Automatic Level Control Suspension Connectors

Automatic Level Control (ALC) Compressor Relay

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12129716 4-Way F Metri-Pack 280 Series (GY)
Pin	Wire Color	Circuit No.	Function
30	RD	742	Battery Positive Voltage
85	BN	541	Ignition 3 Voltage
86	L BU	2248	Real Time Damping Compressor Relay Control
87	L BU	1112	Damping Relay Coil Control

Automatic Level Control (ALC) Air Compressor

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12110751 7-Way F Metri-Pack 280 Series (BK)
Pin	Wire Color	Circuit No.	Function
A	L BU	1112	Damping Relay Coil Control
B	D BU	2249	Exhaust Solenoid Control
C	BK	407	Low Reference
D	TN	2252	Pressure Sensor Signal
E	GY	416	5-Volt Reference
F	OG	2440	Battery Positive Voltage
G	BK	1750	Ground