Fuse Block Connector End View - Underhood Bottom View

Fig 1: Fuse Block - Underhood Bottom View

Courtesy of GENERAL MOTORS CORP.

Fuse Block - Underhood C1 Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		7283-4846-30 36-Way F Hybrid (BU) Forward Lamp Harness Connector
Pin	Wire Color	Circuit No.	Function
1	WH	504	Cooling Fan Low Reference
2	GY	532	Cooling Fan Motor Supply Voltage
3	L-BU	409	Cooling Fan Motor Supply Voltage
4	D-GN	29	Horn Control
5	D-GN/WH	711	Left Headlamp High Beam Supply Voltage
6-7	-	-	Not Used
8	TN/WH	312	Right Headlamp Low Beam Supply Voltage
9	YE	5530	Hood Open Switch Signal
10	BN/WH	309	Right Park Lamp Supply Voltage
10	BN/WH	309	Right Park Lamp Supply Voltage
11	L-BU/WH	1314	Left Front Turn Signal Lamp Supply Voltage
12	L-BU/WH	1314	Left Front Turn Signal Lamp Supply Voltage
13-16	-	-	Not Used
17	L-GN/BK	311	Right Headlamp High Beam Supply Voltage (w/o TT6)
18	L-GN/WH	6845	Air Quality NOX Sensor Signal (w/K14)
19	PK	1439	Ignition 1 Voltage (w/K14)
20	PU	1472	Left Park Lamp Supply Voltage (w/TT7/TT8)
21	PU/WH	5203	Air Quality Sensor Signal (w/K14)
22	D-BU/WH	1315	Right Front Turn Signal Lamp Supply Voltage
	D-BU/WH	1315	Right Front Turn Signal Lamp Supply Voltage
23	-	-	Not Used
24	PU	709	Left Park Lamp Supply Voltage
	PU	709	Left Park Lamp Supply Voltage
25	L-GN	11	Headlamp High Beam Supply Voltage (w/TT6)
26	L-GN	11	Headlamp High Beam Supply Voltage (w/TT6)
27	PU	2234	Front Fog Lamp Supply Voltage
28	PU	2234	Front Fog Lamp Supply Voltage
29	BK	250	Ground
30	BN/WH	1473	Right Park Lamp Supply Voltage (w/TT7/TT8)
31	RD/WH	340	Battery Positive Voltage (w/K59)
	RD/WH	340	Battery Positive Voltage (w/TT7/TT8)
32	YE	61	Low Reference
	YE	61	Low Reference (w/K14)
33	L-GN/BK	735	Ambient Air Temperature Sensor Signal
34	-	-	Not Used
35	PU	5531	Hood Closed Switch Signal
36	YE	712	Left Headlamp Low Beam Supply Voltage

Fuse Block - Underhood C2 Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		7123-4123-30 2-Way F L-Type (BK) Body Harness Connector
Pin	Wire Color	Circuit No.	Function
1	RD/BK	2	Battery Positive Voltage
2	RD/BK	2	Battery Positive Voltage

Fuse Block - Underhood C3 Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		7123-4129-90 2-Way F L-Type (BU) Body Harness Connector
Pin	Wire Color	Circuit No.	Function
1	RD/BK	2	Battery Positive Voltage
2	RD/BK	2	Battery Positive Voltage

