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Fuse Block - Underhood, Bottom View

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Fuse Block - Underhood, Bottom View
GM1201561Courtesy of GENERAL MOTORS CORP.
Fuse Block - Underhood C1 (4.2L)

GM647955Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15319897
  • 68-Way F Metri-Pack 280 Series Flexlock (L-GY)
Pin Wire Color Circuit No. Function
A1 - - Not Used
A2 PK 839 Ignition 1 Voltage
A3-A4 - - Not Used
A5 PK 639 Ignition 1 Voltage
A6-A7 - - Not Used
A8 PU 6 Starter Solenoid Crank Voltage
A9 GY 1524 Backup Lamp Signal
A10 YE 1737 Neutral Safety Switch Park/Neutral Signal
A11 D-GN/WH 465 Fuel Pump Relay Control
A12 - - Not Used
B1 - - Not Used
B2 PK 239 Ignition 1 Voltage
B3-B4 - - Not Used
B5 PK 339 Ignition 1 Voltage
B6 L-GN 275 Park Neutral Position Switch Park Signal
B7-B8 - - Not Used
B9 WH 1310 EVAP Canister Vent Solenoid Control
B10 OG/BK 463 Requested Torque Signal
B11-B12 - - Not Used
C1 - - Not Used
C2 PK 539 Ignition 1 Voltage
PK 539 Ignition 1 Voltage
C3-C4 - - Not Used
C5 PK 439 Ignition 1 Voltage
PK 439 Ignition 1 Voltage
C8-C9 - - Not Used
C10 BK 550 Ground
C11 TN/BK 464 Delivered Torque Signal
C12 - - Not Used
D1 - - Not Used
D2 PK 1020 Ignition 0 Voltage
D3 BK 350 Ground
BK 350 Ground
D4 - - Not Used
D5 PK 439 Ignition 1 Voltage
PK 439 Ignition 1 Voltage
D8-D9 - - Not Used
D10 BK 550 Ground
BK 550 Ground
D11 PK/BK 415 Air Sol Relay Power Output
D12 - - Not Used
E1-E4 - - Not Used
E5 PK 439 Ignition 1 Voltage
PK 439 Ignition 1 Voltage
E6 BK 450 Ground
E7 BK 450 Ground
E8-E9 - - Not Used
E10 BK 550 Ground
BK 550 Ground
E11 PU 421 Air Sol Relay Control
E12 D-GN 59 A/C Compressor Clutch Supply Voltage
F1-F2 - - Not Used
F3 BK 350 Ground
F4 - - Not Used
F5 PK 439 Ignition 1 Voltage
PK 439 Ignition 1 Voltage
F6-F9 - - Not Used
F10 BK 550 Ground
BK 550 Ground
F11-F12 - - Not Used
Fuse Block - Underhood C1 (5.3L)

GM647955Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15319897
  • 68-Way F Metri-Pack 280 Series Flexlock (L-GY)
Pin Wire Color Circuit No. Function
A1 - - Not Used
A2 PK 1539 Ignition 1 Voltage
PK 1539 Ignition 1 Voltage
A3-A4 - - Not Used
A5 PK 639 Ignition 1 Voltage
A6 PU 806 Crank Voltage
A7 OG/BK 463 Requested Torque Signal
A8 PU 6 Starter Solenoid Crank Voltage
A9 GY 1524 Backup Lamp Signal
A10 YE 1737 Neutral Safety Switch Park/Neutral Signal
A11-A12 - - Not Used
B1 - - Not Used
B2 PK 239 Ignition 1 Voltage
PK 239 Ignition 1 Voltage
B3-B4 - - Not Used
B5 PK 339 Ignition 1 Voltage
B6 L-GN 275 Park Neutral Position Switch Park Signal
B7 - - Not Used
B8 D-GN/WH 465 Fuel Pump Relay Control
B9 WH 1310 EVAP Canister Vent Solenoid Control
B10 TN/BK 464 Delivered Torque Signal
B11-B12 - - Not Used
C1 - - Not Used
C2 PK 539 Ignition 1 Voltage
PK 539 Ignition 1 Voltage
C3-C4 - - Not Used
C5 PK 439 Ignition 1 Voltage
C8-C9 - - Not Used
C10 BK 550 Ground
C11 - - Not Used
C12 PK 1339 Ignition 1 Voltage
PK 1339 Ignition 1 Voltage
D1 - - Not Used
D2 PK 1020 Ignition 0 Voltage
D3 BK 350 Ground
D4 WH/BK 2366 Cooling Fan Clutch Control
D5-D7 - - Not Used
D8 YE/BK 625 Starter Enable Relay Control
D9 D-GN/WH 459 A/C Compressor Clutch Relay Control
D10 BK 550 Ground
BK 550 Ground
D11 D-GN 59 A/C Compressor Clutch Supply Voltage
D12 PK 1239 Ignition 1 Voltage
PK 1239 Ignition 1 Voltage
E1-E4 - - Not Used
E5 BK 450 Ground
E6 BK 450 Ground
E7 BK 450 Ground
BK 450 Ground
E8-E11 - - Not Used
E12 PK 839 Ignition 1 Voltage
F1-F2 - - Not Used
F3 BK 350 Ground
F4-F12 - - Not Used
Fuse Block - Underhood C2

