Lower Lumbar Switch - Driver Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 12041429 Service: 12167129 5-Way F Metri-Pack 280 Series (BK)
Pin	Wire Color	Circuit No.	Function
A	-	-	Not Used
B	YE	386	Driver Power Seat Lumbar Down Relay Control
C	-	-	Not Used
D	RD/WH	2240	Battery Positive Voltage
E	PK	789	Driver Pneumatic Seat Lower Lumbar Solenoid Control