LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2007 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1920 (Wiring Systems And Power Management - Component Connector End Views - A/C Compressor Through Electronic Power Steering Module X1) >> Component Connector End Views >> Automatic Level Control (ALC) Relay (G69 or Z55)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Automatic Level Control (ALC) Relay (G69 or Z55)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Automatic Level Control (ALC) Relay (G69 or Z55) Connector End View
GM535912Courtesy of GENERAL MOTORS CORP.
Automatic Level Control (ALC) Relay (G69 or Z55)

Pin Wire Circuit Function
30 3 RD 1842 Battery Positive Voltage
85 0.5 PK 739 Ignition Voltage
86 0.5 L-BU/WH 1112 Damping Relay Coil Control
87 3 L-BU 2248 Automatic Level Control Compressor Relay Control
Connector Part Information
  • Harness Type: Chassis
  • OEM Connector: 12129716
  • Service Connector: 15306045
  • Description: 4-Way F Metri-Pack 280 Series, Flexlock (GY)
Terminal Part Information
  • Terminated Lead: Service by Connector Assembly- 15306045
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: Pins 30, 87- 12110853/4
  • Terminal/Tray: Pins 85, 86- 12110847/4
  • Core/Insulation Crimp: Pins 30, 87- Not Available
  • Core/Insulation Crimp: Pins 85, 86- E/5