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Home >> Chevrolet >> 2011 >> Aveo LS, 4D Hatchback, Standard >> Repair and Diagnosis >> Electrical >> Component Locations >> Component Locations - Electrical Center Identification Views >> Electrical Center Identification Views

Electrical Center Identification Views

Fig 1: Fuse Block - Underhood Label (with WHB)
GM2195013Courtesy of GENERAL MOTORS CORP.
FUSE BLOCK - UNDERHOOD FUSE AND RELAY IDENTIFICATION LEGEND (WITH WHB)

No. Fuse And Relay Description Rating Circuits
Ef1 FAN HI Fuse 30A FAN HI Relay
Ef2 ABS-1 Fuse 40A Electronic Brake Control Module (EBCM)
Ef3 ABS-2 Fuse 50A Electronic Brake Control Module (EBCM)
Ef4 SJB BATT Fuse 50A I/P Fuse Block
Ef5 ACC/IG1 Fuse 30A IGN1 Relay
Ef6 IG2/ST Fuse 30A IGN1 Relay, STARTER Relay
Ef7 ACC/RAP Fuse 30A I/P Fuse Block
Ef8 P/WINDOW-2 Fuse 20A Power Window Switch
Ef9 P/WINDOW-1 Fuse 20A Power Window Switch
Ef10 FAN LOW Fuse 20A FAN LOW Relay
Ef11 A/CON Fuse 10A A/CON Relay
Ef12 PKLP LH Fuse 10A Park Lamp - Left, Tail Lamp - Left, Side Marker Lamp - Left, License Lamp
Ef13 PKLP RH Fuse 10A Park Lamp - Right, Tail Lamp - Right, Side Marker Lamp - Right
Ef14 ECU Fuse 10A ECM, TCM
Ef15 FRT FOG Fuse 15A FRONT FOG Relay
Ef16 F/PUMP Fuse 15A F/PUMP Relay
Ef17 HAZARD Fuse 15A Hazard Switch, Hood Ajar Switch
Ef18 HDLP HI LH Fuse 10A Headlamp High Beam - Left, Instrument Panel Cluster (IPC)
Ef19 HDLP HI RH Fuse 10A Headlamp High Beam - Right
Ef20 IPC Fuse 20A Instrument Panel Cluster (IPC)
Ef21 HDLP LO LH Fuse 10A Headlamp Low Beam - Left, Instrument Panel Cluster (IPC)
Ef22 HDLP LO RH Fuse 10A Headlamp Low Beam - Left
Ef23 EMS-1 Fuse 15A ECM, Ignition Control Module, Injectors
Ef24 DLIS Fuse 2A Ignition Switch
Ef25 EMS-2 Fuse 10A ECM, Mass Air Flow (MAF)/Intake Air temperature (IAT) Sensor, Evaporative Emission (EVAP) Canister Purge Solenoid Valve, Heated Oxygen Sensors
- A/CON Relay - A/C Compressor Clutch
- ACC/RAP Relay - ACC/RAP Fuse, P/WINDOW-1 Fuse, P/WINDOW-2 Fuse
- ENGINE MAIN Relay - EMS-1 Fuse, EMS-2 Fuse
- FAN HI Relay - Cooling Fan
- FAN LOW Relay - Cooling Fan Resistor
- FRONT FOG Relay - Front Fog Lamps, Instrument Panel Cluster (IPC)
- FUEL/PUMP Relay - Fuel Pump and Sender Assembly
- HDLP HIGH Relay - HDLP HI LH Fuse, HDLP HI RH Fuse
- HDLP LOW Relay - HDLP LO LH Fuse, HDLP LO RH Fuse
- IGN-2 Relay - Fuse Block - I/P, Blower Motor Switch
- PARK LAMP Relay - PKLP LH Fuse, PKLP RH Fuse
- STARTER Relay - Starter Motor
Fig 2: Fuse Block - Underhood Label (without WHB)
GM2037746Courtesy of GENERAL MOTORS CORP.
FUSE BLOCK - UNDERHOOD FUSE AND RELAY IDENTIFICATION LEGEND (WITHOUT WHB)