GM647951Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15319896
  • 68-Way F Metri-Pack 280 Series Flexlock (BK)
Pin Wire Color Circuit No. Function
A1 - - Not Used
A2 D-GN 189 Headlamp Leveling Motor Supply Voltage (TR6)
A3 OG 57 Left Cornering Lamp Supply Voltage
A4 - - Not Used
A5 WH/BK 2366 Cooling Fan Clutch Control (4.2L)
A6 BN 2309 Front Park Lamps Supply Voltage
A7 OG 440 Battery Positive Voltage
OG 440 Battery Positive Voltage (5.3L)
A8-A9 - - Not Used
A10 YE 18 Left Rear Stop/Turn Lamp Supply Voltage (UY7)
A11 OG 1640 Battery Positive Voltage (NP4/NP8)
A12 OG 2268 Windshield Washer Relay Control
B1 D-BU 2115 Right Turn Signal Lamps Supply Voltage
B2 - - Not Used
B3 PK/WH 1970 Headlamp Low Beam Relay Control
B4-B5 - - Not Used
B6 PK 639 Ignition 1 Voltage
B7 BK 58 Right Cornering Lamp Supply Voltage
B8-B9 - - Not Used
B10 PU 420 TCC Brake Switch/Cruise Control Release Signal
PU 420 TCC Brake Switch/Cruise Control Release Signal
B11 BN 241 Ignition 3 Voltage
B12 - - Not Used
C1 L-BU 2114 Left Turn Signal Lamps Supply Voltage
C2 D-GN/WH 1317 Fog Lamp Relay Control
C3 L-GN 2270 Rear Window Washer Relay Control
C4 - - Not Used
C5 OG 3040 Battery Positive Voltage (Early Production Only)
C8 - - Not Used
C9 OG 1540 Battery Positive Voltage
C10 - - Not Used
C11 BN 441 Ignition 3 Voltage
C12 BK/WH 1969 Headlamp High Beam Relay Control
D1 D-GN/WH 1317 Fog Lamp Relay Control (T96)
D2 - - Not Used
D3 WH 2282 Headlamp Washer Relay Control (CE4)
D4 - - Not Used
D5 OG 140 Battery Positive Voltage
D8 - - Not Used
D9 OG 640 Battery Positive Voltage
OG 640 Battery Positive Voltage
D10 D-GN 19 Right Rear Stop/Turn Lamp Supply Voltage (UY7)
D11-D12 - - Not Used
E1 OG 2340 Battery Positive Voltage
E2 BK 28 Horn Relay Control
E3 PK 1020 Ignition 0 Voltage
E4 - - Not Used
E5 PK 39 Ignition 1 Voltage
E6 OG 3240 Battery Positive Voltage (JF4)
E7 OG 3040 Battery Positive Voltage (Late Production w/JF4)
E8-E9 - - Not Used
E10 L-GN/BK 584 A/T Shift Lock Control Switch Supply Voltage (4.2L)
L-GN/BK 584 A/T Shift Lock Control Switch Supply Voltage (4.2L)
E11 BK/WH 1695 Axle Switch Signal (NP8)
E12 OG 1140 Battery Positive Voltage
OG 1140 Battery Positive Voltage (Export 4.2L Only)
F1 OG 2940 Battery Positive Voltage
F2-F4 - - Not Used
F5 YE 1139 Ignition 1 Voltage
F6 PU 806 Crank Voltage (4.2L)
F7 YE 5 Crank Voltage
F8 YE/BK 625 Starter Enable Relay Control (4.2L)
L-GN/BK 584 A/T Shift Lock Control Switch Supply Voltage (5.3L)
L-GN/BK 584 A/T Shift Lock Control Switch Supply Voltage (5.3L)
F9 - - Not Used
F10 D-GN 1433 Neutral Start Switch Signal (4.2L)
F11 RD 142 Battery Positive Voltage
F12 D-GN/WH 459 A/C Compressor Clutch Relay Control (4.2L)
Fuse Block - Underhood C3

