Chevrolet HHR LS 2007 - 2007 GENERAL MOTORS HHR

Chevrolet HHR LS 2007 - BUZZERS, RELAYS & TIMERS

Chevrolet HHR LS 2007 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
A/C CLUTCH Relay	In underhood fuse block. See Fig. 49.
COOL FAN Relay	In underhood fuse block. See Fig. 49.
CRNK Relay	In underhood fuse block. See Fig. 49.
DRL Relay	In underhood fuse block. See Fig. 49.
FOG LAMP Relay	In underhood fuse block. See Fig. 49.
FUEL PUMP Relay	In underhood fuse block. See Fig. 49.
HI BEAM Relay	In underhood fuse block. See Fig. 49.
HORN Relay	In underhood fuse block. See Fig. 49.
HVAC Relay	In body control module (BCM). See Fig. 50.
L/GATE RELSE Relay	In underhood fuse block. See Fig. 49.
Liftgate Relay	In liftgate relay block.
LO BEAM Relay	In underhood fuse block. See Fig. 49.
PRK LAMPS Relay	In underhood fuse block. See Fig. 49.
PWR/TRN Relay	In underhood fuse block. See Fig. 49.
RAP Relay	In body control module (BCM). See Fig. 50.
REAR DEFOG Relay	In underhood fuse block. See Fig. 49.
REAR WPR Relay	In underhood fuse block. See Fig. 49.
REAR WSW Relay	In underhood fuse block. See Fig. 49.
RUN/CRANK Relay	In underhood fuse block. See Fig. 49.
WPR Relay	In underhood fuse block. See Fig. 49.
WSW PUMP Relay	In underhood fuse block. See Fig. 49.

Chevrolet HHR LS 2007 - CIRCUIT PROTECTION DEVICES

Chevrolet HHR LS 2007 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
BCM Fuseholder	In rear of vehicle compartment, near battery. See Fig. 64.
Fuse Block - Rear Access Panel (Panel Van)	Right rear of cargo area. See Fig. 57.
Fuse Block - Underhood	In engine compartment, next to left strut tower. See Fig. 1.
Liftgate Relay Block (Panel Van)	In engine compartment, attached to left wheel well. See Fig. 59.
VCIM Fuseholder	In rear compartment of vehicle, near battery. See Fig. 64.

Chevrolet HHR LS 2007 - CONTROL UNITS

Chevrolet HHR LS 2007 CONTROL UNITS LOCATION

Component	Location
Body Control Module (BCM)	Under center dash, below radio, on right side of center console. See Fig. 51.
Electronic Brake Control Module (EBCM)	Left side of engine compartment, in front of engine control module (ECM). See Fig. 1.
Engine Control Module (ECM)	Left side of engine compartment, in front of underhood fuse block. See Fig. 1.
Heated Seat Control Module - Driver	Under front center of driver seat. See Fig. 28.
Heated Seat Control Module - Passenger	Under front center of front passenger's seat. See Fig. 26.
Ignition Coil Module 1	On top of engine, under cover at cylinder No. 1. See Fig. 16.
Ignition Coil Module 2	On top of engine, under cover at cylinder No. 2. See Fig. 16.
Ignition Coil Module 3	On top of engine, under cover at cylinder No. 3. See Fig. 16.
Ignition Coil/Module 4	On top of engine, under cover at cylinder No. 4. See Fig. 16.
Inflatable Restraint Front Passenger Presence System (PPS) Module	Under front passenger's seat. See Fig. 26.
Inflatable Restraint Instrument Panel (I/P) Module	Right side of dash, above glove compartment. See Fig. 25.
Inflatable Restraint Roof Rail Module - Left	Above front & rear left door rails behind headliner. See Fig. 25.
Inflatable Restraint Roof Rail Module - Right	Above front & rear right door rails behind headliner. See Fig. 25.
Inflatable Restraint Sensing & Diagnostic Module (SDM)	Under center console, forward of park brake. See Fig. 51.
Inflatable Restraint Steering Wheel Module	In steering wheel. See Fig. 25.
Power Steering Control Module (PSCM)	Lower left of dash, attached to steering column. See Fig. 24.
Remote Control Door Lock Receiver (RCDLR)	Behind left rear quarterpanel. See Fig. 22.
Sunroof Control Module	Center of headliner. See Fig. 52.
Theft Deterrent Control Module	Right side of steering column, at ignition switch. See Fig. 29.
Throttle Actuator Control (TAC) Module (2.2L)	Top of engine. See Fig. 53.
Throttle Actuator Control (TAC) Module (2.4L)	Top of intake manifold. See Fig. 58.
Transmission Control Module (TCM)	Left side of engine compartment. See Fig. 1.
Vehicle Communication Interface Module (VCIM)	Right rear corner of vehicle. See Fig. 64.

