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Fuse Block - Underhood Bottom View: Notes

Fig 1: Identifying Underhood Fuse Block - Bottom View
GM1228065Courtesy of GENERAL MOTORS CORP.
Underhood Fuse Block C1

GM886446Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15319797
  • 2-Way F (L-GY)
Pin Wire Color Circuit Number Function
A RD 202 Battery Positive Voltage
B RD 1202 Battery Positive Voltage
Underhood Fuse Block - C2

GM890341Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15328719
  • 68-Way F (BN)
Pin Wire Color Circuit Number Function
A1-A2 -- -- Not Used
A3 D-BU 1201 Headlamp Low Beam Ground (3.0L)
A4 -- -- Not Used
A5 D-BU 473 High Speed Cooling Fan Relay Control
A6-A7 -- -- Not Used
A8 PK 839 Ignition 1 Voltage (3.0L)
A9-A10 -- -- Not Used
A11 BK 150 Ground
A12 D-GN 335 Cooling Fan Relay Control
B1-B8 -- -- Not Used
B9 BN 9 Park Lamp Supply Voltage
B10-C2 -- -- Not Used
C3 D-BU 1201 Headlamp Low Beam Ground (3.0L)
C4-C8 -- -- Not Used
C9 BN 9 Park Lamp Supply Voltage
C10-C12 -- -- Not Used
D1 OG 40 Battery Positive Voltage
D2 D-BU 545 DRL Supply Voltage
D3 -- -- Not Used
D4 D-GN 29 Horn Control
D5-D12 -- -- Not Used
D5 -- -- Not Used
D9 BN 9 Park Lamp Supply Voltage
E1 L-BU 14 Left Turn Signal Lamps Supply Voltage (3.0L)
BK/WH 99 Windshield Washer Fluid Level Signal (2.2L)
E2 -- -- Not Used
E3 D-BU 1201 Headlamp Low Beam Ground (2.2L)
PK 1200 Headlamp High Beam Ground (3.0L)
E4 -- -- Not Used
E5 PU 34 Fog Lamp Supply Voltage (T96)
E6 D-GN 392 Rear Window Washer Switch Signal (3.0L)
PK 1200 Headlamp High Beam Signal
E7-E12 -- -- Not Used
F1 D-BU 15 Right Turn Signal Lamps Supply Voltage
F2 -- -- Not Used
F3 D-BU 1201 Headlamp Low Beam Ground (2.2L)
PK 1200 Headlamp High Beam Signal (3.0L)
F4 -- -- Not Used
F5 PU 34 Fog Lamp Supply Voltage (T96)
F6 BK/WH 99 Windshield Washer Fluid Level Signal (2.2L)
PK 1200 Headlamp High Beam Ground (3.0L)
F7 RD 228 Front Window Washer Switch Signal (2.2L)
-
F8 L-BU 14 Left Turn Signal Lamps Supply Voltage (2.2L)
RD 228 Front Window Washer Switch Signal (3.0L)
F9 D-GN 392 Rear Window Washer Switch Signal (2.2L)
F10 OG 140 Battery Positive Voltage
F11-F12 -- -- Not Used
Underhood Fuse Block - C3

