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Fuse Block - Underhood Bottom View: Notes

WARNING: This page is about a different car, the 2006 GMC Sierra, 2006 GMC Cab & Chassis Sierra, 2006 Chevrolet Silverado, and 2006 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Fuse Block - Underhood Bottom View
GM891850Courtesy of GENERAL MOTORS CORP.
Fuse Block - Underhood C1

GM365994Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12193905
  • 68-Way F Metri-Pack 280 Series Flexlock (GY)
Pin Wire Color Circuit No. Function
A1-A2 - - Not Used
A3 YE 5 Crank Voltage
A4 - - Not Used
A5 OG 4340 Battery Positive Voltage
A6 PK 39 Ignition 1 Voltage
A7 YE 1139 Ignition 1 Voltage
YE 1139 Ignition 1 Voltage (C99)
A8 L-GN/BK 584 A/T Shift Lock Control Switch Supply Voltage (A/T)
A9 PK 3 Ignition 1 Voltage
A10 - - Not Used
A11 D-GN 1433 Park/Neutral Start Switch Signal (MG5/ML6/MW3/MW7)
A12 BN 2409 Interior Park Lamps Supply Voltage
BN 2409 Interior Park Lamps Supply Voltage
B1 OG 1640 Battery Positive Voltage (NP8)
B2 OG 2268 Windshield Washer Relay Control
B3 D-GN/WH 1317 Fog Lamp Relay Control (T96)
D-GN/WH 1317 Fog Lamp Relay Control (T96)
B4-B7 - - Not Used
B8 OG 1840 Battery Positive Voltage
B9 BK/WH 1969 Headlamp Relay Control/Headlamp High Beam Relay Control
B10 - - Not Used
B11 OG 3840 Battery Positive Voltage (CF5)
B12 RD 142 Battery Positive Voltage
C1 OG 1640 Battery Positive Voltage (NP8)
C2 OG 3240 Battery Positive Voltage
C3 BK 28 Horn Relay Control
BK 28 Horn Relay Control
C4-C5 - - Not Used
C6-C7 - - Not Available
C8 - - Not Used
C9 PK 1020 Ignition 0 Voltage
C10 OG 1040 Battery Positive Voltage
C11 - - Not Used
C12 PU 420 TCC Brake Switch/Cruise Control Release Signal
D1-D2 - - Not Used
D3 PK/WH 1970 Headlamp Low Beam Relay Control
D4 OG 340 Battery Positive Voltage
OG 340 Battery Positive Voltage (UQ3/UQ5/UQ7)
D5 OG 640 Battery Positive Voltage
OG 640 Battery Positive Voltage
D6-D7 - - Not Available
D8-D9 - - Not Used
D10 PK 639 Ignition 1 Voltage
D11 - - Not Used
D12 OG 1140 Battery Positive Voltage - BCM
E1-E2 - - Not Used
E3 L-GN /BK 592 DRL Relay Control
E4 OG 4540 Battery Positive Voltage (8S8)
OG 4540 Battery Positive Voltage
E5 - - Not Used
E6 BN/WH 1571 Traction Control Switch Signal (NW7)
E7 L-BU 1320 CHMSL Supply Voltage/Stop Lamp Supply Voltage
E8 - - Not Used
E9 D-GN 591 Ignition 1 Voltage (HP2)
E10 D-BU 2115 Right Turn Signal Lamps Supply Voltage
E11 OG 2340 Battery Positive Voltage
E12 - - Not Used
F1 PK 139 Ignition 1 Voltage (w/JC4 or w/o NQZ)
F2 OG 3740 Battery Positive Voltage
F3 L-BU 2114 Left Turn Signal Lamps Supply Voltage
F4 - - Not Used
F5 PK 739 Ignition 1 Voltage (8S8)
PK 739 Ignition 1 Voltage
F6 PK 639 Ignition 1 Voltage (w/o 8S8)
PK 639 Ignition 1 Voltage (Except Diesel/8.1L w/MW7)
F7 OG 2840 Battery Positive Voltage (w/o 8S8)
F8-F9 - - Not Used
F10 GY 1524 Backup Lamp Supply Voltage (w/o MW7)
L-GN 24 Backup Lamp Supply Voltage (MW7)
L-GN 24 Backup Lamp Supply Voltage (MW7)
F11 WH 1080 Park Lamp Relay Control
F12 OG 1540 Battery Positive Voltage
Fuse Block - Underhood C2

