Power Take-Off (PTO) Connector End Views

Power Take Off (PTO) Relay

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12129716 4-Way F Metri-Pack 280 Flex-Lock (GY)
Pin	Wire Color	Circuit No.	Function
30	ORN	3440	Battery Positive Voltage
85	L-GN	488	Power Take Off Switch - Output - Enable
86	PU	2562	PTO Engage
87	WH	2561	PTO Signal

Power Take Off (PTO) Switch

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12186098 8-Way F Metri-Pack 150 Series (L-GY)
Pin	Wire Color	Circuit No.	Function
A	BN	41	Ignition 3 Voltage
B	L-GN	488	Power Take Off Switch - Output - Enable
C	GY	8	Instrument Panel Lamp Supply Voltage - 1
D	GY	397	Cruise Control On Switch Signal
E	YE	2522	PTO Status Signal
F	BK	1850	Ground
G	D-BU	84	Cruise Control Set/Coast Switch Signal
H	PU/WH	1382	LED Dimming Signal