No. Fuse And Relay Description Rating Circuits
Ef1 BATT Fuse 50A Fuse Block - I/P F7, F10, F11, F12, F13, F14, F15, F16, F18, F21 Fuses
Ef2 P/WINDOW1 Fuse 30A Window Switch - Driver
Ef3 IGN2/ST Fuse 30A Ignition Switch
Ef4 ACC/IGN1 Fuse 30A Ignition Switch
Ef5 ABS Fuse 50A Electronic Brake Control Module (EBCM)
Ef6 FAN HI Fuse 30A FAN HI Relay
Ef7 P/WINDOW2 Fuse 10A Window Switch - Driver
Ef8 PK/LP LH Fuse 10A License Lamp, Position Lamp/Headlamp Leveling Actuator - Left, Tail Lamp - Left
Ef9 PK/LP RH Fuse 10A Fuse Block - I/P PARK Relay (T61), JX202, Position Lamp/Headlamp Leveling Actuator - Right, Tail Lamp - Right
Ef10 Empty - Not Used
Ef11 FUEL PUMP Fuse 15A FUEL PUMP Relay
Ef12 ECU Fuse 10A Engine Control Module (ECM), Transmission Control Module (TCM) (MLQ)
Ef13 EMS1 Fuse 15A A/C Relay, Engine Control Module (ECM), FAN HI Relay, FAN LOW Relay, Fuel Injector 1, Fuel Injector 2, Fuel Injector 3, Fuel Injector 4, Ignition Coil Module
Ef14 EMS2 Fuse 15A Camshaft Position (CMP) Sensor, Evaporative Emission (EVAP) Canister Purge Solenoid Valve, Exhaust Gas Recirculation (EGR) Valve, Heated Oxygen Sensor (HO2S) 1, Heated Oxygen Sensor (HO2S) 2, Port Deactivation (PDA) Solenoid (LMU)
Ef15 HAZARD Fuse 15A Hazard Switch and Hood Ajar Switch
Ef16 Empty - Not Used
Ef17 SPARE Fuse 20A Not Used
Ef18 SPARE Fuse 15A Not Used
Ef19 SPARE Fuse 10A Not Used
Ef20 H/L LOW RH Fuse 10A Headlamp - Right
Ef21 H/L LOW LH Fuse 10A Headlamp - Left, and Headlamp Leveling Switch
Ef22 FRT FOG Fuse 15A FRT FOG Relay
Ef23 H/L HI Fuse 15A H/L HI Relay
Ef24 FAN LOW Fuse 20A FAN LOW Relay
Ef25 A/C COMP Fuse 10A A/C Relay
- A/C Relay - A/C Compressor Clutch, and Engine Control Module (ECM)
- FAN HI Relay - Cooling Fan, Cooling Fan Resistor, and Engine Control Module (ECM)
- FAN LOW Relay - Cooling Fan Resistor, and Engine Control Module (ECM)
- FRT FOG Relay - Fog Lamp - Left Front, Fog Lamp - Right Front, Fuse Block - I/P, and Instrument Panel Cluster (IPC)
- FUEL PUMP Relay - Engine Control Module (ECM), and Fuel Pump and Sender Assembly
- H/L HI Relay - Headlamp - Left, Headlamp - Right, Headlamp Switch, Instrument Panel Cluster (IPC)
- H/L LOW Relay - Fuse Block - I/P, Fuse Block - Underhood EF20 and EF21 Fuses
- MAIN Relay - Engine Control Module (ECM), Fuse Block - Underhood EF13 and EF14 Fuses
- PARK LAMP Relay - Fuse Block - I/P, Fuse Block - Underhood EF8 and EF9 Fuses
- P/WINDOW Relay - Fuse Block - I/P, Fuse Block - Underhood EF2 and EF7 Fuses
Fig 3: Fuse Block - Underhood Bottom View (with WHB)
GM2184298Courtesy of GENERAL MOTORS CORP.
Fig 4: Fuse Block - Underhood Bottom View (without WHB)
GM2177419Courtesy of GENERAL MOTORS CORP.
Fig 5: Fuse Block - Underhood X1 (LXV)
GM2152678Courtesy of GENERAL MOTORS CORP.
Fuse Block - Underhood X1 (LXV)

Pin Wire Circuit Function
1 PU/WH 67 A/C Compressor Clutch Coil Supply Voltage
2 OG/BK 1732 5-Volt Reference
3 OG/BK 1732 5-Volt Reference
4 - - Not Used
5 RD/WH 240 Battery Positive Voltage
6 - - Not Used
7 OG/BK 1732 5-Volt Reference
OG/BK 1732 5-Volt Reference
8 - - Not Used
9 OG/BK 812 AC Compressor Relay
10 - - Not Used
11 PK 539 Ignition 1 Voltage
12 - - Not Used
13 BN 415 Engine Coolant Temperature Sensor 2 Signal
14 - - Not Used
15 WH 1977 Rear Fog Lamp Relay Control
16 OG/BK 441 Main Relay Control
17-19 - - Not Used
20 PK 539 Ignition 1 Voltage
21 D-BU 473 High Speed Cooling Fan Relay Control
22 OG 1733 5-Volt Reference
23 OG 1733 5-Volt Reference
24 OG 1733 5-Volt Reference
25 - - Not Used
26 RD/WH 440 Battery Positive Voltage
27-28 - - Not Used
29 L-GN 497 Fuel Pump Relay Control
30 D-GN 355 Driver Door Lock Relay Lock Control
31 BN 413 Heated Oxygen Sensor Low Signal
32 PU 1670 Heated Oxygen Sensor High Signal Bank 2 Sensor (2)
33 OG 1733 5-Volt Reference
34 OG 1733 5-Volt Reference
35 - - Not Used
36 YE 5 Crank Voltage
37 BN 1671 Heated Oxygen Sensor Low Signal Bank 2 Sensor (2)
38 BN 323 Starter Relay Controls
39-40 - - Not Used
Connector Part Information 
  • OEM: 0-936352-1
  • Service: N/A
  • Description: 40-Way F 090 SPT Hybrid Series (GY)
Fig 6: Fuse Block - Underhood X1 (LDT) Connector End View
GM1661096Courtesy of GENERAL MOTORS CORP.
Fuse Block - Underhood X1 (LDT)

