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Fuse Block - Underhood - Bottom View (LS4): Notes

Fig 1: Fuse Block - Underhood - Bottom View (LS4)
GM1586141Courtesy of GENERAL MOTORS CORP.
Fuse Block - Underhood C1 (L26/L32)

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 D-GN/WH 465 Fuel Pump Relay Control
A2-A6 - - Not Used
A7 PK 239 Ignition 1 Voltage
A8 - - Not Used
A9 PK 1039 Ignition 1 Voltage (ABS)
A10 - - Not Used
A11 PK 639 Ignition 1 Voltage
A12 - - Not Used
B1-B2 - - Not Used
B3 BK/WH 451 Ground
B4-B5 - - Not Used
B6 YE 1996 Remote Shift Selector Signal (L32)
B7-B8 - - Not Used
B9 PK 1339 Ignition 1 Voltage
B10-B12 - - Not Used
C1 D-GN 335 Low Speed Cooling Fan Relay Control
C2 - - Not Used
C3 BK 2759 Low Reference
C4 - - Not Used
C5 OG 1740 Battery Positive Voltage (ABS)
C6-C7 - - Not Available
C8-C10 - - Not Used
C11 PK 39 Ignition 1 Voltage
C12 - - Not Used
D1 PK 439 Ignition 1 Voltage
D2-D4 - - Not Used
D5 OG 540 Battery Positive Voltage
D6-D7 - - Not Available
D8 GY 2709 5-Volt Reference
D9 PK 439 Ignition 1 Voltage
PK 439 Ignition 1 Voltage
D10 - - Not Used
D11 PK 839 Ignition 1 Voltage
PK 839 Ignition 1 Voltage
D12 - - Not Used
E1 PU 6 Starter Solenoid Crank Voltage
E2 WH 17 Stop Lamp Switch Signal
WH 17 Stop Lamp Switch Signal
E3 YE/BK 625 Starter Enable Relay Control
E4-E5 - - Not Used
E6 D-GN 59 A/C Compressor Clutch Supply Voltage
E7 BK 1050 Ground
E8 PK 339 Ignition 1 Voltage
PK 339 Ignition 1 Voltage
E9-E10 - - Not Used
E11 D-GN 890 Fuel Tank Pressure Sensor Signal
E12 - - Not Used
F1 D-BU 473 High Speed Cooling Fan Relay Control
F2 WH 17 Stop Lamp Switch Signal (ABS)
F3 GY 1884 Cruise Control Switch Signal
F4 WH 1310 EVAP Canister Vent Solenoid Control
F5 PU 1589 Fuel Level Sensor Signal
F6 D-GN/WH 459 A/C Compressor Clutch Relay Control
F7 - - Not Used
F8 PK 339 Ignition 1 Voltage (L32, NU3)
F9 BN 1141 Ignition 3 Voltage
F10 - - Not Used
F11 D-GN 389 Vehicle Speed Signal
D-GN 389 Vehicle Speed Signal
F12 BN 5069 P/Train Relay Control
Fuse Block - Underhood C1 (LS4)