Fuse Block - Underhood C4 Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		7283-4847-30 68-Way F Hybrid (BK) I/P Harness Connector
Pin	Wire Color	Circuit No.	Function
1	L-BU/WH	1314	Left Turn Signal Indicator Lamp Supply Voltage
2	-	-	Not Used
3	YE	32	Instrument Panel Lamp Fuse Supply Voltage - 1
4	-	-	Not Used
5	YE	32	Instrument Panel Lamp Fuse Supply Voltage - 1
6	RD/WH	1140	Battery Positive Voltage
7	RD/WH	1140	Battery Positive Voltage
8	BN/WH	1473	Right Park Lamp Supply Voltage (w/TT7/TT8)
9	-	-	Not Used
10	RD/WH	340	Battery Positive Voltage (w/TT7/TT8)
11	YE	61	Low Reference
12	PK	2039	Ignition 1 Voltage
13	L-GN/BK	735	Ambient Air Temperature Sensor Signal
14	PU/WH	5203	Air Quality Sensor Signal
15	PU	5531	Hood Closed Switch Signal
16	RD/WH	2140	Battery Positive Voltage (w/TT6)
17	RD/WH	3540	Battery Positive Voltage
18	BN	247	Blower Motor Relay Control
19	D-GN	1399	Cigar Relay Control
20	RD/WH	1740	Battery Positive Voltage
	RD/WH	1740	Battery Positive Voltage (w/UV6)
21	WH	1080	Park Lamp Relay Control
22	D-GN/WH	1317	Fog Lamp Relay Control
23	RD/WH	340	Battery Positive Voltage
	RD/WH	340	Battery Positive Voltage (w/TT7/TT8)
24	-	-	Not Used
25	RD/WH	2040	Battery Positive Voltage
26	RD/BK	4042	Battery Positive Voltage (w/TT6/TT7/TT8)
27	-	-	Not Used
28	PK	1439	Ignition 1 Voltage (w/XA7)
	PK	1439	Ignition 1 Voltage (w/XA7)
29	-	-	Not Used
30	PK	1539	Run/Crank Ignition 1 Voltage
31	RD/WH	3340	Battery Positive Voltage
32	RD/WH	1440	Battery Positive Voltage
33	RD/WH	1440	Battery Positive Voltage
34	-	-	Not Used
35	YE	5530	Hood Open Switch Signal
36	PK/WH	1970	Headlamp Low Beam Relay Control
37	BN	4	Accessory Voltage
38	-	-	Not Used
39	TN	28	Horn Relay Control
40	-	-	Not Used
41	YE	43	Accessory Voltage
	YE	43	Accessory Voltage (w/YQ7)
42	PU	709	Left Park Lamp Supply Voltage
43	RD/WH	1840	Battery Positive Voltage
44	PK	1639	Run/Crank Ignition 1 Voltage
45	PK	839	Ignition 1 Voltage
46-47	-	-	Not Used
48	PK	839	Ignition 1 Voltage
49-50	-	-	Not Used
51	L-GN/WH	6845	Air Quality NOX Sensor Signal (w/K14)
52	RD/WH	1840	Battery Positive Voltage
53	PK	239	Ignition 1 Voltage
54	-	-	Not Used
55	D-BU/WH	1315	Right Front Turn Signal Lamp Supply Voltage
56	PU	1472	Left Park Lamp Supply Voltage (w/TT7/TT8)
57	L-BU	188	Blower Motor Control Processor Supply Voltage
58	BN/WH	309	Right Park Lamp Supply Voltage
59	YE	243	Accessory Voltage (w/TT6/TT7/TT8/CE1)
60-61	-	-	Not Used
62	YE	143	Accessory Voltage
63-65	-	-	Not Used
66	TN/WH	1969	Headlamp High Beam Relay Control (w/o TT6/TT7/TT8)
67-68	-	-	Not Used

Fuse Block - Underhood C5 Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		7283-6376-30 26-Way F Hybrid (BK) Engine Harness Connector
Pin	Wire Color	Circuit No.	Function
1	RD/BK	342	Battery Positive Voltage
2	PK/BK	5290	Ignition 1 Voltage (w/LY7)
3	PK/BK	5294	Ignition 1 Voltage
4	D-GN/WH	459	A/C Compressor Clutch Relay Control
5	D-GN	59	A/C Compressor Clutch Supply Voltage
6	PK	439	Ignition 1 Voltage (w/LY7)
7	-	-	Not Used
8	PU	6	Starter Solenoid Crank Voltage
9	PK/BK	5291	Ignition 1 Voltage
10	PK/BK	5291	Ignition 1 Voltage (w/LH2)
11	PK	239	Ignition 1 Voltage
12	PK	239	Ignition 1 Voltage
13	PK/BK	5293	Ignition 1 Voltage
14	-	-	Not Used
15	PK/BK	5290	Ignition 1 Voltage (w/LH2)
16	PK/BK	5290	Ignition 1 Voltage (w/LH2)
17	D-BU	473	High Speed Cooling Fan Relay Control
18-19	-	-	Not Used
20	-	-	Not Used
21	D-GN	335	Low Speed Cooling Fan Relay Control
22	PK/BK	5292	Ignition 1 Voltage (w/LH2)
23	PK/BK	5292	Ignition 1 Voltage
24	YE	447	Starter Relay Coil Control
25	BN	5069	MAIN Relay Control
26	RD/WH	1440	Battery Positive Voltage
	RD/WH	1440	Battery Positive Voltage