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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 993 (WIRING SYSTEMS AND POWER MANAGEMENT - ELECTRICAL CENTER IDENTIFICATION VIEWS & COMPONENT CONNECTOR END VIEW INDEX)ELECTRICAL CENTER IDENTIFICATION VIEWSFUSE BLOCK - UNDERHOOD X2
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Fuse Block - Underhood X2

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Fuse Block - Underhood X2
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Fig 1: Fuse Block - Underhood X2 Connector End View
GM1665660Courtesy of GENERAL MOTORS CORP.
Fuse Block - Underhood X2

Pin Wire Circuit Function
A1 0.35 D-GN 335 Low Speed Cooling Fan Relay Control
A2-A5 - - Not Used
B1-B3 - - Not Used
B4 0.5 OG 300 Ignition Voltage (HP2)
B5 0.35 D-BU/WH 473 High Speed Cooling Fan Relay Control
C1-C2 - - Not Used
C3 0.35 D-GN/WH 459 A/C Compressor Clutch Relay Control
C4 - - Not Used
C5 0.5 YE/BK 625 Starter Enable Relay Control
D1-D2 - - Not Used
D3 0.5 RD/WH 440 Battery Positive Voltage
D4 0.8 D-GN 59 A/C Compressor Clutch Supply Voltage
D5 0.5 BN 241 Ignition 3 Voltage (NQH)
E1-E3 - - Not Used
F1 3 PU 6 Starter Solenoid Crank Voltage
G1 - - Not Used
H1 - - Not Used
J1 - - Not Used
K1-K3 - - Not Used
L1 0.5 PK 1839 Ignition Voltage (LY5, LMG, L76 or LC9)
0.5 PK 1839 Ignition Voltage (HP2)
L2 0.5 PK 1539 Ignition Voltage
0.5 PK 1539 Ignition Voltage
L3 0.8 PK/WH 1239 Ignition Voltage
0.8 PK/WH 1239 Ignition Voltage
L4 0.5 PK 539 Ignition Voltage
0.5 PK 539 Ignition Voltage
L5 0.8 PK 1039 Ignition Voltage
M1 0.5 PK 1839 Ignition Voltage
0.5 PK 1839 Ignition Voltage
M2 0.8 PK 1239 Ignition Voltage (HP2)
0.8 PK/WH 1239 Ignition Voltage (except HP2)
M3 0.8 PK 1239 Ignition Voltage
0.8 PK 1239 Ignition Voltage
M4 0.8 PK/BK 1039 Ignition Voltage
0.8 PK/BK 1039 Ignition Voltage
M5 0.8 PK 1039 Ignition Voltage
0.8 PK 1039 Ignition Voltage
N1 0.5 PK 1339 Ignition Voltage (HP2)
0.5 PK/BK 1339 Ignition Voltage (except HP2)
N2 - - Not Used
N3 0.5 RD/WH 1840 Battery Positive Voltage
N4 0.5 PK 2139 Ignition Voltage
0.5 PK 2139 Ignition Voltage (NQH)
N5 2 BK 550 Ground
P1 0.5 PK/BK 1339 Ignition Voltage (HP2)
P2 0.35 YE 5991 Powertrain Relay Coil Control
P3 0.5 L-BU/WH 6311 Brake Switch Signal
0.5 L-BU/WH 6311 Brake Switch Signal
P4 0.5 D-GN/WH 465 Fuel Pump Relay Control - Primary (except HP2)
P5 0.5 PK 439 Ignition Voltage
Connector Part Information 
  • OEM: 13513347
  • Service: 19115659
  • Description: 50-Way F GT 280 Metri-Pack 800 Series (BK)

Terminal Part Information 
  • Pins: A1, B5, C3, C5, D3, N1, P2, P3, P4, P5
  • Terminal/Tray: 33467-0003/23
  • Core/Insulation Crimp: Pins A1, B2, C3, C5, P2, P4: H/H
  • Core/Insulation Crimp: Pins D3, N1, P3, P5: J/J
  • Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
  • Pins: D3 (HP2), D4-D5, L1, L2, L4, L5, M1, M2, N1, N3-N4, P1-P3 (HP2), P5 (HP2)
  • Terminal/Tray: 13525970/4
  • Core/Insulation Crimp: Pins D3-D5, L1, L2, L4, N3-N4: E/A
  • Core/Insulation Crimp: Pins L5, M2: 2/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: F1
  • Terminal/Tray: 12110127/19
  • Core/Insulation Crimp: F/G
  • Release Tool/Test Probe: 12150860/J-35616-44 (YE)
  • Pins: L3, M3, M4, M5, N5
  • Terminal/Tray: 13525969/4
  • Core/Insulation Crimp: Pins L3, M3, M4, M5 - See Terminal Repair Kit
  • Core/Insulation Crimp: Pins N5 - 4/4
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
RENDER: 1.0x

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.