Electrical Center Identification Views. Chevrolet HHR 2006

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2006 🢒 HHR 🢒 Engine 🢒 Engine Electrical 🢒 Electrical Center Identification Views

Connector 1:	Fuse Block - Underhood Label
Connector 2:	Fuse Block - Underhood Top View
Connector 3:	Fuse Block - Underhood Bottom View
Connector 4:	Fuse Block - Underhood C1
Connector 5:	Fuse Block - Underhood C2
Connector 6:	Fuse Block - Underhood C3
Connector 7:	Fuse Block - Underhood C4
Connector 8:	Body Control Module (BCM) Label
Connector 9:	Body Control Module (BCM) - Top View
Connector 10:	Body Control Module (BCM) - Bottom View
Connector 11:	Body Control Module (BCM) C1
Connector 12:	Body Control Module (BCM) C2
Connector 13:	Body Control Module (BCM) C3
Connector 14:	Body Control Module (BCM) C4

Fuse Block - Underhood Label

Fuse Block - Underhood Label Usage

No.	Device	Rating	Description
1	EPS	60A	Electronic Power Steering (EPS) Control Module
2	REAR DEFOG	40A	Rear Window Defog Relay
3	--	--	Not Used
4	BCM 3	30A	Body Control Module
5	CRNK	30A	Crank Relay
6	BCM 2	40A	Body Control Module
7-8	--	--	Not Used
9	DIODE A/C CLTCH	--	A/C Compressor Clutch
10	L-GATE/S-ROOF	20A	Liftgate Release Relay and Sunroof Module
11-12	--	--	Not Used
13	FUEL LAMP	15A	Fuel Pump Relay
14	REAR DEFOG Relay	--	Rear Window Defogger Grid
15	A/C CLUTCH Relay	--	A/C Compressor Clutch Diode and A/C Compressor Clutch
16	--	--	Not Used
17	REAR WPR Relay	--	Rear Window Wiper Motor
18	L/GATE RELSE Relay	--	Door Latch - Liftgate
19	FUEL PUMP Relay	--	Fuel Pump and Sender Assembly
20	REAR WPR	15A	Rear Wpr Relay
21	MIR	5A	Outside Rearview Mirror Switch
22	A/C	10A	A/C Clutch Relay
23	HTD/SEAT	20A	Heated Seat Control Module Passenger and Heated Seat Control Module Driver
24	--	--	Not Used
25	Fuse Puller	--	Fuse Puller
26	PWR/TRN Relay	--	ECM Fuse, INJ IGN MOD Fuse, EMISSION Fuse and A/C CLTCH Relay
27-28	--	--	Not Used
29	LTR	15A	Cigar Lighter and Data Link Connector
30	PWR OUTLET	20A	Auxiliary Power Outlet Console
31-32	--	--	Not Used
33	EMISSIONS	10A	MAF/IAT Sensor, Heated Oxygen Sensors (HO2S), Evaporative Emission (EVAP) Canister Purge Solenoid, Clutch Pedal Position (CPP) Switch
34	CRNK Relay	--	Starter
35-36	--	--	Not Used
37	PWR SEAT	30A	Lumbar Adjuster Switch - Driver and Seat Adjuster Switch - Driver
38	--	--	Not Used
39	WSW PUMP Relay	--	Windshield Washer Fluid Pump
40	COOL FAN	30A	Cooling Fan
41	--	--	Not Used
42	ECM	15A	Engine Control Module
43	ECM TRANS	15A	Transmission Control Module, Automatic Transaxle and Engine Control Module
44	ABS	30A	Electronic Brake Control Module (EBCM)
45	INJ IGN MDL	10A	Fuel Injectors, Ignition Control Module (L61), and Ignition Coil Modules (LE5)
46	PRK/NEUT	10A	Park Neutral Position (PNP) Switch (MN5)
47	HTD/SEAT/BCK/UP	10A	Park Neutral Position (PNP) Switch (MN5), Back Up Lamp Switch (M86), and Seat Heater Control Modules
48	REAR WSW Relay	--	Windshield Washer Fluid Pump
49	WSW PUMP	15A	Rear WSW Relay and WSW Pump Relay
50	COOL FAN Relay	--	Cooling Fan
51	RUN/CRANK Relay	--	I/P IGN Fuse, PRK/NEUT Fuse, ABS Fuse, ECM TRANS Fuse and BCK UP/HTD SEAT Fuse
52	WPR Relay	--	Windshield Wiper Motor Assembly
53	FOG LAMP	15A	Fog Lamp Relay
54	FOG LAMP Relay	--	Fog Lamp - LF and Fog Lamp - RF
55	HORN Relay	--	Horn
56	S BAND ONSTAR	10A	Vehicle Communication Interface Module and Digital Radio Receiver
57	ABS	10A	Electronic Brake Control Module (EBCM)
58	DIODE WPR	--	WPR Relay
59	WPR	25A	WPR Relays
60	Horn	10A	Horn Relays
61	ABS	20A	Electronic Brake Control Module (EBCM)
62	I/P IGN	20A	Body Control Module
63	LT HI BEAM	10A	Head Lamp - Left
64	CNSTR VENT	10A	Evaporative Emission (EVAP) Canister Vent Solenoid Valve
65	LT LO BEAM	10A	Head Lamp - Left
66	RT LO BEAM	10A	Head Lamp - Right
67	RT HI BEAM	10A	Head Lamp - Right
68	PRK LAMPS Relay	--	Tail/Stop and Turn Signal Lamps, Marker Lamps, License Lamps, and Park/Turn Signal/DRL Lamps
69	PRK LAMPS	15A	PRK LAMPS Relay (Early Production)
69	PRK LAMPS	10A	PRK LAMPS Relay (Late Production)
70	WPR Relay	--	Windshield Wiper Motor Assembly
71	LO BEAM Relay	--	RT LO BEAM Fuse and LT LO BEAM Fuse
72	HI BEAM Relay	--	RT HI BEAM Fuse and LT HI BEAM Fuse

