the left door | -- | -- |
P601 | On the right door harness, to the lower IP harness | -- | -- |
P603 | On the right door harness, in the left door | -- | -- |
S102 | In the front turn signal harness, in the main branch, approximately 34 cm (13 in) from the left turn signal breakout | -- | -- |
S103 | In the front chassis, approximately 7 cm (3 in) to the rear of the main harness breakout | -- | -- |
S105 | In the front turn signal harness, in the main branch, approximately 40 cm (16 in) from the left turn signal breakout | -- | -- |
S126 | In the front chassis, approximately 30 cm (12 in) to the rear of the starter harness | -- | -- |
S183 | In the front chassis, approximately 3 cm (1 in) forward of the engine oil pressure switch breakout | -- | -- |
S219 | In the upper IP harness, to the right of the fuse block harness breakout | -- | -- |
S227 | In the upper IP harness, under the IP, approximately 6 cm (2 in) to the left of the fuse block breakout | -- | -- |
S229 | In the lower IP harness, under the left side of the IP at P203 | -- | -- |
S230 | In the lower IP harness, under the right side of the IP, approximately 12 cm (5 in) from P203 | -- | -- |
S231 | In the lower IP harness, in the main harness at the fuse center breakout | -- | -- |
S232 | In the lower IP harness, in the main harness at the fuse center breakout | -- | -- |
S236 | In the lower IP harness, in the IP extension breakout, approximately 20 cm (8 in) from the main branch | -- | -- |
S237 | In the lower IP harness, in the main harness at the HVAC and turn/hazard flasher module harness breakout | -- | -- |
S238 | In the lower IP harness, approximately 12 cm (5 in) to the right of the relay center 1 harness breakout | -- | -- |
S253 | In the lower IP harness, between the stoplamps switch and the stoplamp relay | -- | -- |
S259 | In the lower IP harness, between the turn/hazard flasher module and the IP cluster | -- | -- |
S265 | In the upper IP harness, in the main harness, approximately 21 cm (8 in) from the upper IP connector C212 | -- | -- |
S269 | In the upper IP harness, in the main harness, approximately 21 cm (8 in) from the upper IP connector C212 | -- | -- |
S270 | In the upper IP harness, in the main harness, approximately 4 cm (2 in) to the right of the speedometer | -- | -- |
S271 | In the upper IP harness, in the main harness, approximately 19 cm (8 in) from the upper IP connector C212 | -- | -- |
S272 | In the upper IP harness, at the main breakout, at the splice pack breakout | -- | -- |
S278 | In the lower IP harness, below the IP, at the fuse block harness breakout | -- | -- |
S279 | In the lower IP harness, below the IP, approximately 5 cm (2 in) to the right of the relay center 1 harness breakout | -- | -- |
S280 | In the lower IP harness, in the main harness, at the frame harness breakout | -- | -- |
S283 | In the lower IP harness, in the right side of the IP, at the IP ground breakout | -- | -- |
S286 | In the lower IP harness, in the main harness, at the fuse block harness breakout | -- | -- |
S287 | In the upper IP harness, in the main harness, approximately 22 cm (9 in) to the right of the fuse block harness breakout | -- | -- |
S288 | In the upper IP harness, in the main harness, approximately 13 cm (5 in) to the right of the relay center 1 harness breakout | -- | -- |
S295 | In the lower IP harness, in the main harness, at the C200 and C202 breakout | -- | -- |
S303 | In the lower IP harness, between the IP fuse block and C208 | -- | -- |
S312 | In the lower IP harness, between the lighting relay and C200 | -- | -- |
S313 | In the lower IP harness, between the DRL series dropping resistor and the DRL on relay | -- | -- |
S314 | In the lower IP harness, between the DRL indicator lamp relay and diode module 2 | -- | -- |
S315 | In the lower IP harness, between the left headlamp and the right headlamp | -- | -- |
S316 | In the lower IP harness, between the left headlamp and the right headlamp | -- | -- |
S317 | In the lower IP harness, between the left headlamp and the right headlamp | -- | -- |
S318 | In the lower IP harness, between the IP lamp dimmer buss and C210 | -- | -- |
S319 | In the lower IP harness, between relay center 1 and the interior upfitter connector | -- | -- |
S320 | In the lower IP harness, between relay center 1 and C200 | -- | -- |
S321 | In the lower IP harness, between relay center 1 and C200 | -- | -- |
S322 | In the lower IP harness, between relay center 1 and the interior upfitter connector | -- | -- |
S324 | In the lower IP harness, between the multifunction switch and C200 | -- | -- |
S325 | In the lower IP harness, between the multifunction switch and C200 | -- | -- |
S326 | In the lower IP harness, between the multifunction switch and C200 | -- | -- |
S327 | In the lower IP harness, between the multifunction switch and C200 | -- | -- |
S328 | In the lower IP harness, between the multifunction switch and C200 | -- | -- |
S330 | In the lower IP harness, between the dome lamp and G105 | -- | -- |
S335 | In the lower IP harness, between the turn/hazard flasher module and the IP cluster | -- | -- |
S339 | In the lower IP harness, between C210 and the park brake switch | -- | -- |
S342 | In the upper IP harness, approximately 36 cm (14 in) from the upper IP connector C212 | -- | -- |
S343 | In the upper IP harness, approximately 24 cm (9 in) from the heated mirror switch connector C216 with the lighted mirror | -- | -- |
S345 | In the roof harness, between C208 and the ID lamps | -- | -- |
S346 | In the lower IP harness, between the DRL off 2 relay and C200 | -- | -- |
S347 | In the lower IP harness, between the DRL off relay and C200 | -- | -- |
S348 | In the lower IP harness, between the DRL off relay and C200 | -- | -- |
S356 | In the lower IP harness, between the DRL on relay and C200 | -- | -- |
S358 | In the floor harness, between the park brake switch and C210 | -- | -- |
S359 | In the roof harness, between the left and the right clearance lamps | -- | -- |
S360 | In the roof harness, between the left ID lamp and the left clearance lamp | -- | -- |
S365 | In the roof harness, between C208 and the right ID lamp | -- | -- |
S366 | In the roof harness, between the center ID lamp and the left ID lamp | -- | -- |
S367 | In the roof harness, between the left ID lamp and the left clearance lamp | -- | -- |
S368 | In the roof harness, between the left and right clearance lamps | -- | -- |
S386 | In the lower IP harness, between the stoplamps switch and the inverting driver module | -- | -- |
S402 | In the rear chassis and taillamps harness, approximately 30 cm (12 in) from the engine harness connectors | -- | -- |
S411 | In the front chassis harness, approximately 4 cm (2 in) to the left of the starter motor relay breakout | -- | -- |
S500 | In the left door harness, approximately 15 cm (6 in) from P501, toward the sidemarker lamp breakout | -- | -- |
S600 | In the right door harness, approximately 31 cm (12 in) from the power window switch | -- | -- |
S900 | In the rear chassis and taillamps harness, approximately 14 cm (6 in) in front of the tail, stop and turn signal lamps breakout | -- | -- |
S900 (Long Wheelbase) | In the rear chassis and taillamps harness, at the main branch, approximately 5 cm (2 in) from the right taillamp breakout | -- | -- |
S901 | In the rear chassis and taillamps harness, approximately 5 cm (2 in) in front of the tail, stop and turn signal lamps breakout | -- | -- |
S901 (Long Wheelbase) | In the rear chassis and taillamps harness, at the main branch, approximately 10 cm (4 in) from the right taillamp breakout | -- | -- |