Pin Wire Circuit Function
1 BN 415 Engine Coolant Temperature Sensor 2 Signal
2 OG 1733 5-Volt Reference
3 RD/WH 440 Battery Positive Voltage
4 L-BU 1031 Ignition Timing Stepper Motor Coil 1 High
L-BU 1031 Ignition Timing Stepper Motor Coil 1 High
5 OG 1733 5-Volt Reference
OG 1733 5-Volt Reference
6 L-BU 830 Wheel Speed Sensor Signal Left Front
7 OG/BK 1732 5-Volt Reference
8 BN 413 Heated Oxygen Sensor High Signal
9 WH 1977 Rear Fog Lamp Relay Control
10 - - Not Used
11 BK 51 Ground
12 OG 1733 5-Volt Reference
OG 1733 5-Volt Reference
13 L-BU 1031 5-Volt Reference
14 YE 873 Left Front Wheel Speed Sensor Low Reference
15 PU/WH 67 A/C Compressor Clutch Coil Supply Voltage
16 BN 1671 Heated Oxygen Sensor Low Signal Bank 2 Sensor (2)
17 L-BU 834 Vehicle Speed Signal
18 OG 1733 5-Volt Reference
19 BN 808 Low Reference
20 OG/BK 1732 5-Volt Reference
OG/BK 1732 5-Volt Reference
21 OG/BK 1732 5-Volt Reference
OG/BK 1732 5-Volt Reference
22 OG/BK 812 5-Volt Reference
23 L-GN 497 Fuel Pump Relay Control
24 - - Not Used
25 BN 808 Low Reference
26 BN 808 Low Reference
BN 808 Low Reference
27 PK 539 Ignition 1 Voltage
28 PK 539 Ignition 1 Voltage
29 PK 539 Ignition 1 Voltage
30 OG/BK 441 Main Relay Control
31 D-BU 473 High Speed Cooling Fan Relay Control
32 D-GN 355 Low Speed Cooling Fan Relay Control
Connector Part Information 
  • OEM: 1-936321-2
  • Service: N/A
  • Description: 32-Way F 090 SPT Hybrid Series (BK)
Fig 7: Fuse Block - Underhood X1 (without LDT/LXV) Connector End View
GM1661096Courtesy of GENERAL MOTORS CORP.
Fuse Block - Underhood X1 (without LDT/LXV)