GM362761Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12193906
  • 68-Way F Metri-Pack 280 Series (BK)
Pin Wire Color Circuit No. Function
A1-A2 - - Not Used
A3 D-GN 59 A/C Compressor Clutch Supply Voltage (CJ2/CJ3)
A4-A6 - - Not Used
A7 D-GN/WH 465 Fuel Pump Relay Control - Primary
A8 OG 440 Battery Positive Voltage (MW7)
A9 PK 1339 Ignition 1 Voltage
A10 L-BU 1320 CHMSL Supply Voltage/Stop Lamp Supply Voltage (KUP)
A11 GY 1524 Backup Lamp Supply Voltage Signal (Diesel)
GY 1524 Trailer Backup Lamp Supply Signal
A12 PK 439 Ignition 1 Voltage (L59)
PK 439 Ignition 1 Voltage (EVA)
B1 - - Not Used
B2 OG 3440 Battery Positive Voltage (8.1L/PTO)
B3 BK/WH 1695 Axle Switch Signal
BK/WH 1695 Axle Switch Signal
B4-B6 - - Not Used
B7 BK 550 Ground
B8 OG 440 Battery Positive Voltage
OG 440 Battery Positive Voltage
B9 PK 1039 Ignition 1 Voltage
PK 1039 Ignition 1 Voltage (Diesel)
B10 PK 439 Ignition 1 Voltage - MAF/IAT Sensor (Gas)
PK 439 Ignition 1 Voltage - PCM (Gas)
B11-B12 - - Not Used
C1-C2 - - Not Used
C3 D-GN/WH 459 A/C Compressor Clutch Relay Control (CJ2/CJ3)
C4-C5 - - Not Used
C6-C7 - - Not Available
C8-C9 - - Not Used
C10 PK 1039 Ignition 1 Voltage (Except 4.3L Gas)
PK 1039 Ignition 1 Voltage (Gas)
C11 - - Not Used
C12 PU 420 TCC Brake Switch/Cruise Control Release Signal
PU 420 TCC Brake Switch/Cruise Control Release Signal (MW7)
D1-D2 - - Not Used
D3 L-GN 275 Park Neutral Position Switch Park Signal
D4 - - Not Used
D5 RD/WH 4740 Battery Positive Voltage (10 Series Except HP2)
RD/WH 4740 Battery Positive Voltage (10 Series Except HP2)
D6-D7 - - Not Available
D8 PK 539 Ignition 1 Voltage - HO2S Bank 1 Sensor 1 (Gas except HP2)
PK 539 Ignition 1 Voltage - HO2S Bank 2 Sensor 1 (Gas except HP2)
PK 239 Ignition 1 Voltage (Diesel)
PK 239 Ignition 1 Voltage (Diesel)
D9 PK 1239 Ignition 1 Voltage (Gas)
PK 339 Ignition 1 Voltage (Diesel)
PK 339 Ignition 1 Voltage (Diesel)
D10 PK 1039 Ignition 1 Voltage (Gas)
PK 1039 Ignition 1 Voltage (Gas)
D11 PU 6 Starter Solenoid Crank Voltage (w/o HP2)
D12 YE/BK 625 Starter Enable Relay Control (Except HP2)
E1-E5 - - Not Used
E6 PK 1239 Ignition 1 Voltage - Fuel Injector 2 (Gas)
PK 1239 Ignition 1 Voltage - Fuel Injector 4 (Gas)
GY/BK 2219 FICM Relay Control (Diesel)
E7 PK 1539 Ignition 1 Voltage - HO2S - Bank 1 Sensor 2 (Gas except HP2)
PK 1539 Ignition 1 Voltage - HO2S - Bank 2 Sensor 2 (Gas except HP2)
PK 439 Ignition 1 Voltage - MAF/IAT Sensor (Diesel)
PK 439 Ignition 1 Voltage - ECM (Diesel)
E8-E9 - - Not Used
E10 PK 1239 Ignition 1 Voltage (Gas) (Except 4.3L)
PK 1239 Ignition 1 Voltage (Gas)
E11 PK 1020 Ignition 0 Voltage (A/T Except MW7)
PK 1020 Ignition 0 Voltage
E12 - - Not Used
F1-F2 - - Not Used
F3 PU 806 Crank Voltage
PU 806 Crank Voltage (MW7)
F4-F7 - - Not Used
F8 PK 839 Ignition 1 Voltage
F9 PK 639 Ignition 1 Voltage (GAS)
F10 PK 1020 Ignition 0 Voltage
PK 1020 Ignition 0 Voltage (MW7 or HP2)
F11 D-GN 1433 Park/Neutral Start Switch Signal (Except HP2)
BK 550 Ground (Diesel w/MW7)
PK 639 Ignition 1 Voltage (8.1L w/MW7)
F12 - - Not Used
Fuse Block - Underhood C3