Fuse Block - Underhood Top View

Fuse Block - Underhood Bottom View

Fuse Block - Underhood C1

Connector Part Information

OEM: R61927-002
Service: 88988759
Description: 64-Way F (GY)

Terminal Part Information

Pins: A1, A9, A10, A12, B9, C4, D3, D9, E9, F7, F9, F10
Terminal/Tray: 7116-4110-02/9
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Pins: B2, E7
Terminal/Tray: 7116-4112-02/9
Core/Insulation Crimp: C/D
Release Tool/Test Probe: 12094430/J-35616-35 (VT)

Pins: A11, B11, C9, B10
Terminal/Tray: 7116-4111-02/9
Core/Insulation Crimp: Pins A11, B11, C9 - See Terminal Repair Kit
Core/Insulation Crimp: Pins B10 - E/A
Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Fuse Block - Underhood C1

Pin	Wire Color	Circuit No.	Function
A1	D-GN	335	Low Speed Cooling Fan Relay Control
A2-A8	--	--	Not Used
A9	L-BU	20	Stop Lamp Supply Voltage (MN5)
A10	PK	539	Ignition 1 Voltage (MN5)
A11	PK/BK	5292	Ignition 1 Voltage
A11	PK/BK	5292	Ignition 1 Voltage
A12	BN	4	Accessory Voltage (MN5)
B1	--	--	Not Used
B2	L-BU	409	Cooling Fan Motor Supply Voltage
B3-B4	--	--	Not Used
B5	--	--	Not Available
B6-B7	--	--	Not Used
B8	--	--	Not Available
B9	PK	1639	Ignition 1 Voltage
B10	PK/BK	5290	Ignition 1 Voltage
B11	PK	1039	Ignition 1 Voltage (MN5)
B11	PK	1039	Ignition 1 Voltage (MN5)
B12	--	--	Not Used
C1-C3	--	--	Not Used
C4	L-GN	24	Backup Lamp Supply Voltage
C5	--	--	Not Used
C6-C7	--	--	Not Available
C8	--	--	Not Used
C9	D-GN	1433	PNP/Clutch Start Switch Signal (LE5)
C9	YE	575	Starter Control (MN5)
C10-C12	--	--	Not Used
D1-D2	--	--	Not Used
D3	BK	150	Ground
D4-D5	--	--	Not Used
D6-D7	--	--	Not Available
D8	--	--	Not Used
D9	PK/BK	5291	Ignition 1 Voltage
D10-D12	--	--	Not Used
E1-E4	--	--	Not Used
E5	--	--	Not Available
E6	--	--	Not Used
E7	PU	6	Starter Solenoid Crank Voltage
E8	--	--	Not Available
E9	PK/BK	5291	Ignition 1 Voltage
E9	PK/BK	5291	Ignition 1 Voltage
E10-E12	--	--	Not Used
F1-F6	--	--	Not Used
F7	RD/WH	840	Battery Positive Voltage (MN5)
F8	--	--	Not Used
F9	PK/BK	5291	Ignition 1 Voltage
F10	D-GN	59	A/C Compressor Clutch Supply Voltage
F11-F12	--	--	Not Used