Chevrolet HHR LS 2007 - MOTORS

Chevrolet HHR LS 2007 MOTORS LOCATION

Component	Location
Air Temperature Actuator	Center of dash, left side of HVAC module. See Fig. 19.
Blower Motor	Under right side of dash. See Fig. 19.
Door Latch - Driver	Rear of driver's door. See Fig. 8.
Door Latch - Liftgate	Bottom center of liftgate. See Fig. 5.
Door Latch - LR	Rear of left rear door. See Fig. 55.
Door Latch - Passenger	Rear of front passenger's door. See Fig. 9.
Door Latch - RR	Rear of right rear door. See Fig. 56.
Electronic Power Steering (EPS) Motor	At base of steering column. See Fig. 24.
Engine Cooling Fan	Front of engine compartment, attached to radiator. See Fig. 17.
Fuel Pump & Sender Assembly	Inside fuel tank. See Fig. 10.
Mode Actuator	Center of dash, left side of HVAC module. See Fig. 19.
Outside Rearview Mirror Motor - Driver	Front of driver's door. See Fig. 8.
Outside Rearview Mirror Motor - Passenger	Front of front passenger's door. See Fig. 9.
Rear Access Panel Latch - LR (Panel Van)	Rear of left rear access panel. See Fig. 60.
Rear Access Panel Latch - RR (Panel Van)	Rear of right rear access panel. See Fig. 60.
Rear Window Wiper Motor	Center of liftgate. See Fig. 5.
Recirculation Actuator	Behind right side of dash, above blower motor. See Fig. 19.
Seat Front Vertical Motor - Driver	Under left side of driver's seat. See Fig. 28.
Seat Horizontal Motor - Driver	Under right side of driver's seat. See Fig. 28.
Seat Lumbar Motor - Driver	Right side of driver's seat back. See Fig. 28.
Seat Rear Vertical Motor - Driver	Under right side of driver's seat. See Fig. 28.
Starter (2.2L)	Left rear of engine. See Fig. 53.
Starter (2.4L)	Lower left rear of engine block. See Fig. 15.
Window Motor - Driver	In driver's door. See Fig. 8.
Window Motor - LR	In left rear door. See Fig. 55.
Window Motor - Passenger	In front passenger's door. See Fig. 9.
Window Motor - RR	In right rear door. See Fig. 56.
Windshield Washer Fluid Pump	Right side of engine compartment. See Fig. 1.
Windshield Wiper Motor Assembly	Left rear of engine compartment. See Fig. 1.

