LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2012 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1930 (Wiring Systems And Power Management - Electrical Center Identification Views & Component Connector End View Index) >> Electrical Center Identification Views >> Fuse Block - Underhood X3
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fuse Block - Underhood X3

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Fuse Block - Underhood X3 Connector End View
GM1665657Courtesy of GENERAL MOTORS CORP.
Fuse Block - Underhood X3

Pin Wire Circuit Function
A1 0.5 D-GN/WH 1335 Right Rear Turn Signal Lamp Supply Voltage (X88 or Z88 or EXP with E52)
0.5 D-GN 19 Right Rear Stop/Turn Lamp Supply Voltage (X88 without E52 or Z75 without EXP)
A2 0.5 YE/BK 1334 Left Rear Turn Signal Lamp Supply Voltage (X88 or Z88 or EXP with E52)
0.5 YE 18 Left Rear Stop/Turn Lamp Supply Voltage (X88 without E52 or Z75 without EXP)
A3 0.5 L-BU 20 Stop Lamp Supply Voltage (X88 or Z88 or EXP with E52)
A4 0.5 L-BU/BK 20 Stop Lamp Supply Voltage (X88 or Z88 or EXP with E52)
A5 0.5 RD/WH 1840 Battery Positive Voltage
A6 - - Not Used
A7 0.5 BN 2509 Left Rear Park Lamps Supply Voltage
A8 0.5 BN 2509 Left Rear Park Lamps Supply Voltage (without E52)
B1 3 RD/BK 2440 Battery Positive Voltage (Z55)
B2 3 RD/WH 2440 Battery Positive Voltage (G69)
B3 2 RD 1640 Battery Positive Voltage (JL4)
B4 0.8 BN 2109 Trailer Park Lamp Supply Voltage (EXP)
1 BN 2109 Trailer Park Lamp Supply Voltage (without EXP)
B5 1 GY 120 Fuel Pump Supply Voltage (LY6)
C1 3 RD 1842 Battery Positive Voltage (G69)
C2 3 RD/BK 442 Battery Positive Voltage
D1 5 RD/BK 1742 Battery Positive Voltage (JH6)
D2 - - Not Used
E1 0.8 YE 1618 Trailer Left Rear Turn/Stop Lamp Supply Voltage
E2 0.8 L-GN 1624 Trailer Backup Lamps Supply Voltage (EXP)
1 L-GN 1624 Trailer Backup Lamps Supply Voltage (except EXP)
E3 0.5 L-GN 24 Backup Lamp Supply Voltage
0.5 L-GN 24 Backup Lamp Supply Voltage (except EXP)
E4 3 RD/WH 24 Backup Lamp Supply Voltage (except LY6)
E5 - - Not Used
F1 0.8 YE 1618 Trailer Left Rear Turn/Stop Lamp Supply Voltage
F2 0.8 D-GN 1619 Trailer Right Rear Turn/Stop Lamp Supply Voltage
F3-F4 - - Not Used
F5 0.5 PK 439 Ignition Voltage (without NQZ)
F6 - - Not Used
F7 0.5 BN 2609 Right Rear Park Lamps Supply Voltage
F8 0.8 GY 5185 Right Trailer Park Lamp (EXP)
Connector Part Information 
  • OEM: 13513342
  • Service: 19115657
  • Description: 30-Way F GT 150 280 Metri-Pack 800 Series (BK)

Terminal Part Information 
  • Pins: A1-A8, B4 (HP2), E2-E3 (HP2), F1, F5, F7, F8
  • Terminal/Tray: 15496302/5
  • Core/Insulation Crimp: Pins A1-A8, E3, F5, F7: E/A
  • Core/Insulation Crimp: Pins B4, E2, F1, F5, F8: 2/A
  • Release Tool/Test Probe: 13515247/J-35616-2A (GY)
  • Pins: B1-B3, E4 (HP2)
  • Terminal/Tray: 13525969/4
  • Core/Insulation Crimp: Pins B1, B2, E4: F/D
  • Core/Insulation Crimp: Pin B3: 4/4
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: B4, B5, E1-E4
  • Terminal/Tray: 13525970/4
  • Core/Insulation Crimp: Pins B4, B5, E1-E3: 2/A
  • Core/Insulation Crimp: Pin E4: E/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: C1-C2, D1
  • Terminal/Tray: 12110127/19
  • Core/Insulation Crimp: F/G
  • Release Tool/Test Probe: 12150860/J-35616-44 (YE)