Knock Sensor 1 (KS1) Connector End View (C109)

Fig 1: Identifying Knock Sensor 1 Connector (C109)

Courtesy of FORD MOTOR CO.

Pin	Circuit	Gauge	Circuit Function	Qualifier
1	VE801 (VT-OG)	20	SENSOR - KNOCK 1ST BANK 1ST OR UNIQUE (KS1+)
2	RE323 (WH-BN)	20	CTRL MOD. - POWERTRAIN # KNOCK SENSOR 1ST BANK 1ST OR UNIQUE (KS1-)

Available Pigtail Kits
Pigtail Kit Part Number WPT-351	Service Part Number: 3U2Z-14S411-AXA  Gauge: 16  Pin material: Gold  Cavities: 2  Vehicle Uses Motor - Engine Cooling Fan Sensor - Cam Shaft Position Sensor - Knock
Pigtail Kit Part Number WPT-994	Service Part Number: 3U2Z-14S411-AXB  Gauge: 16  Pin material: Tin (greased)  Cavities: 2  Vehicle Uses Sensor - Cam Shaft Position Sensor - Knock