GM647944Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15319892
  • 32-Way F Metri-Pack 280 Series Flexlock (NA)
Pin Wire Color Circuit No. Function
A1 - - Not Used
A2 PK 739 Ignition 1 Voltage (SWB w/4.2L)
A3 OG 2840 Battery Positive Voltage (G67)
A4 - - Not Used
A5 PK 239 Ignition 1 Voltage (4.2L w/BAE)
PK 239 Ignition 1 Voltage (4.2L)
A6 - - Not Used
B1-B3 - - Not Used
B4 L-GN 1624 Trailer Backup Lamps Supply Voltage
B5 BN 441 Ignition 3 Voltage
B6 - - Not Used
C1-C5 - - Not Used
C6 OG 540 Battery Positive Voltage (5.3L)
D1 - - Not Used
D2 YE 1618 Trailer Left Rear Turn/Stop Lamp Supply Voltage
D5 TN/BK 464 Delivered Torque Signal (2WD w/NW7)
D6 BK/WH 1695 Axle Switch Signal (NP8)
E1-E2 - - Not Used
E3 PU 420 TCC Brake Switch Signal
E4 BN 241 Ignition 3 Voltage
BN 241 Ignition 3 Voltage (NP8)
E5 OG 1640 Battery Positive Voltage (NP8)
E6 - - Not Used
F1 BK 350 Ground
BK 350 Ground (NP8)
F2 OG/BK 463 Requested Torque Signal (2WD w/NW7)
F3 GY 120 Fuel Pump Supply Voltage
F4 WH 1310 EVAP Canister Vent Solenoid Control
F5 - - Not Used
F6 D-GN 1619 Trailer Right Rear Turn/Stop Lamp Supply Voltage
Fuse Block - Underhood C4

GM647947Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15319893
  • 32-Way F Metri-Pack 280 Series Flexlock (GY)
Pin Wire Color Circuit No. Function
A1 BN 2309 Front Park Lamps Supply Voltage
BN 2309 Front Park Lamps Supply Voltage (Domestic Except W49)
A2 - - Not Used
A3 WH 2368 Cooling Fan Clutch Supply Voltage
A4-A5 - - Not Used
A6 L-BU 2114 Left Turn Signal Lamps Supply Voltage
L-BU 2114 Left Turn Signal Lamps Supply Voltage (Except Export)
B1 BN 2309 Front Park Lamps Supply Voltage
BN 2309 Front Park Lamps Supply Voltage (Domestic Except W49)
B2 PK 639 Ignition 1 Voltage (TR6)
PK 639 Ignition 1 Voltage (TR6)
B3 BK 58 Right Cornering Lamp Supply Voltage
B4 OG 57 Left Cornering Lamp Supply Voltage
B5 D-GN 392 Rear Window Washer Pump Control
B6 - - Not Used
C1-C2 - - Not Used
C5 BK 350 Ground
C6 D-BU 2115 Right Turn Signal Lamps Supply Voltage
D-BU 2115 Right Turn Signal Lamps Supply Voltage (Except Export)
D1-D2 - - Not Used
D5 D-GN 189 Headlamp Leveling Motor Supply Voltage (TR6)
D-GN 189 Headlamp Leveling Motor Supply Voltage (TR6)
D6 - - Not Used
E1 D-GN/WH 711 Left Headlamp High Beam Supply Voltage
E2 YE 712 Left Headlamp Low Beam Supply Voltage
E3 - - Not Used
E4 RD 228 Windshield Washer Pump Control
E5-E6 - - Not Used
F1 L-GN/BK 311 Right Headlamp High Beam Supply Voltage
F2 TN/WH 312 Right Headlamp Low Beam Supply Voltage
F3 - - Not Used
F4 D-GN 1329 Horn Fuse Supply Voltage
F5 PU 1197 Headlamp Washer Pump Control (CE4)
F6 PU 34 Fog Lamps Supply Voltage (T96)
PU 34 Fog Lamps Supply Voltage (T96)
Fuse Block - Underhood C5

GM647935Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12193694
  • 2-Way F MAXI FUSE (L-GY)
Pin Wire Color Circuit No. Function
A RD 342 Battery Positive Voltage
B PK 3 Ignition 1 Voltage
Fuse Block - Underhood C6

GM647937Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12193696
  • 2-Way F MAXI FUSE (BN)
Pin Wire Color Circuit No. Function
A - - Not Used
B RD 542 Battery Positive Voltage
Fuse Block - Underhood C7

GM647933Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12193693
  • 2-Way F MAXI FUSE (BK)
Pin Wire Color Circuit No. Function
A RD 1042 Battery Positive Voltage (SWB w/4.2L)
B RD 642 Battery Positive Voltage
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