Pin Wire Circuit Function
1 D-BU 732 A/C Refrigerant High Temperature Sensor Signal (LMU)
2 OG 1733 5-Volt Reference (LMU)
3 RD/WH 440 Battery Positive Voltage
RD/WH 440 Battery Positive Voltage (L95/LXT/LV8)
4 GY 1031 Ignition Timing Stepper Motor Coil 1 High (LMU with NQU)
L-BU 1031 Ignition Timing Stepper Motor Coil 1 High (L95/LXT)
L-BU 1937 Low Reference (LV8)
L-BU 1937 Low Reference (L95/LV8/LXT with C60)
5 OG 1733 5-Volt Reference (LMU)
OG 1733 5-Volt Reference (LMU)
PK 539 Ignition 1 Voltage (L95/LV8/LXT)
PK 539 Ignition 1 Voltage (L95/LV8/LXT)
6 BN 834 Vehicle Speed Signal (L95/LXT)
L-BU 830 Wheel Speed Sensor Signal Left Front (LMU)
7 PK/BK 1739 Ignition 1 Voltage (L95/LXT)
PK/BK 1739 Ignition 1 Voltage (L95/LXT)
OG/BK 1732 5-Volt Reference (LMU)
OG/BK 1732 5-Volt Reference (LMU)
8 BN 413 Heated Oxygen Sensor High Signal (L95/LXT)
9 PU 1670 Heated Oxygen Sensor Low Signal Bank 2 Sensor (2) (L95/LXT)
10 L-BU 733 Air Temperature Door Position Signal (LMU)
11 PK 539 Ignition 1 Voltage (L95/LXT with B02/LMU/LV8)
BK 50 Ground (L95/LXT without B02)
12 PK 539 Ignition 1 Voltage (L95/LV8/LXT)
PK 539 Ignition 1 Voltage (L95/LV8/LXT)
OG 1733 5-Volt Reference (LMU)
OG 1733 5-Volt Reference (LMU)
13 GY 1031 5-Volt Reference (LMU)
GY 1031 5-Volt Reference (LMU)
L-BU 1031 5-Volt Reference (L95/1LXT without B02)
L-BU 1031 5-Volt Reference (L95/LXT without B02)
L-BU 1937 Low Reference (L95/LXT with B02/LV8)
L-BU 1937 Low Reference (L95/LXT with B02/LV8)
14 YE 873 Left Front Wheel Speed Sensor Low Reference (LMU)
15 PU/WH 67 A/C Compressor Clutch Coil Supply Voltage
16 BN 1671 Heated Oxygen Sensor Low Signal Bank 2 Sensor (2)
17 - - Not Used
18 OG 1733 5-Volt Reference (LMU)
PK 539 Battery Positive Voltage (L95/LV8/LXT)
19 BN 808 Low Reference
BN 808 Low Reference (L95/LV8/LXT)
20 OG/BK 1732 5-Volt Reference (LMU)
OG/BK 1732 5-Volt Reference (LMU)
PK 1739 Ignition 1 Voltage (LV8)
PK/BK 1739 Ignition 1 Voltage (L95/LXT)
PK/BK 1739 Ignition 1 Voltage (L95/LXT)
21 OG/BK 1732 5-Volt Reference (LMU)
OG/BK 1732 5-Volt Reference (LMU)
PK/BK 1739 Ignition 1 Voltage (L95/LXT)
PK 1739 Ignition 1 Voltage (LV8)
22 OG/BK 812 5-Volt Reference (LMU)
23 L-GN 497 Fuel Pump Relay Control
24 - - Not Used
25 BN 808 Low Reference (L95/LV8/LXT)
BN 808 Low Reference (L95/LV8/LXT)
26 BN 808 Low Reference
BN 808 Low Reference
27 PK 539 Ignition 1 Voltage
PK 539 Ignition 1 Voltage (L95/LXT)
28 PK 539 Ignition 1 Voltage
29 PK 539 Ignition 1 Voltage (LMU/LV8)
PK 539 Ignition 1 Voltage
30 OG/BK 441 Main Relay Control (LMU)
31 D-BU 473 High Speed Cooling Fan Relay Control
32 D-GN 335 Low Speed Cooling Fan Relay Control
Connector Part Information 
  • OEM: 1-936321-2
  • Service: N/A
  • Description: 32-Way F 090 SPT Hybrid Series (BK)
Fig 8: Fuse Block - Underhood X2 (with WHB) Connector End View
GM1661096Courtesy of GENERAL MOTORS CORP.
Fuse Block - Underhood X2 (with WHB)

Pin Wire Circuit Function
1 PK 539 Ignition 1 Voltage
2 PK 539 Ignition 1 Voltage (JM4)
3 RD/WH 340 Ignition 1 Voltage
4 L-GN/BK 580 Battery Positive Voltage
5 L-GN/BK 580 Battery Positive Voltage
6 RD/BK 142 Battery Positive Voltage
7 RD/BK 242 Battery Positive Voltage
8 L-GN/BK 311 Left Headlamp Low Beam Supply Voltage
9 RD/WH 440 Battery Positive Voltage
10 RD/WH 440 Battery Positive Voltage (UA5)
11 PU 638 Power Window Enable Relay Control
12 PK 539 Ignition 1 Voltage
13 PK 539 Ignition 1 Voltage (JM4)
14 L-GN/BK 311 Left Headlamp Low Beam Supply Voltage
15 BN/WH 312 Left Headlamp High Beam Supply Voltage
16 YE 712 Right Headlamp High Beam Supply Voltage
17-18 - - Not Used
19 BN 1671 Heated Oxygen Sensor Low Signal Bank 2 Sensor (2)
20 D-GN/WH 711 Right Headlamp Low Beam Supply Voltage
21 L-BU 1346 Headlamp Relay Control
22 YE 712 Right Headlamp High Beam Supply Voltage
23-24 - - Not Used
25 D-BU 7002 Run Relay Out
26 RD/BK 42 Battery Positive Voltage
27 L-GN/BK 580 Supply Voltage
28-29 - - Not Used
30 WH 352 Headlamp Relay Coil Supply Voltage
31 PU 1670 Heated Oxygen Sensor High Signal Bank 2 Sensor (2)
32 BN 413 Heated Oxygen Sensor Low Signal
Connector Part Information 
  • OEM: 1-936321-2
  • Service: N/A
  • Description: 32-Way F 090 SPT Hybrid Series (BK)
Fig 9: Fuse Block - Underhood X2 (without WHB) Connector End View
GM1661096Courtesy of GENERAL MOTORS CORP.
Fuse Block - Underhood X2 (without WHB)