Chevrolet HHR LS 2007 - SENDING UNITS & SENSORS

Chevrolet HHR LS 2007 SENDING UNITS & SENSORS LOCATION

Component	Location
Accelerator Pedal Position (APP) Sensor	Near accelerator pedal bracket. See Fig. 7.
A/C Refrigerant Pressure Sensor	In right front of engine compartment, on A/C line, near compressor. See Fig. 18.
Ambient Air Temperature Sensor	Behind right front headlight, on frame rail. See Fig. 21.
Ambient Light Sensor	On top center of dash. See Fig. 6.
A/T Fluid Temperature (TFT) Sensor	Inside the transmission.
Battery Current Sensor	In rear compartment, on negative battery cable, near battery. See Fig. 64.
Camshaft Position (CMP) Sensor - Exhaust (2.4L)	Right rear of engine. See Fig. 16.
Camshaft Position (CMP) Sensor - Intake (2.2L)	Left rear of engine. See Fig. 15.
Camshaft Position (CMP) Sensor - Intake (2.4L)	Left rear of engine. See Fig. 16.
Crankshaft Position (CKP) Sensor (2.2L)	Above starter motor. See Fig. 53.
Crankshaft Position (CKP) Sensor (2.4L)	Lower left rear of engine block. See Fig. 15.
Engine Coolant Temperature (ECT) Sensor (2.2L)	Top right rear of engine. See Fig. 14.
Engine Coolant Temperature (ECT) Sensor (2.4L)	Right side of engine, near rear of exhaust manifold. See Fig. 16.
Fuel Tank Pressure Sensor	On top of fuel tank. See Fig. 10.
Heated Oxygen Sensor (HO2S) 1 (2.2L)	In rear of engine compartment, in exhaust manifold. See Fig. 11.
Heated Oxygen Sensor (HO2S) 1 (2.4L)	Right side of engine, in exhaust manifold. See Fig. 16.
Heated Oxygen Sensor (HO2S) 2 (2.2L)	In rear of engine compartment, in exhaust near catalytic converter. See Fig. 11.
Heated Oxygen Sensor (HO2S) 2 (2.4L)	In rear of engine compartment, in exhaust near catalytic converter. See Fig. 16.
Inflatable Restraint Front End Sensor	Top center of radiator support, near hood latch. See Fig. 17.
Inflatable Restraint Front Passenger Presence System (PPS) Sensor	Under front passenger's seat cushion. See Fig. 26.
Inflatable Restraint Passenger Seat Belt Tension Sensor	Base of right "B" pillar. See Fig. 27.
Inflatable Restraint Side Impact Sensor (SIS) - Left	On lower corner of driver's door. See Fig. 8.
Inflatable Restraint Side Impact Sensor (SIS) - Right	On lower corner of front passenger's door. See Fig. 9.
Input Speed Sensor	On side of transmission. See Fig. 4.
Knock Sensor (KS) (2.2L)	Left side of engine. See Fig. 53.
Knock Sensor (KS) (2.4L)	Lower left rear of engine block. See Fig. 15.
Manifold Absolute Pressure (MAP) Sensor (2.2L)	Top left side of engine, at number 3 intake port runner. See Fig. 13.
Manifold Absolute Pressure (MAP) Sensor (2.4L)	Top of intake manifold. See Fig. 15.
Mass Air Flow (MAF)/Inlet Air Temperature (IA/T) Sensor (2.2L)	Right front of engine compartment, attached to air cleaner outlet. See Fig. 48.
Mass Air Flow (MAF)/Inlet Air Temperature (IA/T) Sensor (2.4L)	Right front of engine compartment, attached to air cleaner outlet. See Fig. 58.
Output Speed Sensor	On side of transmission. See Fig. 4.
Vehicle Speed Sensor	At rear of engine, on top of transmission. See Fig. 23.
Wheel Speed Sensor (WSS) - LF	Inside left front wheel hub. See Fig. 2.
Wheel Speed Sensor (WSS) - LR	Inside left rear wheel hub. See Fig. 3.
Wheel Speed Sensor (WSS) - RF	Inside right front wheel hub. See Fig. 2.
Wheel Speed Sensor (WSS) - RR	Inside right rear wheel hub. See Fig. 3.