GM362759Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12193916
  • 32-Way F Metri-Pack 280 Series (RD)
Pin Wire Color Circuit No. Function
A1-A2 - - Not Used
A3 D-BU 2115 Right Turn Signal Lamps Supply Voltage
A4 OG 2640 Battery Positive Voltage (Gas)
A5 PU 420 TCC Brake Switch/Cruise Control Release Signal
A6 - - Not Used
B1 BK/WH 1695 Axle Switch Signal (NP2)
B2 - - Not Used
B3 L-BU 2114 Left Turn Signal Lamps Supply Voltage
B4-B5 - - Not Used
B6 BN 2109 Trailer Park Lamps Supply Voltage
C1 - - Not Used
C2 L-GN 1624 Trailer Backup Lamps Supply Voltage (8S3)
L-GN 1624 Trailer Backup Lamps Supply Voltage
C3-C4 - - Not Available
C5 - - Not Used
C6 BN/WH 2609 Right Rear Park Lamps Supply Voltage
D1-D2 - - Not Used
D3-D4 - - Not Available
D5-D6 - - Not Used
E1-E3 - - Not Used
E4 BK 550 Ground
E5-E6 - - Not Used
F1 GY 120 Fuel Pump Supply Voltage
GY 120 Fuel Pump Supply Voltage (Except NQZ)
F2-F3 - - Not Used
F4 L-BU 1320 CHMSL Supply Voltage/Stop Lamp Supply Voltage
F5 - - Not Used
F6 BN 2509 Left Rear Park Lamps Supply Voltage
Fuse Block - Underhood C4

GM362760Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12193914
  • 32-Way F Metri-Pack 280 Series (GN)
Pin Wire Color Circuit No. Function
A1-A2 - - Not Used
A3 D-BU 2115 Right Turn Signal Lamps Supply Voltage
D-BU 2115 Right Turn Signal Lamps Supply Voltage
A4 BK 550 Ground
BK 550 Ground
A5 - - Not Used
A6 D-GN 1329 Left Horn Fuse Supply Voltage
D-GN 1329 Right Horn Fuse Supply Voltage
B1 - - Not Used
B2 D-BU 545 Left DRL Supply Voltage
D-BU 545 Right DRL Supply Voltage
B3-B6 - - Not Used
C1 BN 2309 Left Front Park Lamps Supply Voltage
BN 2309 Right Front Park Lamps Supply Voltage
C2 - - Not Used
C3-C4 - - Not Available
C5 BN 2309 Front Park Lamps Supply Voltage
BN 2309 Front Park Lamps Supply Voltage
C6 RD 228 Windshield Washer Pump Control
D1-D2 - - Not Used
D3-D4 - - Not Available
D5 - - Not Used
D6 PU 34 Left Fog Lamps Supply Voltage (T96)
PU 34 Right Fog Lamps Supply Voltage (T96)
E1 L-BU 2114 Left Turn Signal Lamps Supply Voltage
L-BU 2114 Left Turn Signal Lamps Supply Voltage
E2 D-GN/WH 711 Left Headlamp High Beam Supply Voltage
E3 L-GN/BK 311 Right Headlamp High Beam Supply Voltage
E4-E6 - - Not Used
F1-F3 - - Not Used
F4 YE 712 Left Headlamp Low Beam Supply Voltage
F5 TN/WH 312 Right Headlamp Low Beam Supply Voltage
F6 - - Not Used
Fuse Block - Underhood C5

GM845605Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15393171
  • 2-Way F J-Type (GY)
Pin Wire Color Circuit No. Function
A RD 842 Battery Positive Voltage
B RD 542 Battery Positive Voltage
Fuse Block - Underhood C6

GM845608Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15393172
  • 2-Way F J-Type (L-GN)
Pin Wire Color Circuit No. Function
A RD 642 Battery Positive Voltage
B - - Not Used
Fuse Block - Underhood C7

GM845633Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15393168
  • 2-Way F J-Type (BK)
Pin Wire Color Circuit No. Function
A RD 342 Battery Positive Voltage
RD 342 Battery Positive Voltage (HP2)
B RD 42 Battery Positive Voltage
Fuse Block - Underhood C9

GM845602Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15393170
  • 2-Way F J-Type (NA)
Pin Wire Color Circuit No. Function
A RD 442 Battery Positive Voltage
B - - Not Used
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