Fuse Block - Underhood C2

Connector Part Information

OEM: R61927-001
Service: 88988756
Description: 64-Way F (BK)

Terminal Part Information

Pins: F5
Terminal/Tray: 7116-4122-02/10
Core/Insulation Crimp: A/B
Release Tool/Test Probe: 12094430/J-35616-42 (RD)

Pins: A1, A6, A7, A10, A11, B1, B3, B7, B10, B12, C1, C9, C12, D3, D8, E1, E3, E7, F1, F2, F4, F11
Terminal/Tray: 7116-4110-02/9
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Pins: F3, F7
Terminal/Tray: 7116-4111-02/9
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Pins: C5, E12, F6
Terminal/Tray: 7116-4112-02/9
Core/Insulation Crimp: C/D
Release Tool/Test Probe: 12094430/J-35616-35 (VT)

Pins: A9, E2, F9, B9, C3, E6
Terminal/Tray: 7116-4111-02/9
Core/Insulation Crimp: Pins A9, E2, F9 - C/A
Core/Insulation Crimp: Pins B9, C3, E6 - See Terminal Repair Kit
Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Fuse Block - Underhood C2

Pin	Wire Color	Circuit No.	Function
A1	L-BU	14	Left Turn Signal Lamp Supply Voltage
A2-A5	--	--	Not Used
A6	OG	228	Windshield Washer Pump Control
A7	D-GN	392	Rear Window Washer Pump Control
A8	--	--	Not Used
A9	RD/WH	240	Battery Positive Voltage
A10	RD/WH	840	Battery Positive Voltage
A11	RD/WH	840	Battery Positive Voltage
A12	--	--	Not Used
B1	TN	28	Horn Relay Control
B2	--	--	Not Used
B3	RD/WH	40	Battery Positive Voltage
B4	--	--	Not Used
B5	--	--	Not Available
B6	--	--	Not Used
B7	OG	228	Windshield Washer Pump Control
B8	--	--	Not Available
B9	D-GN	1433	PNP/Clutch Start Switch Signal (L61)
B9	YE	575	Starter Control
B10	PK/BK	5291	Ignition 1 Voltage
B11	--	--	Not Used
B12	WH	193	Rear Defog Relay Control
C1	YE	317	Fog Lamp Relay Coil Supply Voltage (T37)
C2	--	--	Not Used
C3	RD/WH	340	Battery Positive Voltage (KA1)
C3	RD/WH	340	Battery Positive Voltage (KA1)
C4	--	--	Not Used
C5	RD/WH	540	Battery Positive Voltage (CE5)
C6-C7	--	--	Not Available
C8	--	--	Not Used
C9	YE	447	Starter Relay Coil Control
C10-C11	--	--	Not Used
C12	BN	5069	Main Relay Control
D1-D2	--	--	Not Used
D3	RD/WH	440	Battery Positive Voltage
D4-D5	--	--	Not Used
D6-D7	--	--	Not Available
D8	L-GN	2270	Rear Window Washer Relay Control
D9-D12	--	--	Not Used
E1	TN/WH	1969	Headlamp High Beam Relay Control
E2	GY	120	Fuel Pump Supply Voltage
E3	WH/BK	1221	Liftgate Release Switch Signal
E4	--	--	Not Used
E5	--	--	Not Available
E6	L-GN	24	Backup Lamp Supply Voltage
E6	L-GN	24	Backup Lamp Supply Voltage
E7	GY	391	Rear Window Wiper Switch Signal
E8	--	--	Not Available
E9-E11	--	--	Not Used
E12	PU	293	Rear Defog Element Supply Voltage
F1	PK/WH	1970	Headlamp Low Beam Relay Control
F2	D-GN/WH	465	Relay Control Primary
F3	TN/WH	56	Rear Compartment Lid Release Actuator
F4	L-BU	1344	Liftgate Release Relay Control
F5	RD/BK	242	Battery Positive Voltage
F6	RD/BK	442	Battery Positive Voltage
F7	WH	393	Rear Window Wiper Motor Control
F8	--	--	Not Used
F9	BK	150	Ground
F10	--	--	Not Used
F11	D-GN/WH	459	A/C Compressor Clutch Relay Control
F12	--	--	Not Used