Chevrolet HHR LS 2007 - SOLENOIDS & SOLENOID VALVES

Chevrolet HHR LS 2007 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
A/C Compressor Clutch	Lower left front of engine. See Fig. 18.
A/T Shift Lock Control Solenoid	At gear selector, part of A/T shift control. See Fig. 42.
Camshaft Position (CMP) Actuator Solenoid - Exhaust	Top front of engine. See Fig. 16.
Camshaft Position (CMP) Actuator Solenoid - Intake	Top front of engine. See Fig. 16.
Evaporative Emission (EVAP) Canister Purge Solenoid Valve (2.4L)	Top rear of engine. See Fig. 15.
Evaporative Emission (EVAP) Canister Purge Solenoid (2.2L)	On top rear of engine. See Fig. 53.
Evaporative Emission (EVAP) Canister Vent Solenoid Valve	Under rear of vehicle, behind fuel tank attached to EVAP canister. See Fig. 10.
Fuel Injector 1 (2.2L)	Top left side of engine, at cylinder 1. See Fig. 12.
Fuel Injector 1 (2.4L)	Top front of engine, under fuel rail assembly. See Fig. 15.
Fuel Injector 2 (2.2L)	Top left side of engine, at cylinder 2. See Fig. 12.
Fuel Injector 2 (2.4L)	Top front of engine, under fuel rail assembly. See Fig. 15.
Fuel Injector 3 (2.2L)	Top left side of engine, at cylinder 3. See Fig. 12.
Fuel Injector 3 (2.4L)	Top front of engine, under fuel rail assembly. See Fig. 15.
Fuel Injector 4 (2.2L)	Top left side of engine, at cylinder 4. See Fig. 12.
Fuel Injector 4 (2.4L)	Top front of engine, under fuel rail assembly. See Fig. 15.
Ignition Lock Cylinder Control Actuator	In steering column, part of ignition lock cylinder. See Fig. 24.
Pressure Control Solenoid	Inside automatic transmission. See Fig. 4.
Starter Solenoid (2.2L)	Left rear of engine. See Fig. 53.
Starter Solenoid (2.4L)	Lower left rear of engine block. See Fig. 15.
TCC Control PWM Solenoid	In automatic transmission. See Fig. 4.
1-2 Shift Solenoid (1-2 SS) Valve	Inside transmission. See Fig. 4.
2-3 Shift Solenoid (2-3 SS) Valve	Inside transmission. See Fig. 4.

Chevrolet HHR LS 2007 - SWITCHES

Chevrolet HHR LS 2007 SWITCHES LOCATION

Component	Location
Backup Lamp Switch	Left side of engine compartment, on transmission assembly. See Fig. 23.
Brake Fluid Level Switch	Left rear of engine compartment, attached to master cylinder. See Fig. 1.
Clutch Pedal Position (CPP) Switch	Under left side of dash, at top of clutch pedal. See Fig. 7.
Clutch Start Switch	Under left side of dash, attached to clutch pedal bracket. See Fig. 7.
Cruise Control Release Switch	Under left side of dash, at top of brake pedal. See Fig. 7.
Door Jamb Switch - LF	Left "A" pillar between door hinges. See Fig. 54.
Door Jamb Switch - LR	Center of left "B" pillar between hinges. See Fig. 54.
Door Jamb Switch - RF	Right "A" pillar between door hinges. See Fig. 54.
Door Jamb Switch - RR	Center of right "B" pillar between hinges. See Fig. 54.
Engine Oil Pressure (EOP) Switch (2.2L)	Left side of engine, above starter solenoid. See Fig. 53.
Engine Oil Pressure (EOP) Switch (2.4L)	Lower left rear of engine block. See Fig. 15.
Hood Ajar Switch	Center front of engine compartment. See Fig. 17.
Ignition Switch	Right side of steering column. See Fig. 24.
Park Brake Switch	In center console, attached to emergency brake. See Fig. 51.
Park Neutral Position (PNP) Switch	Left side of engine compartment, on top of transmission.
Seat Belt Switch - Left	Part of seat belt buckle, right side of driver's seat. See Fig. 28.
Seat Belt Switch - Right	Part of seat belt buckle, left side of front passenger's seat. See Fig. 26.
Stop Lamp Switch	Under left side of dash, at top of brake pedal. See Fig. 7.
TFP Manual Valve Position Switch Assembly	In automatic transmission valve body. See Fig. 4.
Torque Converter Clutch (TCC) Release Switch	Inside automatic transmission.
Torque Converter Clutch (TCC) Switch	Under left side of dash, at top of brake pedal. See Fig. 7.