Pin Wire Circuit Function
1 - - Not Used
2 L-BU 14 Left Turn Signal Lamp Supply Voltage
3 - - Not Used
4 RD/BK 142 Battery Positive Voltage
5 - - Not Used
6 PU 709 Left Park Lamp Supply Voltage
7 RD/BK 242 Battery Positive Voltage
8 - - Not Used
9 BN/WH 309 Right Park Lamp Supply Voltage
10 BN 415 Engine Coolant Temperature Sensor 2 Signal
D-BU 732 Evaporative Temperature Sensor Low Reference
11 L-BU 14 Left Turn Signal Lamp Supply Voltage
12 L-BU 14 Left Turn Signal Lamp Supply Voltage
13 - - Not Used
14 PU 709 Left Park Lamp Supply Voltage
15 BN/WH 309 Right Park Lamp Supply Voltage
16 PU 638 Power Window Enable Relay Control
17 RD/WH 440 Battery Positive Voltage
18 RD/WH 440 Battery Positive Voltage (UA5)
19-20 - - Not Used
21 BN/WH 309 Right Park Lamp Supply Voltage
22 RD/WH 440 Battery Positive Voltage
23 D-GN/WH 1317 Fog Lamp Relay Control
24 YE 1769 Fog Lamp Relay Common
25 YE 1769 Fog Lamp Relay Common (T96)
26 RD/BK 42 Battery Positive Voltage
27 WH 1080 Park Lamp Relay Control
28 L-GN/BK 580 Power Window Relay Control
29 BN 1723 ABS Solenoid Supply Voltage Rear
30 L-GN/BK 580 Power Window Relay Control
31 PK 539 Ignition 1 Voltage
32 L-BU 834 Vehicle Speed Signal (JM4 with LDT)
Connector Part Information 
  • OEM: 2-936321-3
  • Service: N/A
  • Description: 32-Way F 090 SPT Hybrid Series (GY)
Fig 10: Fuse Block - Underhood X3 (with WHB) Connector End View
GM1661096Courtesy of GENERAL MOTORS CORP.
Fuse Block - Underhood X3 (with WHB)

Pin Wire Circuit Function
1 - - Not Used
2 BN 415 Engine Coolant Temperature Sensor 2 Signal
3 WH 1977 Rear Fog Lamp Relay Control (T9E)
4 - - Not Used
5 BN 1723 ABS Solenoid Supply Voltage Rear (JM4)
6 BK 50 Ground
7 BK 50 Ground
BK 50 Ground (T84)
8 BK 50 Ground
9 BK 50 Ground
10 BK 50 Ground
11 PK/BK 1739 Ignition 1 Voltage
12 - - Not Used
13 D-BU 15 Right Turn Signal Lamp Supply Voltage
14 YE 1769 Fog Lamp Relay Common (T96)
15 YE 1769 Fog Lamp Relay Common (T96)
YE 1769 Fog Lamp Relay Common (T96)
16 D-GN/WH 1317 Fog Lamp Relay Control (T96)
17 - - Not Used
18 D-BU 15 Right Turn Signal Lamp Supply Voltage
19 D-BU 15 Right Turn Signal Lamp Supply Voltage
20 BN/WH 309 Right Park Lamp Supply Voltage
21 BN/WH 309 Right Park Lamp Supply Voltage
BN/WH 309 Right Park Lamp Supply Voltage
22 PU 709 Left Park Lamp Supply Voltage
23 - - Not Used
24 L-BU 14 Left Turn Signal Lamp Supply Voltage
25 L-BU 14 Left Turn Signal Lamp Supply Voltage
26 L-BU 14 Left Turn Signal Lamp Supply Voltage
27 GY 532 Cooling Fan Motor Supply Voltage
28 L-BU 409 Cooling Fan Resistor Supply Voltage
29 RD/WH 440 Battery Positive Voltage
30 WH 1080 Park Lamp Relay Control
31 BN/WH 309 Right Park Lamp Supply Voltage (North America)
32 PU 709 Left Park Lamp Supply Voltage
PU 709 Left Park Lamp Supply Voltage
Connector Part Information 
  • OEM: 3-936321-4
  • Service: N/A
  • Description: 32-Way F 090 SPT Hybrid Series (BN)
Fig 11: Fuse Block - Underhood X3 (without WHB) Connector End View
GM1661096Courtesy of GENERAL MOTORS CORP.
Fuse Block - Underhood X3 (without WHB)