Fuse Block - Underhood C3

Connector Part Information

OEM: R62807-002
Service: 88988760
Description: 28-Way F (GY)

Terminal Part Information

Pins: B1, B2, B5, C1, E2, F1, F6
Terminal/Tray: 7116-4110-02/9
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Pins: A6, B6, E5, C5
Terminal/Tray: 7116-4111-02/9
Core/Insulation Crimp: Pins A6, B6, E5 - See Terminal Repair Kit
Core/Insulation Crimp: Pins C5 - C/A
Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Fuse Block - Underhood C3

Pin	Wire Color	Circuit No.	Function
A1-A5	--	--	Not Used
A6	BN	9	Park Lamp Supply Voltage
A6	BN	9	Park Lamp Supply Voltage
B1	L-GN/BK	311	Right Headlamp High Beam Supply Voltage
B2	TN/WH	312	Right Headlamp Low Beam Supply Voltage
B3-B4	--	--	Not Available
B5	YE	712	Left Headlamp Low Beam Supply Voltage
B6	BN	9	Park Lamp Supply Voltage
B6	BN	9	Park Lamp Supply Voltage
C1	D-GN/WH	711	Left Headlamp High Beam Supply Voltage
C2	--	--	Not Used
C3-C4	--	--	Not Available
C5	BK	150	Ground
C6	--	--	Not Used
D1-D2	--	--	Not Used
D3-D4	--	--	Not Available
D5-D6	--	--	Not Used
E1	--	--	Not Used
E2	D-GN	29	Horn Control
E3-E4	--	--	Not Available
E5	PU	2234	Front Fog Lamp Supply Voltage (T37)
E5	PU	2234	Front Fog Lamp Supply Voltage (T37)
E6	--	--	Not Used
F1	L-BU	14	Left Turn Signal Lamp Supply Voltage
F2-F5	--	--	Not Used
F6	D-BU	15	Right Turn Signal Lamp Supply Voltage

Fuse Block - Underhood C4

Connector Part Information

OEM: R61922-001
Service: 88988757
Description: 28-Way F (BK)

Terminal Part Information

Pins: A1, B1, B2, B5, B6, C1, C5, E2, E6, F2, F5
Terminal/Tray: 7116-4110-02/9
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Pins: A4, F4
Terminal/Tray: 7116-4122-02/10
Core/Insulation Crimp: A/B
Release Tool/Test Probe: 12094430/J-35616-42 (RD)

Pins: D1, E1
Terminal/Tray: 7116-4111-02/9
Core/Insulation Crimp: C/A
Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Pins: F3
Terminal/Tray: 7116-4120-02/9
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 12094430/J-35616-42 (RD)

Pins: A5, C2, A6, F1
Terminal/Tray: 7116-4112-02/9
Core/Insulation Crimp: Pins A5, C2 - C/D
Core/Insulation Crimp: Pins A6, F1 - See Terminal Repair Kit
Release Tool/Test Probe: 12094430/J-35616-35 (VT)