Chevrolet HHR LS 2007 - MISCELLANEOUS

Chevrolet HHR LS 2007 MISCELLANEOUS LOCATION

Component	Location
Audio Amplifier	Behind left rear quarterpanel. See Fig. 22.
Battery	On right side of rear compartment, next to spare tire. See Fig. 64.
Blower Motor Resistor Assembly	Under right side of dash, forward of blower motor. See Fig. 19.
Cellular Antenna	Rear center of roof. See Fig. 52.
Data Link Connector (DLC)	Under lower left of dash. See Fig. 6.
Digital Radio Antenna	Rear center of roof. See Fig. 52.
Digital Radio Receiver	Right rear corner of vehicle. See Fig. 64.
Generator	Left front side of engine. See Fig. 18.
Heated Seat Element - Driver	In driver's seat cushion & seat back. See Fig. 28.
Heated Seat Element - Passenger	In front passenger's seat cushion & seat back. See Fig. 26.
Horn	Left front of vehicle, below left front headlight. See Fig. 20.
Inflatable Restraint Steering Wheel Module Coil	On steering column, behind steering wheel. See Fig. 24.
Navigation Antenna	Rear center of roof. See Fig. 52.
Radio Antenna Base	Center front of headliner. See Fig. 52.
Seat Belt Pretensioner - Left	Base of left "B" pillar. See Fig. 27.
Seat Belt Pretensioner - Right	Base of right "B" pillar. See Fig. 27.

Chevrolet HHR LS 2007 - CONNECTORS

Chevrolet HHR LS 2007 CONNECTORS LOCATION

Component	Location
C100 (Gray, 20 Pin)	Left side of engine compartment. See Fig. 31.
C101 (2.2L) (Black, 2 Pin)	Left rear of engine. See Fig. 34.
C101 (2.4L) (Black, 2 Pin)	Left rear of engine. See Fig. 35.
C105 (Black, 10 Pin)	Left side of engine compartment, near ECM. See Fig. 61.
C121 (Black, 8 Pin)	Left front of engine compartment. See Fig. 37.
C160 (2.2L) (Black, 8 Pin)	Left side of engine. See Fig. 34.
C160 (2.4L) (Black, 8 Pin)	Left side of engine. See Fig. 35.
C170 (Black, 2 Pin)	Right rear of engine compartment. See Fig. 37.
C171 (Black, 2 Pin)	Left rear of engine compartment. See Fig. 37.
C200 (Black, 16 Pin)	Below lower right end of dash. See Fig. 6.
C201 (Black, 40 Pin)	Behind lower left end of dash. See Fig. 6.
C204 (Coax)	Above right kick panel.
C205 (Yellow, 4 Pin)	Lower left side of dash. See Fig. 38.
C206 (Black, 2 Pin)	Below lower right end of dash. See Fig. 6.
C210 (Black, 2 Pin)	Right side of blower motor. See Fig. 41.
C211 (Yellow, 4 Pin)	Above right kick panel. See Fig. 38.
C221 (Panel Van) (Black, 4 Pin)	Lower left side of dash. See Fig. 62.
C222 (Panel Van) (Black, 4 Pin)	Lower right side of dash. See Fig. 62.
C300 (Black, 18 Pin)	In right "A" pillar, between door hinges. See Fig. 39.
C301 (Black, 18 Pin)	In left "A" pillar, between door hinges. See Fig. 39.
C307 (Black, 4 Pin)	Body harness to A/T shift lock control.
C310 (Black/Gray, 14 Pin)	In right "B" pillar, between door hinges. See Fig. 39.
C311 (Black/Gray, 14 Pin)	In left "B" pillar, between door hinges. See Fig. 39.
C314 (Black, 8 Pin)	Under front passenger's seat. See Fig. 43.
C315 (Black, 12 Pin)	Under driver's seat. See Fig. 42.
C316 (Black, 8 Pin)	Under front passenger's seat. See Fig. 43.
C319 (Gray, 8 Pin)	Under driver's seat. See Fig. 42.
C397 (Black, 12 Pin)	Left side of headliner, near center. See Fig. 52.
C400 (Black, 8 Pin)	Near right rear upper side of headliner. See Fig. 39.
C401 (Gray, 16 Pin)	Under right rear seat back, on floor. See Fig. 46.
C402 (Black, 2 Pin)	Near right rear upper side of headliner. See Fig. 39.
C403 (Black, 1 Pin)	Right rear of vehicle. See Fig. 39.
C404 (Black, 20 Pin)	On left "D" pillar. See Fig. 44.
C405 (Black, 8 Pin)	On left "D" pillar. See Fig. 39.
C406 (Panel Van) (Black, 4 Pin)	Near right "D" pillar. See Fig. 63.
C900 (Black, 2 Pin)	Top center of liftgate, at 3rd brake light.