GM889903Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15303512
  • Gray
Pin Wire Color Circuit Number Function
A1 D-BU 15 Right Turn Signal Lamps Supply Voltage
A2 OG 300 Ignition 3 Voltage (2.2L)
D-BU 1201 Headlamp Low Beam Ground (3.0L)
A3 WH 393 Rear Window Wiper Motor Control
A4 -- -- Not Used
A5 PU 34 Fog Lamp Supply Voltage
A6 PU 1500 Ignition 0 Voltage
PU 1500 Ignition 0 Voltage (w/ A/T)
A7 RD 402 Battery Positive Voltage (2.2L)
RD 302 Battery Positive Voltage (3.0L)
A8 L-BU 14 Left Turn Signal Lamps Supply Voltage (2.2L)
RD 228 Windshield Washer Pump Signal (3.0L)
RD 228 Windshield Washer Pump Signal (3.0L)
A9 BN 741 Ignition 3 Voltage
A10 OG 540 Battery Positive Voltage
A11 L-BU 97 Windshield Wiper Switch Mist/Off/Low Signal
A12 -- -- Not Used
B1 BK/WH 99 Windshield Washer Fluid Level Signal (2.2L)
B2 BK/WH 1579 Oil Life Reset Switch Signal (2.2L)
L-BU 14 Left Turn Signal Lamps Supply Voltage (3.0L)
B3 OG/BK 1445 BCM Program Enable Signal
B4 YE 143 Accessory Voltage
B5 L-BU 20 Stop Lamp Supply Voltage
B6 D-GN 500 Ignition 0 Voltage
B7 RD 228 Windshield Washer Pump Signal (2.2L)
RD 228 Windshield Washer Pump Signal (2.2L)
D-GN 392 Rear Window Washer Switch Signal (3.0L)
D-GN 392 Rear Window Washer Switch Signal (3.0L)
B8 BN 9 Park Lamp Supply Voltage (2.2L)
B9 PK 339 Ignition 1 Voltage
B10 -- -- Not Used
B11 OG/BK 1445 BCM Program Enable Signal
B12 YE 343 Accessory Voltage
C1 L-BU 832 Traction Control Active Signal (2.2L w/ABS)
C2 OG 1640 Battery Positive Voltage
OG 1640 Battery Positive Voltage (C68)
C3 D-BU/WH 1201 Headlamp Low Beam Ground (2.2L)
D-BU/WH 1201 Headlamp Low Beam Ground (2.2L)
WH 1579 Oil Life Reset Switch Signal (3.0L)
C4 -- -- Not Used
C5 PK 1200 Headlamp High Beam Ground (2.2L)
-
C8 D-GN 392 Washer Pump Supply Voltage (2.2L)
BN 9 Park Lamp Supply Voltage (3.0L)
C9 PK 339 Ignition 1 Voltage (2.2L)
C10 -- -- Not Used
C11 OG 440 Battery Positive Voltage
C12 GY 120 Fuel Pump Supply Voltage (2.2L)
D1 L-GN/BK 592 DRL Relay Control
D2 -- -- Not Used
D3 BN 1341 Ignition 3 Voltage (M/T)
BK 28 Horn Relay Control (3.0L)
BK 28 Horn Relay Control (3.0L)
D4 OG 1440 Battery Positive Voltage
D5 PK 1200 Headlamp High Beam Ground (2.2L)
PK 1200 Headlamp High Beam Ground (2.2L)
BK/WH 771 Transmission Range Switch Signal A (3.0L)
D8 PK 239 Ignition 1 Voltage (3.0L)
PK 239 Ignition 1 Voltage (3.0L)
D9 -- -- Not Used
D10 PK 1139 Ignition 1 Voltage
D11 -- -- Not Used
D12 L-GN 120 Fuel Pump Supply Voltage (3.0L)
-
E1 OG 2240 Battery Positive Voltage
E2 -- -- Not Used
E3 BK 28 Horn Relay Control (2.2L)
BK 28 Horn Relay Control (2.2L)
PK 1200 Headlamp High Beam Ground (3.0L)
E4 OG 1740 Battery Positive Voltage
E5 -- -- Not Used
E6 PK 2192 Traction Ready Indicator Control (2.2L w/ ABS)
-
E7 OG 1240 Battery Positive Voltage
E8 PK 239 Instrument Panel Lamp Control (2.2L)
PK 239 Instrument Panel Lamp Control (2.2L)
GY 773 Transmission Range Switch Signal C (3.0L)
E9 PK 3 Ignition 1 Voltage
E10 OG 1040 Battery Positive Voltage
E11 OG 2540 Battery Positive Voltage
E12 GY 773 Transmission Range Switch Signal C (2.2L w/ A/T)
L-GN 24 Backup Lamp Supply Voltage (3.0L)
F1 -- -- Not Used
F2 OG 240 Battery Positive Voltage
F3 PK 39 Ignition 1 Voltage (2.2L)
PK 39 Ignition 1 Voltage (2.2L)
PK 1200 Headlamp High Beam Ground (3.0L)
PK 1200 Headlamp High Beam Ground (3.0L)
F4 -- -- Not Used
F5 OG 2140 Battery Positive Voltage
OG 2140 Battery Positive Voltage
F6 L-GN 24 Backup Lamp Supply Voltage (2.2L)
BK/WH 99 Windshield Washer Fluid Level Signal (3.0L)
F7 -- -- Not Used
F8 BK/WH 867 ABS Indicator Failure Control (2.2L w/ABS)
PK 39 Ignition 1 Voltage (3.0L)
PK 39 Ignition 1 Voltage (3.0L)
F9 BK/WH 771 Transmission Range Switch Signal A (2.2L w/ A/T)
OG 2740 Battery Positive Voltage (3.0L)
F10-F11 -- -- Not Used
F12 OG 2540 Battery Positive Voltage
OG 2540 Battery Positive Voltage
Underhood Fuse Block - C4 (2.2L)