Fuse Block - Underhood C4

Pin	Wire Color	Circuit No.	Function
A1	BN	9	Park Lamp Supply Voltage
A2-A3	--	--	Not Used
A4	RD/BK	542	Battery Positive Voltage (JM4)
A5	RD/WH	740	Battery Positive Voltage (JM4)
A6	L-BU	20	Stop Lamp Supply Voltage
A6	L-BU	20	Stop Lamp Supply Voltage
B1	PK	1439	Ignition 1 Voltage (JM4)
B2	D-GN	113	Windshield Wiper Switch Signal (2)
B3-B4	--	--	Not Available
B5	WH	1080	Park Lamp Relay Control
B6	L-BU	20	Stop Lamp Supply Voltage (JM4)
B6	L-BU	20	Stop Lamp Supply Voltage
C1	L-GN	1715	Windshield Wiper Switch High Signal
C2	PK	739	Ignition 1 Voltage
C3-C4	--	--	Not Available
C5	RD/WH	1640	Battery Positive Voltage
C6	--	--	Not Used
D1	D-GN	95	Windshield Wiper Motor Low Speed Control
D2	--	--	Not Used
D3-D4	--	--	Not Available
D5-D6	--	--	Not Used
E1	PU	92	Windshield Wiper Motor High Speed Control
E2	PK	1039	Ignition 1 Voltage
E3-E4	--	--	Not Available
E5	--	--	Not Used
E6	RD/WH	1340	Battery Positive Voltage (U2K)
E6	RD/WH	1340	Battery Positive Voltage (UE1)
F1	PK	1639	Run/Crank Ignition 1 Voltage (KA1)
F1	PK	1639	Ignition 1 Voltage (KA1)
F2	YE	5199	Relay Coil Control
F3	D-BU	15	Right Turn Signal Lamp Supply Voltage
F4	RD/BK	342	Battery Positive Voltage (AJ6)
F5	BN	4	Accessory Voltage (MN5)
F6	--	--	Not Used

Body Control Module (BCM) Label

Body Control Module (BCM) Label Usage

No.	Device	Rating	Description
1	FUSE PULLER	--	FUSE PULLER
2-5	SPARE	--	Not Used
6	AMP	20A	Audio Amplifier
7	CLSTR	10A	Instrument Panel Cluster (IPC)
8	IGN SW/PK3+	2A	Ignition Switch
9	STOP LP	10A	Stop Lamp Switch
10	HVAC/PK3+	10A	HVAC Control Module and Theft Deterrent Control Module
11	--	--	Not Used
12	SPARE	20A	Not Used
13	AIRBAG	10A	Inflatable Restraints Sensing and Diagnostic Module (SDM) and Inflatable Restraint Front Passenger Presence System (PPS) Module
14	SPARE	10A	Not Used
15	WPR	10A	Windshield Wiper Washer Switch
16	HVAC/IP IGN	10A	I/P Cluster, Clutch Pedal Start Switch, HVAC Control Module, and Stop Lamp/TCC/Cruise Release Switch
17-18	--	--	Not Used
19	EPS/STR WHL CNTRL	2A	Electronic Power Steering (EPS) Column Assembly and Inflatable Restraint Steering Wheel Module Coil
20	S ROOF	15A	Not Used
21	SPARE	20A	Not Used
22	--	--	Not Used
23	RDO	15A	Radio and Remote Control Door Lock Receiver
24	SDM	10A	Inflatable Restraint Sensing and Diagnostic Module (SDM) and Body Control Module
25	ECM/TCM	10A	Fuse Block Underhood, Engine Control Module (ECM), and Transmission Control Module (TCM)
26	DR LCK	15A	Driver Door Unlock Relay, Door Unlock Relay, and Door Lock Relay
27	INT LIGHT	10A	Interior lamps relay
28	--	--	Not Used
29	PWR WINDW	30A	Master Switch
30	HVAC Relay	--	Blower Motor
31	--	--	Not Used
32	RAP Relay	--	PWR WINDW Fuse, SPARE fuses, and S ROOF Fuse
Printed Circuit Board (PCB) Relays - Not Serviceable
--	DOOR LOCK PCB Relay	--	BCM Logic, Door Latches
--	DOOR UNLOCK PCB Relay	--	BCM Logic, Door Latches
--	DR DOOR UNLOCK PCB Relay	--	BCM Logic, Driver Door Latch
--	INT LIGHT PCB Relay	--	Domp Lamp, Inside Rearview Mirror

Body Control Module (BCM) - Top View

Body Control Module (BCM) - Bottom View

Body Control Module (BCM) C1

Connector Part Information

OEM: 15393122
Service: 88987847
Description: 72-Way F Micro-64 Unsealed (GY)

