140-Pin PCM

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Fig 1: 140-Pin PCM

Courtesy of FORD MOTOR CO.

140-PIN PCM POWER AND GROUNDS REFERENCE TABLE

Function	Description	Connector/Pin
VPWR	Voltage input to module	B51, B52
PWRGND	Power ground	B67, B68, B69
CSEGND	Case ground	B66
SIGRTN	Signal return	B58, E58
VREF	5 volt reference	B33, E57
KAPWR	Keep alive power	B54