GM889912Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15303513
  • Black
Pin Wire Color Circuit Number Function
A1-A2 -- -- Not Used
A3 YE 772 Transmission Range Switch Signal B (A/T)
A4 L-BU 20 Stop Lamp Supply Voltage (A/T)
-7
A5 -- -- Not Used
A6 PU 415 AIR Solenoid Supply Voltage
-
A7 BK 150 Ground (NC1)
-
A8 BK 150 Ground
A9 PK 839 Ignition 1 Voltage
-
A10 - - Not Used
A11 L-GN 867 ABS Indicator Failure Control (w/ ABS)
-
A12 WH 776 Transmission Range Switch Signal P (A/T)
WH 776 Transmission Range Switch Signal P (A/T)
B1-B2 -- -- Not Used
B3 YE 772 Transmission Range Switch Signal B (A/T)
B4 L-BU 20 Stop Lamp Supply Voltage (w/ ABS)
-
B5-B9 -- -- Not Used
B10 PK 139 Ignition 1 Voltage
-
B11 - - Not Used
B12 WH 776 Transmission Range Switch Signal P (A/T)
C1-C3 -- -- Not Used
C4 GN/WH 459 A/C Compressor Clutch Relay Control
C5 - - Not Used
C6-C7 -- -- Not Used
C8 BK 150 Ground (w/ ABS)
C9 PK 839 Driver Mirror Motor Right Control (A/T)
C10 PK 139 Ignition 1 Voltage
-
C11 PU 1500 Ignition 0 Voltage
-
C12 BK/WH 771 Transmission Range Switch Signal A (A/T)
-
D1-D5 -- -- Not Used
D8 BK 150 Ground
D9-D10 -- -- Not Used
D11 GY 773 Transmission Range Switch Signal C (A/T)
-
D12 BK/WH 771 Transmission Range Switch Signal A (A/T)
-
E1 L-BU 832 Traction Control Active Signal (w/ ABS)
-
E2 -- 2192 Traction Ready Indicator Control (w/ ABS)
E3 - - Not Used
E4 D-GN 59 A/C Compressor Clutch Supply Voltage
E5 PK 1639 Ignition 1 Voltage
-
E6 BK 150 Ground
-
E7 - - Not Used
E8 BK 150 Ground (w/ ABS)
E9 PK 239 Ignition 1 Voltage (A/T)
E10 PK 339 Ignition 1 Voltage (w/ ABS)
-
E11 GY 773 Transmission Range Switch Signal C (A/T)
E12 BK 196 Windshield Wiper Motor Park Switch Signal
-
F1-F2 - - Not Used
-
F3 L-GN 24 Backup Lamp Supply Voltage
-
F4 OG 480 Battery Positive Voltage
-
F5 D-BU 473 Cooling Fan 2 Relay Control
F6 BK/WH 78 AIR Pump Supply Voltage (M/T)
-
F7 -- 436 AIR Pump Relay Control (M/T)
-
F8 BK 150 Ground (M/T)
F9 PK 239 Ignition 1 Voltage (M/T)
-
F10 PK 1639 Ignition 1 Voltage
PK 1639 Ignition 1 Voltage
F11 BK 465 Fuel Pump Relay Control
-
F12 D-GN 335 Cooling Fan 1 Relay Control
Underhood Fuse Block - C4 (3.0L)

