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Home >> Chevrolet >> 2008 >> Optra LT, Automatic >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Wiring Systems And Power Management - Door, Luggage Compartment. Underbody & Electrical Center Component Views, & Component Connector End Views >> Electrical Center Identification Views >> Fuse Block - Underhood X6

Fuse Block - Underhood X6

Fig 1: Fuse Block - Underhood X6 Connector End View
GM1467125Courtesy of GENERAL MOTORS CORP.
Fuse Block - Underhood X6

Pin Wire Circuit Function
1 0.5 PK/D-BU 539 Ignition 1 Voltage
0.5 OG 440 Battery Voltage (1.6L, 2.0L L34, 2.0L Diesel))
2 0.5 PK 739 Ignition 1 Voltage (1.4L/1.8L/2.0L)
1.25 PK 739 Ignition 1 Voltage (1.6L)
3 0.5 GY 120 Fuel Pump Supply Voltage
0.5 GY 120 Fuel Pump Supply Voltage (1.4L/1.8L/2.0L)
4 0.5 D-GN/WH 335 Low Speed Cooling Fan Relay Control
0.5 D-GN 335 Low Speed Cooling Fan Relay Control (Except North America)
5 0.5 D-BU 473 High Speed Cooling Fan Relay Control
0.5 D-BU 473 High Speed Cooling Fan Relay Control (Dual Fans)
6 - - Not Used
7 0.5 D-GN 67 A/C Compressor Clutch Coil Supply Voltage
0.5 PU/WH 67 A/C Compressor Clutch Coil Supply Voltage (1.6L/1.8L)
0.5 PU 67 A/C Compressor Clutch Coil Supply Voltage (2.0L Diesel)
8 0.5 OG 440 Battery Positive Voltage
0.5 OG 440 Battery Positive Voltage(1.6L, 2.0L Diesel)
0.5 PK/D-BU 440 Battery Positive Voltage(1.6L, 2.0L L34)
9 0.5 OG 440 Battery Positive Voltage (Except 1.6L)
10 0.5 L-GN 465 Fuel Pump Relay Control
0.5 D-GN/WH Fuel Pump Relay Control (1.6L)
11 - - Not Used
12 0.85 PK/D-BU 539 Ignition 1 Voltage
0.5 PK/D-BU 539 Ignition 1 Voltage
0.5 PK 539 Ignition 1 Voltage (Sirius D4)
13 0.5 PK/D-BU 539 Ignition 1 Voltage
14 0.5 PK/D-BU 539 Ignition 1 Voltage (2.0L Diesel)
0.5 PK/BK 539 Ignition 1 Voltage (2.0L Diesel)
15 0.5 D-BU 876 Serial Data (JL9)
16 - - Not Used
17 1.25 BK 250 Ground (2.0L L34)
0.5 D-BU/WH 471 Main Relay Control
18 0.5 BN 990 Power Steering Pressure Switch Signal (Except North America)
19 0.5 PK 139 Ignition 1 Voltage (HV 240)
0.5 BK 250 Ground (MR 140)
0.5 PK/D-BU 539 Ignition 1 Voltage (Sirius D4)
20 - - Not Used
Connector Part Information 
  • OEM: MG651080
  • Service: N/A
  • Description: 20-Way F 090-II Series (WH)