Cooling System Connector End Views

WARNING: This page is about a different car, the 2003 Chevrolet SSR. However, it is still accessible from the selected car via links, so may be relevant.

Cooling Fan Terminal Identification

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12124685 3-Way F Metri-Pack 630 Series, Sealed (BK)
Pin	Wire Color	Circuit No.	Function
A	BK	250	Ground
B	L-BU	409	Low Speed Cooling Fan Supply Voltage
C	GY	532	High Speed Cooling Fan Supply Voltage

Cooling Fan 1 Relay Terminal Identification

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12129716 4-Way F Metri-Pack 280 Series, Flexlock (GY)
Pin	Wire Color	Circuit No.	Function
30	L-BU	409	Low Speed Cooling Fan Supply Voltage
85	PK	639	Ignition 1 Voltage
86	D-GN	335	Low Speed Cooling Fan Relay Control
87	OG	742	Battery Positive Voltage

Cooling Fan 2 Relay Terminal Identification

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		15336745 4-Way F GR 280 Series, Metri-Pack 800, Sealed (GY)
Pin	Wire Color	Circuit No.	Function
30	GY	532	High Speed Cooling Fan Supply Voltage
85	PK	639	Ignition 1 Voltage
86	D-BU	473	High Speed Cooling Fan Relay Control
87	OG	742	Battery Positive Voltage