GM1581655Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15477822
  • 56-Way F GT 150 280 Series Metri-Pack 800 (BK)
Pin Wire Color Circuit No. Function
A1 D-GN/WH 465 Fuel Pump Relay Control
A2-A4 - - Not Used
A5 PK/BK 5293 Ignition 1 Voltage
A6 BN 5069 PWR/TRN Relay Control
A7 PK/BK 5294 Ignition 1 Voltage
A8 PK/BK 5294 Ignition 1 Voltage
B1 PK/BK 5290 Ignition 1 Voltage
B2 PK/BK 5291 Ignition 1 Voltage
B3 PK/BK 5293 Ignition 1 Voltage
PK/BK 5293 Ignition 1 Voltage
B4 PK/BK 5292 Ignition 1 Voltage
B5 - - Not Used
C1 D-GN/WH 459 A/C Compressor Clutch Relay Control
C2 BK/BK 451 Ground
C3 - - Not Used
C4 PU PU Fuel Level Sensor Signal
C5 WH WH EVAP Canister Vent Solenoid Control
C6 YE YE Remote Shift Selector Signal
C7 D-BU D-BU High Speed Cooling Fan Relay Control
C8 - - Not Used
D1 D-GN D-GN A/C Compressor Clutch Supply Control
D2-D5 - - Not Used
E1-E2 - - Not Used
F1 PU 6 Starter Solenoid Crank Voltage
F2 RD 1442 Battery Positive Voltage
G1 WH 17 Stop Lamp Switch Signal
WH 17 Stop Lamp Switch Signal
G2 OG 540 Battery Positive Voltage
OG 540 Battery Positive Voltage
G3 OG 1740 Battery Positive Voltage
G4 - - Not Used
G5 D-GN 389 Vehicle Speed Signal
H1 GY 2709 5-Volt Reference
H2 WH 17 Stop Lamp Switch Signal
H3-H5 - - Not Used
H6 D-GN 335 Low Speed Cooling Fan Relay Control
H7 BN 1141 Ignition 3 Voltage
H8 BN 1141 Ignition 3 Voltage
J1 YE/BK 625 Starter Enable Relay Control
J2 PK 1339 Ignition 1 Voltage
PK 1339 Ignition 1 Voltage
J3 PK 439 Ignition 1 Voltage
J4-J5 - - Not Used
K1 PK 1039 Ignition 1 Voltage
K2 BK 2759 Low Reference
K3-K7 - - Not Used
K8 D-GN 890 Fuel Tank Pressure Sensor Signal
Fuse Block - Underhood C2 (L26/L32)

GM684889Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15319895
  • 68-Way F Metri-Pack 280 Series, Flexlock (GY)
Pin Wire Color Circuit No. Function
A1 - - Not Used
A2 WH 17 Stop Lamp Switch Signal
A3-A4 - - Not Used
A5 OG 2540 Battery Positive Voltage
A6 - - Not Used
A7 GY 2709 5-Volt Reference
A8 - - Not Used
A9 PK 739 Ignition 1 Voltage
A10 - - Not Used
A11 PK 1039 Ignition 1 Voltage (JL4)
PK 1039 Ignition 1 Voltage (JL4)
A12 PK 1439 Ignition 1 Voltage
B1 - - Not Used
B2 GY 120 Fuel Pump Supply Voltage
B3 BK 2759 Low Reference
B4 YE 1996 Remote Shift Selector Signal (KB7)
B5-B6 - - Not Used
B7 YE 1139 Ignition 1 Voltage
B8 - - Not Used
B9 PK 739 Ignition 1 Voltage
B10 - - Not Used
B11 D-GN 389 Vehicle Speed Signal (US4)
B12 - - Not Used
C1-C5 - - Not Used
C6-C7 - - Not Available
C8-C10 - - Not Used
C11 PK/BK 109 Hood Ajar Switch Signal
C12 D-GN/WH 1317 Fog Lamp Relay Control
D1-D4 - - Not Used
D5 WH 1310 EVAP Canister Vent Solenoid Control
D6-D7 - - Not Available
D8 - - Not Used
D9 OG 2440 Battery Positive Voltage
D10 PK/WH 1970 Headlamp Low Beam Relay Control
D11 BN 1141 Ignition 3 Voltage
D12 - - Not Used
E1 - - Not Used
E2 RD 228 Windshield Washer Pump Control
E3 GY 1884 Cruise Control Switch Signal
E4 L-BU/WH 1314 Left Front Turn Signal Lamp Supply Voltage
E5 PU 1589 Fuel Level Sensor Signal
E6-E10 - - Not Used
E11 D-GN 890 Fuel Tank Pressure Sensor Signal
E12 - - Not Used
F1 - - Not Used
F2 BK 28 Horn Relay Control
F3 BN 9 Park Lamp Supply Voltage
F4 TN 185 Low Washer Fluid Indicator Signal
F5 BK/WH 1969 Headlamp High Beam Relay Control
F6 GY 91 Wiper Relay Control
F7 BK 1650 Ground
F8 - - Not Used
F9 D-BU/WH 1315 Right Front Turn Signal Lamp Supply Voltage
F10 BK 860 Wiper High Speed Relay Control
F11 D-GN 95 Windshield Wiper Motor Low Speed
F12 PU 92 Windshield Wiper Motor High Speed
Fuse Block - Underhood C2 (LS4)