Pin Wire Circuit Function
1 - - Not Used
2 PK 539 Ignition 1 Voltage
3 PK 539 Ignition 1 Voltage
4 L-GN/BK 311 Left Headlamp Low Beam Supply Voltage
5 L-GN/BK 311 Left Headlamp Low Beam Supply Voltage
6 BN/WH 312 Left Headlamp High Beam Supply Voltage
7 YE 712 Right Headlamp High Beam Supply Voltage
YE 712 Right Headlamp High Beam Supply Voltage
8 PK/BK 1739 Ignition 1 Voltage
PK/BK 1739 Ignition 1 Voltage
9 BN 1671 Heated Oxygen Sensor Low Signal Bank 2 Sensor (2)
10 L-BU 733 Air Temperature Door Position Signal
11 PK 539 Ignition 1 Voltage
12 PK 539 Ignition 1 Voltage
13 L-BU 1346 Headlamp Relay Control
14 L-BU 830 Wheel Speed Sensor Signal Left Front
L-BU 834 Vehicle Speed Signal (JM4 without LDT)
15 - - Not Used
16 WH 1977 Rear Fog Lamp Relay Control (T9E)
PU 1670 Heated Oxygen Sensor High Signal Bank 2 Sensor (2) (NT3)
17 BK 50 Ground
BK 50 Ground
18 BK 50 Ground
BK 50 Ground
19 BK 50 Ground
20 - - Not Used
21 YE 873 Left Front Wheel Speed Sensor Low Reference
22 BN 413 Heated Oxygen Sensor Low Signal
23 BK 50 Ground
24 BK 50 Ground
BK 50 Ground
25 WH 352 Headlamp Relay Coil Supply Voltage
26 D-GN/WH 711 Right Headlamp Low Beam Supply Voltage
27 GY 532 Cooling Fan Motor Supply Voltage (2)
28 L-BU 409 Cooling Fan Motor Supply Voltage (1)
29 OG/BK 812 A/C Compressor Relay
30 L-BU 15 Right Turn Signal Lamp Supply Voltage
31 D-BU 15 Right Turn Signal Lamp Supply Voltage
32 D-BU 15 Right Turn Signal Lamp Supply Voltage
D-BU 15 Right Turn Signal Lamp Supply Voltage
Connector Part Information 
  • OEM: 3-936321-4
  • Service: N/A
  • Description: 32-Way F 090 SPT Hybrid Series (BN)
Fig 12: Fuse Block - Underhood X4 (JM4)
GM1967359Courtesy of GENERAL MOTORS CORP.
Fuse Block - Underhood X4 (JM4)

Pin Wire Circuit Function
1 RD 40 Battery Positive Voltage
2 RD 40 Battery Positive Voltage
Fuse Block - Underhood X5

Pin Wire Circuit Function
+ RD 2 Battery Positive Voltage
Connector Part Information 
  • OEM: MG610557
  • Service: N/A
  • Description: 2-Way F 375 Series (NA)
Terminal Part Information 
  • Harness: Battery Cable
  • Terminal: AK 849619
  • Core/Insulation Crimp: N/A
  • Description: Ring Terminal
Fig 13: Fuse Block - I/P Label
GM2186982Courtesy of GENERAL MOTORS CORP.
FUSE BLOCK - I/P FUSE IDENTIFICATION LEGEND

