Cooling Fan 1 Relay Connector End View

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	Cooling Fan Motor Supply Voltage
85	PK	639	Ignition 1 Voltage
86	D-GN	335	Low Speed Cooling Fan Relay Control
87	OG	742	Battery Positive Voltage