Ground Views & Harness Routing

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying G100 & G101

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	G101
2	G100

Fig 2: Identifying G110 (XA7)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	G110

Fig 3: View Of Engine Harness Routing - Left Side (4.3L)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Throttle Body
2	G107
3	Transmission
4	X300
5	X109
6	X110 (NQG/NQH)
7	Fuse Block - Underhood X2

Fig 4: View Of Engine Harness Routing - Top (4.3L)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Mega Fuse Ring Terminal
2	X175 (M30)
3	J128
4	J105
5	J106
6	J130 (M30 with NQG/NQH)
7	Engine Control Module (ECM) X1
8	Engine Control Module (ECM) X2
9	G103
10	X112
11	Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Connector

Fig 5: View Of Engine Harness Routing - Left Front Side (4.8L/5.3L/6.0L/6.2L)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Air Intake Duct
2	X111
3	Fuse Block - Underhood X2
4	X109
5	X110 (NQF/NQG/NQH)
6	Engine Control Module (ECM) X2
7	Engine Control Module (ECM) X1
8	G102
9	J105

Fig 6: View Of Engine harness Routing - Right Front Side (4.8L/5.3L/6.0L/6.2L)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Dash Panel
2	X113
3	J106
4	G103

Fig 7: Identifying Components At Rear Engine (Diesel)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	X300
2	G300
3	Automatic Transmission Turbine Speed Sensor (MW7)
4	Automatic Transmission (MW7)
5	Vehicle Speed Sensor (VSS) (MW7)
6	X124 (PTO)
7	Power Take Off (PTO) Module (PTO)
8	X175 (MW7)

Fig 8: Identifying G201

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	G201

Fig 9: View Of Body Harness Routing (Regular Cab)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	X200
2	G302
3	X319 (AZ3/D07 with UQ3)
4	JX339 (except MEX)
5	X305 (except MEX)
6	G304 (except MEX)
7	J304 (AG2)
8	J303
9	X303 (except MEX)
10	Inflatable Restraint Sensing and Diagnostic Module (SDM) Connector
11	X275
12	X202
13	X500 (YE9 without AN3/DL3)
14	X501 (YE9 without AN3/DL3)
15	X601 (ASF)
16	X600 (YE9 without AN3/DL3)

Fig 10: View Of Body Harness Routing (Extended Cab)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	X700
2	G303
3	X303
4	Inflatable Restraint Sensing and Diagnostic Module (SDM) Connector
5	X501 (YE9 without AN3/DL3)
6	X275
7	X208 (A48)
8	X202
9	X500 (YE9 without AN3/DL3)
10	G301
11	J304
12	X200
13	X601 (ASF)
14	X600 (YE9 without AN3/DL3)
15	G302
16	JX339
17	X305
18	X319 (AZ3/D07 with UQ3)
19	X800
20	J302
21	G304
22	X320 (A48)
23	J303
24	X322 (UD7)
25	Floor Panel

Fig 11: Locating G301, G302, G303, G304 & G307 (Crew Cab)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	G302
2	G301
3	G304
4	G307
5	G303

Fig 12: Identifying Chassis Harness Routing (Regular Cab/Extended Cab)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	X300
2	X408 (UD7)
3	Trailer Connector (UY7)
4	J411 (JL1)
5	G401
6	J331
7	Fuse Block - Underhood X3
8	X115
9	X102 (JL1)
10	J300
11	G300

Fig 13: Identifying G300 & G401 (Except LY6/LMM/31 Series)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	G401
2	G300