GM889912Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15303513
  • Black
Pin Wire Color Circuit Number Function
A1-A2 -- -- Not Used
A3 YE 772 Transmission Range Switch Signal B
A4 OG 2640 Battery Positive Voltage
-
5 -- -- Not Used
A6 PK 339 Ignition 1 Voltage (w/ ABS)
-
A7 BN 582 TAC Motor Control - 2
BN 582 TAC Motor Control - 2
A8 BK 150 Ground
A9 L-BU 20 Stop Lamp Supply Voltage
-
A10 L-BU 20 Stop Lamp Supply Voltage (w/ ABS)
A11 BK 196 Windshield Wiper Motor Park Switch Signal
-
A12 WH 776 Transmission Range Switch Signal P
WH 776 Transmission Range Switch Signal P
B1 -- -- Not Used
B2 OG 2440 Battery Positive Voltage
B3 YE 772 Transmission Range Switch Signal B
B4 BK/WH 771 Transmission Range Switch Signal A
-
B5 -- -- Not Used
B6 PK 339 Ignition 1 Voltage
B7 BN 582 TAC Motor Control - 2
B8 BK 150 Ground (w/ ABS)
B9 -- -- Not Used
B10 L-BU 20 Stop Lamp Supply Voltage
-
B11 BK/WH 251 EGR Solenoid Control
B12 WH 776 Transmission Range Switch Signal P
C1-C3 -- -- Not Used
C4 GN/WH 459 A/C Compressor Clutch Relay Control
C5 OG 2740 Battery Positive Voltage
C6-C7 -- -- Not Used
C8 BK 150 Ground
C9 PK 839 Driver Mirror Motor Right Control
C10 L-GN 497 Fuel Pump Relay Control
-
C11 BK/WH 251 Ground
-
C12 L-GN 24 Backup Lamp Supply Voltage
-
D1 OG 480 Battery Positive Voltage
D2-D5 -- -- Not Used
D8 BK 150 Ground
D9-D10 -- -- Not Used
D11 BK/WH 251 Ground
-
D12 YE 581 TAC Motor Control - 1
-
E1 GY 2561 PTO Supply Voltage
-
E2 -- - Not Used
E3 OG 2440 Battery Positive Voltage
OG 2440 Battery Positive Voltage
E4 D-GN 59 A/C Compressor Clutch Supply Voltage
E5 OG 2740 Battery Positive Voltage
-
E6 OG 2740 Battery Positive Voltage
-
E7 OG 2740 Battery Positive Voltage
E8 BK 150 Ground (w/ABS)
E9 PK 239 Ignition 1 Voltage
E10 PK 1539 Ignition 1 Voltage
-
E11 GY 773 Transmission Range Switch Signal C
E12 YE 581 TAC Motor Control - 1
YE 581 TAC Motor Control - 1
F2 OG 2440 Battery Positive Voltage
OG 2440 Battery Positive Voltage
F3 OG 2640 Battery Positive Voltage
-
F4 BK/WH 771 Transmission Range Switch Signal A
-
F5 D-BU 473 Cooling Fan 2 Relay Control
F6 - - Not Used
-
F7 OG 2740 Battery Positive Voltage
-
F8 BK 150 Ground
F9 PU 1500 Ignition 0 Voltage
PU 1500 Ignition 0 Voltage (w/o ABS)
F10 PK 1539 Ignition 1 Voltage
-
F11 GY 773 Transmission Range Switch Signal C
-
F12 D-GN 335 Cooling Fan 1 Relay Control
Underhood Fuse Block C5

GM890209Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15319799
  • 2-Way F (GN)
Pin Wire Color Circuit Number Function
A RD 702 Battery Positive Voltage
B RD 1002 Battery Positive Voltage
Underhood Fuse Block C6

GM890201Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15319798
  • 2-Way F (BK)
Pin Wire Color Circuit Number Function
A RD 102 Battery Positive Voltage
B RD 502 Battery Positive Voltage
Underhood Fuse Block C7

GM886768Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15319800
  • 2-Way F (BN)
Pin Wire Color Circuit Number Function
A - - Not Used
B RD 302 Battery Positive Voltage (2.2L)
RD 402 Battery Positive Voltage (3.0L)
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