No. Fuse Rating Description
F1 SDM Fuse 10A Inflatable Restraint Sensing and Diagnostic Module (SDM)
F2 WIPER Fuse 25A Windshield Wiper/Washer Switch, Windshield Wiper Motor
F3 CLUSTER Fuse 10A Clock, Instrument Panel Cluster (IPC), Remote Control Door Lock Receiver (RCDLR), Stop Lamp Switch
F4 T/SIG Fuse 10A Hazard Switch
F5 EMS2 Fuse 10A Fuse Block - Underhood, Heated Oxygen Sensor (HO2S) 2, Tank Shut off Valve, Transmission Control Module (TCM) (MLQ), Vehicle Speed Sensor (VSS) (MFM/MLM)
F6 EMS1 Fuse 15A Fuse Block - Underhood, Immobilizer
F7 STOP LAMP Fuse 15A Stop Lamp Switch
F8 CIGAR Fuse 15A Cigar Lighter (DT4)
F9 AUDIO Fuse 10A Clock, I/P Compartment Lamp Switch, Radio
F10 OBD Fuse 10A Data Link Connector (DLC), Immobilizer
F11 RR DEFOG Fuse 25A Rear Defogger (C49)
F12 CLUSTER/ROOM LAMP Fuse 10A Dome Lamp, I/P Compartment Lamp Switch, Instrument Panel Cluster (IPC), Rear Compartment Lamp
F13 SOKET Fuse 15A Auxiliary Power Outlet (KC5)
F14 DOOR LOCK Fuse 15A DOOR LOCK/UNLOCK Relay (AU3)
F15 NA DRL Fuse 10A DRL Circuit
F16 SUN ROOF Fuse 20A Sunroof Control Module (CF5)
F17 B/UP LAMP Fuse 10A Backup Lamp Switch, Park/Neutral Position (PNP) Switch
F18 HORN Fuse 15A HORN Relay
F19 MIRROR/SUNROOF Fuse 10A Outside Rearview Mirror Switch, HVAC Control Module, Dome Lamp
F20 DEFOG MIRROR Fuse 10A HVAC Control Module, Outside Rearview Mirror - Driver, Outside Rearview Mirror - Passenger
F21 AUDIO/RKE Fuse 15A Clock, Fuse Block - I/P, HVAC Control Module, Ignition Key Alarm Switch, Key Illumination, Outside Rearview Mirror - Driver, Outside Rearview Mirror - Passenger, Radio, Remote Control Door Lock Receiver (RCDLR)
Fig 14: Fuse Block - I/P (Bottom View)
GM2177424Courtesy of GENERAL MOTORS CORP.
Fig 15: Fuse Block - I/P X1
GM1501860Courtesy of GENERAL MOTORS CORP.
Fuse Block - I/P X1

Pin Wire Circuit Function
1 BN 641 Ignition 2 Voltage (DL6)
BN 641 Ignition 2 Voltage (C37)
2 PK 239 Ignition 1 Voltage
3-4 - - Not Used
5 D-GN/RD 91 Windshield Wiper Motor Relay Coil Supply Voltage
6 - - Not Used
7 L-BU 74 Park Lamp Switch Signal
L-BU 74 Park Lamp Switch Signal (UJ9)
8 OG 267 Mirror Heater Element Voltage (C49)
9 BN/WH 238 Driver Seat Belt Switch Signal (without AJ3)
10 RD/WH 540 Battery Positive Voltage
RD/WH 540 Battery Positive Voltage
11 D-GN/WH 1317 Fog Lamp Relay Control (T96)
12 L-BU 20 Stop Lamp Supply Voltage (WHB with MLQ)
13 L-GN 1076 Ignition Key Cylinder Solenoid Lock Inhibit (WHB with MLQ)
14 L-GN 80 Key In Ignition Switch Signal
15 OG 122 Rear Fog Lamp Supply Voltage (T9E)
16 - - Not Used
17 BN 641 Ignition 3 Voltage (DL7)
18 BN/WH 33 Brake Warning Indicator Control
19 L-BU 292 Rear Defog Switch Signal (C49)
20 WH 629 High Beam Indicator Supply Voltage (WHB)
21 D-GN/WH 900 Key Illumination Low Reference (TNK without WHB)
22 RD/WH 540 Battery Positive Voltage (UY4)
RD/WH 540 Battery Positive Voltage (UY4)
23 RD/WH 540 Battery Positive Voltage
RD/WH 540 Battery Positive Voltage
24 - - Not Used
25 YE 112 Windshield Wiper Switch Low/Pulse Signal
26 WH 193 Rear Defogger Relay Control (C49)
27 D-GN 29 Horn Control (UJ9)
D-GN 29 Horn Control (UA5)
28 - - Not Used
29 RD/BK 242 Battery Positive Voltage
30 - - Not Used
31 L-BU 1346 Headlamp Relay Control (WHB)
32 YE 1977 Rear Fog Lamp Relay Control (T9E)
BN 1075 Ignition Key Cylinder Solenoid Lock Enable (WHB with MLQ)
33 RD/WH 540 Battery Positive Voltage (UA5)
RD/WH 540 Battery Positive Voltage (without WHB)
34 BN 31 Oil Pressure Indicator Control (T9E)
35 - - Not Used
36 OG 300 Ignition 3 Voltage
37 L-GN 1845 Chime Control (AJ3)
38 BN 841 Ignition 2 Voltage
39 D-GN 29 Horn Control (AJ3)
40 RD/WH 240 Battery Positive Voltage
41 RD/WH 240 Battery Positive Voltage
42-44 - - Not Used
45 RD/WH 1340 Battery Positive Voltage
RD/WH 1340 Battery Positive Voltage (AJ3 without WHB)
46 RD/WH 1340 Battery Voltage - Folding Mirror (DL7)
47 YE 143 Accessory Voltage
48-49 - - Not Used
50 WH 156 Courtesy Lamp Output (UA5)
51 WH 352 Headlamp Relay Coil Supply Voltage
52 - - Not Used
53 GY/D-GN 355 Driver Door Lock Relay Lock Control (UA5)
54 YE 356 Driver Door Lock Relay Unlock Control (UA5)
55 PU/WH 822 VSS Low Signal (MLM)
56 PK 139 Ignition 1 Voltage
57-59 - - Not Used
60 YE 43 Accessory Voltage
61 YE 43 Accessory Voltage
62 PK 139 Ignition 1 Voltage (AJ3)
63 - - Not Used
64 PK 639 Ignition 1 Voltage (WHB)
PK 639 Ignition 1 Voltage
65 PK 639 Ignition 1 Voltage
66 RD/WH 340 Battery Positive Voltage
67 - - Not Used
68 PK 239 Ignition 1 Voltage (MLQ/WHB)
PK 239 Ignition 1 Voltage (without WHB)
69 PK 239 Ignition 1 Voltage (UV8/UJ9)
PK 1739 Ignition 1 Voltage (WHB with AJ3)
70 PK 239 Ignition 1 Voltage (UA5)
71 BK/WH 1352 Headlamp Control
72 PK 339 Ignition 1 Voltage
73 PK 3 Ignition Switch Output - Ignition 1
74 BN 4 Accessory Voltage (without WHB)
L-GN/BK 580 Battery Positive Voltage (WHB)
75 WH 156 Courtesy Lamp Switch Signal
76 - - Not Used
Connector Part Information 
  • OEM: 936195-1
  • Service: N/A
  • Description: 76-Way F 090/250 Hybrid Series (BK)
Fig 16: Fuse Block - I/P X2
GM1883718Courtesy of GENERAL MOTORS CORP.
Fuse Block - I/P X2