Terminal Part Information

Pins: 1, 3-9, 13-20, 22, 31, 33, 35, 36, 44, 47, 51, 54, 55, 59-65, 67, 68, 69-71
Terminal/Tray: 15359541/4
Core/Insulation Crimp: M/M
Release Tool/Test Probe: 15381651-2/J-35616-64B (L-BU)

Body Control Module (BCM) C1

Pin	Wire Color	Circuit No.	Function
1	L-BU/BK	747	Left Rear Door Ajar Switch Signal
2	--	--	Not Used
3	PU	5531	Hood Closed Switch Signal (AP3)
4	PK/BK	109	Hood Ajar Switch Signal (AP3)
5	TN	755	Sunroof Enable Signal (CF5)
6	WH	682	Door Lock Lock/Unlock Signal
7	WH	682	Door Lock Lock/Unlock Signal
8	WH	1080	Park Lamp Relay Control
9	YE	5456	Rear Wiper Park Signal
10-12	--	--	Not Used
13	PK	849	Brake Fluid Level Sensor Signal (1)
14	L-BU	1134	Park Brake Switch Signal
15	YE	5199	Run/Crank Relay Coil Control
16	WH	193	Rear Defog Relay Control
17	D-BU	15	Right Turn Signal Lamp Supply Voltage
18	D-GN	5060	Low Speed GMLAN Serial Data (U2K)
19	TN/WH	746	Right Front Door Ajar Switch Signal
20	L-GN/BK	748	Right Rear Door Ajar Switch Signal
21	--	--	Not Used
22	GY/BK	745	Left Front Door Ajar Switch Signal
23-30	--	--	Not Used
31	L-BU	1344	Liftgate Release Relay Control
32	--	--	Not Used
33	D-GN/WH	1135	A/T Shift Interlock Solenoid Supply Voltage (MN5)
34	--	--	Not Used
35	L-BU	14	Left Turn Signal Lamp Supply Voltage
36	D-GN	5060	Low Speed GMLAN Serial Data (UE1)
37-43	--	--	Not Used
44	TN/WH	1969	Headlamp High Beam Relay Control
45-46	--	--	Not Used
47	YE	196	Windshield Wiper Motor Park Switch Signal
48-50	--	--	Not Used
51	D-GN	113	Windshield Wiper Switch Signal 2
52-53	--	--	Not Used
54	YE	317	Fog Lamp Relay Control
55	PK/BK	1303	Liftgate Ajar Switch Signal
56-58	--	--	Not Used
59	GY	391	Rear Window Wiper Switch Signal
60	TN	28	Horn Relay Control
61	BK/WH	1251	Signal Ground
62	RD/WH	1240	Battery Positive Voltage
63	GY	596	5-Volt Reference
64	BK/WH	851	Signal Ground
65	TN/WH	1704	Sensor Low Reference
66	--	--	Not Used
67	YE	61	Low Reference
68	WH	5075	Current Sensor Signal
69	WH/BK	1221	Liftgate Release Switch Signal
70	D-GN/WH	636	Ambient Air Temperature Sensor Signal
71	L-GN	2270	Rear Window Washer Relay Control
72	--	--	Not Used

Body Control Module (BCM) C2

Connector Part Information

OEM: 15393121
Service: 88987848
Description: 72-Way F Micro-64 Unsealed (GY)

Terminal Part Information

Pins: 1,-5, 9, 11, 12, 14-16, 17, 19, 20, 26, 38, 44, 47, 51, 54, 56-58, 61, 62, 64, 66-69, 71, 72
Terminal/Tray: 15359541/4
Core/Insulation Crimp: M/M
Release Tool/Test Probe: 15381651-2/J-35616-64B (L-BU)