Chevrolet HHR LS 2007 - GROUNDS

Chevrolet HHR LS 2007 GROUNDS LOCATION

Component	Location
G103	Left front corner of engine compartment. See Fig. 30.
G105 (2.2L)	Left front of engine block. See Fig. 34.
G105 (2.4L)	Left front of engine block. See Fig. 35.
G107	On front left corner of transmission. See Fig. 31.
G108	Right rear of engine block. See Fig. 16.
G109	On left front shock tower. See Fig. 40.
G111	Left side of engine compartment. See Fig. 1.
G201	Behind left end of dash. See Fig. 6.
G203	Behind left end of dash. See Fig. 6.
G301	Under driver's seat. See Fig. 39.
G302	Under front passenger's seat. See Fig. 39.
G306	Under center console, near SDM module. See Fig. 39.
G401	Under left tail/stop & turn signal light. See Fig. 32.
G402	Under right tail/stop & turn signal light. See Fig. 33.
G403	Right rear corner of vehicle. See Fig. 64.

Chevrolet HHR LS 2007 - SPLICES

Chevrolet HHR LS 2007 SPLICES LOCATION

Component	Location
SP205	In I/P harness, behind BCM taped to harness. See Fig. 6.
S101	In forward lamp harness, near left front headlamp, approximately 9 cm from breakout to G109. See Fig. 40.
S102	In forward lamp harness, near right front headlamp, approximately 8 cm from breakout to C121. See Fig. 40.
S103 (2.2L)	In engine harness, near left rear of engine, approximately 30 cm from breakout to heated oxygen sensor (HO2S) 1. See Fig. 34.
S103 (2.4L)	In engine harness, near left rear of engine, approximately 30 cm from breakout to heated oxygen sensor (HO2S) 1. See Fig. 35.
S104	In fuel injector harness, on top of engine.
S105	In engine harness, near top of engine, approximately 13 cm from breakout to ignition coil 1 breakout. See Fig. 36.
S106	In engine harness, near left rear of engine, approximately 8 cm from breakout to evaporative emission (EVAP) canister purge solenoid valve. See Fig. 36.
S107	In engine harness, near top of engine, approximately 6 cm from breakout to ignition coil 2 breakout. See Fig. 36.
S108	In transmission harness, inside of transmission.
S111	On front of engine, from starter to generator approximately 15cm from starter.
S200	In I/P harness, near left side of I/P, approximately 29 cm from breakout to G203. See Fig. 6.
S201	In I/P harness, near center console, approximately 18 cm from breakout to inflatable restraint passenger air bag on/off indicator. See Fig. 6.
S202	In steering column harness, behind inflatable restraint steering wheel module.
S203	In HVAC jumper harness, approximately 4.9 cm from blower motor. See Fig. 41.
S204	In I/P harness, near right side of I/P, approximately 2 cm from breakout to C206. See Fig. 6.
S205	In I/P harness, near right side of I/P, approximately 10 cm from C200. See Fig. 6.
S206	In I/P harness near ignition switch, approximately 4 cm from inflatable steering wheel coil module. See Fig. 6.
S207	In steering column harness, behind inflatable restraint steering wheel module.
S208	In steering column harness, behind inflatable restraint steering wheel module.
S209 (Panel Van)	In left I/P jumper harness, 12cm from driver's RR access panel switch. See Fig. 62.
S210 (Panel Van)	In left I/P jumper harness, 14cm from C221. See Fig. 62.
S300	In body harness, near center console, approximately 29 cm from breakout to A/T shift lock control solenoid. See Fig. 39.
S301	In body harness, near center console, approximately 29 cm from S300. See Fig. 39.