GM1581657Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15477783
  • x
Pin Wire Color Circuit No. Function
A1 GY 91 Windshield Wiper Switch Signal 2
A2-A4 - - Not Used
A5 PK/WH 1970 Headlamp Low Beam Relay Control
A6 D-BU/WH 1315 Right Front Turn Signal Lamp Supply Voltage
B1 BK 1650 Ground
C1 BK 860 Wiper High Speed Relay Control
C2 L-BU/WH 1314 Left Front Turn Signal Lamp Supply Voltage
C3 - - Not Used
C4 PK/BK 109 Hood Ajar Switch Signal
C5 RD 228 Windshield Washer Pump Control
C6 BK/WH 1969 Headlamp High Beam Relay Control
D1 PU 92 Windshield Wiper Motor High Speed
D2 OG 2540 Battery Positive Voltage
E1 D-GN 95 Windshield Washer Switch Signal
E2 - - Not Used
E3 RD 642 Battery Positive Voltage
RD 642 Battery Positive Voltage
F1 RD 742 Battery Positive Voltage
F2-F3 - - Not Used
G1 OG 2440 Battery Positive Voltage
G2 - - Not Used
H1 D-GN 389 Vehicle Speed Signal (w/ C67)
H2 BN 1141 Ignition 3 Voltage
H3-H4 - - Not Used
H5 D-GN/WH 1317 Fog Lamp Relay Control
J1-J2 - - Not Used
J3 BN 9 Tail/License Lamps Supply Voltage
K1-K2 - - Not Used
K3 BK 28 Horn Relay Control
K4 TN 185 Low Washer Fluid Indicator Control
K5-K6 - - Not Used
Fuse Block - Underhood C3 (L26/L32)

GM647949Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15319894
  • 68-Way F Metri-Pack 280 Series, Flexlock (WH)
Pin Wire Color Circuit No. Function
A1 GY 532 Cooling Fan Low Reference
A2 D-GN 29 Horn Control
A3 - - Not Used
A4 BK 250 Ground
A5 BK 250 Ground
A6-A8 - - Not Used
A9 D-BU/WH 1315 Right Front Turn Signal Lamp Supply Voltage
A10 - - Not Used
A11 PU 34 Fog Lamps Supply Voltage
PU 34 Fog Lamps Supply Voltage
A12 - - Not Used
B1 - - Not Used
B2 RD 228 Windshield Washer Pump Control
B3 BN 9 Park Lamp Supply Voltage
BN 9 Park Lamp Supply Voltage
B4 TN/WH 312 Right Headlamp Low Beam Supply Voltage
B5-B12 - - Not Used
C1-C2 - - Not Used
C3 BN 9 Park Lamp Supply Voltage
BN 9 Park Lamp Supply Voltage
C4 YE 712 Left Headlamp Low Beam Supply Voltage
C5 - - Not Used
C6-C7 - - Not Available
C8 - - Not Used
C9 L-GN/BK 311 Right Headlamp High Beam Supply Voltage
C10-C11 - - Not Used
C12 PK/BK 109 Hood Ajar Switch Signal
D1-D4 - - Not Used
D5 TN 185 Low Washer Fluid Indicator Signal
D6 - - Not Used
D7-D8 - - Not Available
D8 - - Not Used
D9 D-GN/WH 711 Left Headlamp High Beam Supply Voltage
D10-D12 - - Not Used
E1-E9 - - Not Used
E10 WH 504 Cooling Fan Motor Supply Voltage
E11-E12 - - Not Used
F1 L-BU 409 Cooling Fan Motor Supply Voltage
F2 - - Not Used
F3 L-BU/WH 1314 Left Front Turn Signal Lamp Supply Voltage
F4-F12 - - Not Used
Fuse Block - Underhood C3 (LS4)