Body Control Module (BCM) C2

Pin	Wire Color	Circuit No.	Function
1	TN/BK	2500	High Speed GMLAN Serial Data Bus (+)
2	TN/BK	2500	High Speed GMLAN Serial Data Bus (+)
3	YE	10	Headlamp Switch Signal
4	PU	524	Headlamp Dimmer Switch High Beam Signal
5	BN/WH	301	Park Lamp Switch On Signal
6-8	--	--	Not Used
9	WH	111	Hazard Switch Signal
10	--	--	Not Used
11	D-GN	264	Security Indicator Supply Voltage
12	TN/WH	1455	Keyless Entry Program Enable Signal
13	--	--	Not Used
14	TN	28	Horn Relay Control
15	WH	103	Headlamp Switch On Signal
16	OG	192	Front Fog Lamp Switch Signal (T37)
17	PU/WH	549	Headlamp Switch Headlamps Off Signal
18	--	--	Not Used
19	TN	2501	High Speed GMLAN Serial Data (-)
20	TN	2501	High Speed GMLAN Serial Data (-)
21-25	--	--	Not Used
26	D-GN	44	Instrument Panel Lamp Dimmer Switch Signal
27-37	--	--	Not Used
38	D-GN	5060	Low Speed GMLAN Serial Data (Early Production)
38	L-GN/BK	5060	Low Speed GMLAN Serial Data (Late Production)
39-43	--	--	Not Used
44	L-GN/BK	1137	DRL Ambient Light Sensor Signal
45-46	--	--	Not Used
47	YE/BK	1138	DRL Ambient Light Sensor Low Reference
48-50	--	--	Not Used
51	BN	1356	Flash To Pass Switch Signal
52-53	--	--	Not Used
54	L-BU	20	Stop Lamp Supply Voltage
55	--	--	Not Used
56	WH	1390	Off/Run/Crank Voltage
57	GY	112	Windshield Wiper Switch Signal 1
58	PU	719	Low Reference
59-60	--	--	Not Used
61	GY	1884	Cruise Control Switch Signal
62	WH/BK	1073	Ignition Key Resistor Signal
63	--	--	Not Used
64	WH	2283	Rear Wiper/Washer Switch Supply Voltage
65	--	--	Not Used
66	YE/BK	1418	Left Rear Turn Signal Switch Signal
67	D-GN/WH	1419	Right Rear Turn Signal Switch Signal
68	L-BU	292	Rear Defog Switch Signal
69	L-GN	66	A/C Request Signal
70	--	--	Not Used
71	PU	5234	Passenger Seat Belt Indicator
72	WH	193	Rear Defog Relay Control

Body Control Module (BCM) C3

Connector Part Information

OEM: 15492675
Service: 15404825
Description: 41-Way F Micro-64 Unsealed (RD)

Terminal Part Information

Pins: A1-A5, A7- A10, A12, B1, B3, B5, B12, C12, D4, D7
Terminal/Tray: 12110844/4
Core/Insulation Crimp: Pins A1-A5, A7-A10, A12, B1, D4 - E/A
Core/Insulation Crimp: Pins B3, B5, B12, C12, D7 - E/C
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: C5, D1, D6, D10-D12
Terminal/Tray: 12110842/4
Core/Insulation Crimp: Pins C5, D11 - A/B
Core/Insulation Crimp: Pins D1, D6, D10, D12 - F/G
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Body Control Module (BCM) C3

Pin	Wire Color	Circuit No.	Function
A1	TN	294	Door Lock Actuator Unlock Control
A1	TN	294	Door Lock Actuator Unlock Control
A2	TN	294	Door Lock Actuator Unlock Control
A3	D-BU/WH	149	Courtesy Lamp Supply Voltage
A4	GY	295	Door Lock Actuator Lock Control
A4	GY	295	Door Lock Actuator Lock Control
A5	GY	295	Door Lock Actuator Lock Control
A5	GY	295	Door Lock Actuator Lock Control
A6	--	--	Not Used
A7	BN	9	Park Lamp Supply Voltage
A8	PK	339	Ignition 1 Voltage
A9	YE	18	Left Rear Stop/Turn Lamp Supply Voltage
A10	GY	157	Courtesy Lamp Control
A11	--	--	Not Used
A12	D-GN	19	Right Rear Stop/Turn Lamp Supply Voltage
B1	TN	694	Driver Door Lock Actuator Unlock Control
B2	--	--	Not Used
B3	RD/WH	1240	Battery Positive Voltage
B3	RD/WH	1240	Battery Positive Voltage
B4	--	--	Not Used
B5	BN	4	Accessory Voltage
B5	BN	4	Accessory Voltage (MN5)
B6-B7	--	--	Not Available
B8-B11	--	--	Not Used
B12	GY	8	Instrument Panel Lamps Dimmer Switch Signal
B12	GY	8	Instrument Panel Lamps Dimmer Switch Signal
C1-C2	--	--	Not Available
C3-C4	--	--	Not Used
C5	D-GN	801	Retained Accessory Power Fuse Supply Voltage
C6-C7	--	--	Not Available
C8-C11	--	--	Not Used
C12	OG	228	Windshield Washer Pump Control
D1	RD/BK	142	Battery Positive Voltage
D2	--	--	Not Available
D3	--	--	Not Used
D4	RD/WH	840	Battery Positive Voltage
D5	--	--	Not Used
D6	PK	739	Ignition 1 Voltage
D7	PK	1339	Ignition 1 Voltage
D7	PK	1339	Ignition 1 Voltage
D8-D9	--	--	Not Used
D10	RD/BK	442	Battery Positive Voltage
D11	RD/WH	640	Battery Positive Voltage (UQ3)
D12	RD/BK	242	Battery Positive Voltage