Pin Wire Circuit Function
1 - - Not Used
2 GY 295 Door Lock Actuator Lock Control (AU3)
3 WH 194 Power Door Lock Relay Feed - Unlock Coil
L-BU 194 Power Door Lock Relay Feed - Unlock Coil (Notchback with UA5 without WHB)
4 BK 450 Ground
5 BN/WH 33 Brake Warning Indicator Lamp Output (LHD)
6 WH 156 Courtesy Lamp Switch Signal
7 - - Not Used
8 RD/WH 1340 Battery Positive Voltage
9 - - Not Used
10 BN 294 Door Lock Actuator Unlock Control
11 L-BU 195 Door Lock Control
12 PU 156 Courtesy Lamp Switch Signal
PU 156 Courtesy Lamp Switch Signal (WHB)
13 - - Not Used
14 RD 1093 Rear Defog Element Supply Voltage (C49)
15 RD/WH 640 Battery Positive Voltage
16 YE 143 Accessory Voltage
17 OG 122 Rear Fog Lamp Supply Voltage (T9E)
18 GY 157 Interior Lamp Control
19 - - Not Used
20 OG 267 Mirror Heater Element Voltage (Z5U)
Connector Part Information 
  • OEM: 368457-1
  • Service: N/A
  • Description: 20-Way F, (WH)
Fig 17: Fuse Block - I/P X3
GM1883719Courtesy of GENERAL MOTORS CORP.
Fuse Block - I/P X3

Pin Wire Circuit Function
1 - - Not Used
2 BN/WH 33 Brake Warning Indicator Control
BN/WH 33 Brake Warning Indicator Control (UY4)
3 PK 1739 Ignition 1 Voltage (without WHB)
4 - - Not Used
5 PK 94 Windshield Washer Switch Signal
6 WH 1080 Park Lamp Relay Control
7 PU 638 Power Window Enable Relay Control (without WHB)
8 BN 641 Ignition 3 Voltage
9 PK 539 Ignition 1 Voltage
PK 239 Ignition 1 Voltage (BAH without WHB)
10 PK 239 Ignition 1 Voltage (MLQ)
RD/WH 1340 Battery Positive Voltage (without WHB)
11 L-GN/BK 311 Left Headlamp Low Beam Supply Voltage (WHB)
12 BN/WH 309 Illumination Supply Voltage
13 L-BU 97 Windshield Wiper Switch Mist/Off/Low Signal
14 BN 96 Windshield Wiper Switch Pulse Delay Signal (CD4)
15 WH 352 Headlamp Relay Coil Supply Voltage
16 D-GN/WH 1317 Fog Lamp Relay Control (T96)
17 BN/WH 309 Right Park Lamp Supply Voltage
18 BN 28 Horn Relay Control
Connector Part Information 
  • OEM: 368497-1
  • Service: N/A
  • Description: 18-Way F, (WH)
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