GM1581659Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15477782
  • 40-Way F GT 150 280 Series Metri-Pack 800 (L-GY)
Pin Wire Color Circuit No. Function
A1 - - Not Used
A2 YE 712 Left Headlamp Low Beam Supply Voltage
A3 TN/WH 312 Right Headlamp Low Beam Supply Voltage
A4 - - Not Used
A5 D-GN/WH 711 Left Headlamp High Beam Supply Voltage
A6 L-GN/BK 311 Right Headlamp High Beam Supply Voltage
B1-B3 - - Not Used
C1 RD 228 Windshield Washer Pump Control
C2-C4 - - Not Used
C5 L-BU/WH 1314 Left Front Turn Signal Lamp Supply Voltage
C6 D-BU/WH 1315 Right Front Turn Signal Lamp Supply Voltage
D1 L-BU 409 Cooling Fan Motor Supply Voltage
D2 BK 250 Ground
E1 GY 532 Cooling Fan Motor Supply Voltage
E2 BK 250 Ground
E3 - - Not Used
F1 - - Not Used
F2 WH 504 Cooling Fan Motor Supply Voltage
F3 - - Not Used
G1 PU 34 Fog Lamps Supply Voltage
PU 34 Fog Lamps Supply Voltage
G2 - - Not Used
H1-H3 - - Not Used
H4 PK/BK 109 Hood Ajar Switch Signal
H5-H6 - - Not Used
J1 BN 9 Park Lamp Supply Voltage
BN 9 Park Lamp Supply Voltage
J2 BN 9 Park Lamp Supply Voltage
BN 9 Park Lamp Supply Voltage
J3 D-GN 29 Horn Control
K1-K2 - - Not Used
K3 TN 85 Low Washer Fluid Indicator Control
K4-K6 - - Not Used
Fuse Block - Underhood C4 (L26/L32)

GM1243665Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15447740
  • 8-Way F Metri-Pack 800 Series (GY)
Pin Wire Color Circuit No. Function
A1 RD 742 Battery Positive Voltage
A2 - - Not Used
B1 RD 642 Battery Positive Voltage
RD 642 Battery Positive Voltage
B2 - - Not Used
C1 RD 242 Battery Positive Voltage
C2 RD 1442 Battery Positive Voltage
D1 OG 1540 Battery Positive Voltage
D2 RD 442 Battery Positive Voltage
Fuse Block - Underhood C4 (LS4)

GM1581620Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15477784
  • x
Pin Wire Color Circuit No. Function
A1-A6 - - Not Used
B1-B3 - - Not Used
C1-C3 - - Not Used
C4 YE 1996 Remote Shift Selector Switch
C5 WH 1310 EVAP Canister Vent Solenoid Control
C6 PU 1589 Fuel Level Sensor Signal
D1 - - Not Used
E1 - - Not Used
E2 GY 120 Fuel Pump Supply Voltage
E3 RD 242 Battery Positive Voltage
F1 RD 442 Battery Positive Voltage
F2-F3 - - Not Used
G1-G2 - - Not Used
H1 PK 1439 Ignition 1 Voltage
H2-H4 - - Not Used
H5 WH 17 Stop Lamp Switch Control
H6 GY 2709 5-Volt Reference
J1 YE 1139 Ignition 1 Voltage
J2 PK 739 Ignition 1 Voltage
J3 PK 1039 Ignition 1 Voltage
PK 1039 Ignition 1 Voltage
K1 PK 239 Ignition 1 Voltage
K2-K4 - - Not Used
K5 D-GN 890 Fuel Tank Pressure Sensor Signal
K6 BK 2759 Low Reference