Body Control Module (BCM) C4

Connector Part Information

OEM: 15492668
Service: 88988776
Description: 68-Way F Micro-64 Unsealed (L-GY)

Terminal Part Information

Pins: E12
Terminal/Tray: 12110842/4
Core/Insulation Crimp: A/B
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: D4, D10
Terminal/Tray: 12110842/4
Core/Insulation Crimp: Pins D4 - F/G
Core/Insulation Crimp: Pins D10 - See Terminal Repair Kit
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: B1, B2, C2, C8, D1, D3, E6, F1-F3, F9, C1, E1, F4-F6
Terminal/Tray: 12110844/4
Core/Insulation Crimp: Pins B1, C2, C8, D1, D3, E6, F1 -F3, F9 - E/C
Core/Insulation Crimp: Pins C1, E1, F4-F6 - E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Body Control Module (BCM) C4

Pin	Wire Color	Circuit No.	Function
A1-A12	--	--	Not Used
B1	OG	228	Windshield Washer Pump Control
B2	GY	8	Instrument Panel Lamps Dimmer Switch Signal
B3-B12	--	--	Not Used
C1	RD/WH	1440	Battery Positive Voltage
C2	GY	8	Instrument Panel Lamps Dimmer Switch Signal
C2	GY	8	Instrument Panel Lamps Dimmer Switch Signal
C3-C5	--	--	Not Used
C6-C7	--	--	Not Available
C8	BN	4	Accessory Voltage (MN5)
C8	BN	4	Accessory Voltage (w/o MN5)
C8	BN	4	Accessory Voltage (w/o MN5)
C9-C12	--	--	Not Used
D1	RD/WH	1040	Battery Positive Voltage
D2	--	--	Not Used
D3	YE	5199	Run/Crank Relay Coil Control
D4	BN	141	Run Ignition 3 Voltage
D5	--	--	Not Used
D6-D7	--	--	Not Available
D8-D9	--	--	Not Used
D10	RD/WH	1140	Battery Positive Voltage
D10	RD/WH	1140	Battery Positive Voltage
D11-D12	--	--	Not Used
E1	RD/WH	140	Battery Positive Voltage
E2-E5	--	--	Not Used
E6	PK	439	Ignition 1 Voltage
E7-E11	--	--	Not Used
E12	BK	550	Ground
F1	RD/WH	1540	Battery Positive Voltage
F1	RD/WH	1540	Battery Positive Voltage
F2	GY	8	Instrument Panel Lamps Dimmer Switch Signal (T37)
F2	GY	8	Instrument Panel Lamps Dimmer Switch Signal
F3	GY	8	Instrument Panel Lamp Dimmer Switch Signal
F4	PK	339	Ignition 1 Voltage
F4	PK	339	Ignition 1 Voltage
F5	PK	339	Ignition 1 Voltage
F6	PK	339	Ignition 1 Voltage
F6	PK	339	Ignition 1 Voltage (M86)
F7-F8	--	--	Not Used
F9	PK	1539	Ignition 1 Voltage
F9	PK	1539	Ignition 1 Voltage
F10-F12	--	--	Not Used