Automatic Level Control (ALC) Compressor

WARNING: This page is about a different car, the 2007 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Automatic Level Control (ALC) Compressor Connector End View

Courtesy of GENERAL MOTORS CORP.

Automatic Level Control (ALC) Compressor Connector & Terminal Parts Information

Connector Part Information

OEM: 13521459
Service: 15306360
Description: 4-Way F GT 280 Series Sealed 5.8 (BK)

Terminal Part Information

Pins: A, B, C, D
Terminal/Tray: 15304719/19
Core/Insulation Crimp: E/5
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Automatic Level Control (ALC) Compressor Terminal Identification

Pin	Wire Color	Circuit No.	Function
A	WH	320	Automatic Level Control Exhaust Solenoid Control
B	D-GN	322	Automatic Level Control Compressor Motor Supply Voltage
C	RD/WH	3340	Battery Positive Voltage
D	BK	1050	Ground