S302	In body harness, near right front door, approximately 18 cm from S307. See Fig. 39.
S303	In headliner harness, near sunroof, approximately 11cm from breakout to C397. See Fig. 39.
S305	In headliner harness, near overhead console, approximately 9 cm from cellular microphone. See Fig. 44.
S307	In body harness, near center console, approximately 6 cm from breakout for G302. See Fig. 39.
S308	In sunroof harness, near sunroof control module. See Fig. 44.
S309	In sunroof harness, near sunroof control module. See Fig. 44.
S310	In headliner harness, near dome lamp, approximately 66 cm from breakout to dome lamp. See Fig. 44.
S311	In body harness, near center console, approximately 11 cm from breakout to SDM. See Fig. 39.
S312	In body harness, near center console, approximately 10 cm from breakout to BCM. See Fig. 38.
S313	In seat harness, under driver seat, between lumbar adjuster switch and C315. See Fig. 42.
S314	In seat harness, under driver seat, between heated seat control module and C315. See Fig. 42.
S315	In seat harness, under passenger seat, between heated seat module and C314. See Fig. 43.
S316	In headliner harness, near overhead console, approximately 26 cm from breakout to C397. See Fig. 44.
S317	In body harness, near right side of I/P, approximately 8 cm from breakout to C200. See Fig. 38.
S318	In body harness, near right side of I/P, approximately 3 cm from S317. See Fig. 38.
S319 (Panel Van)	In body harness, on right rear side, 29cm from VCIM breakout. See Fig. 63.
S320 (Panel Van)	In body harness, on right rear side,10cm from auxiliary power outlet - rear. See Fig. 63.
S321 (Panel Van)	In body harness, on right rear side, 32cm from VCIM breakout. See Fig. 63.
S322 (Panel Van)	In body harness, on left side of the I/P, 64cm from body-to-engine compartment pass-through.
S400	In body harness, near right tail lamp, approximately 27 cm from breakout to G402. See Fig. 39.
S401	In body harness, right side of rear compartment, approximately 6 cm from breakout to digital radio receiver. See Fig. 39.
S402	In body harness, near left rear tail lamp, approximately 11 cm from G401 breakout. See Fig. 39.
S403	In body harness, near right rear, approximately 33 cm from breakout to tail/stop lamp - right. See Fig. 39.
S404	In body harness, near left rear seat back, approximately 18 cm from breakout to headliner. See Fig. 39.
S405	In body harness, right side of rear compartment, approximately 5 cm from breakout to digital radio receiver. See Fig. 39.
S407	In body harness, in right rear, approximately 10 cm from vehicle communication interface module (VCIM). See Fig. 39.
S408	In body harness, in right rear, approximately 8 cm from vehicle communication interface module (VCIM). See Fig. 39.
S409	In body harness, behind left rear seat, approximately 8 cm from breakout to headliner C404. See Fig. 39.
S410	In headliner harness, above left upper rear wheel well , approximately 13cm from C404. See Fig. 44.
S411	In body harness, near battery, 20cm from rear OnStar fuse. See Fig. 64.
S500	In LF door harness, behind trim panel, approximately 17 cm from breakout to mirror motor. See Fig. 45.
S900	In liftgate harness, in rear liftgate, approximately 16 cm from breakout to rear wiper motor. See Fig. 47.
S901	In liftgate harness, in rear liftgate, approximately 19 cm from S900. See Fig. 47.