140-Pin PCM - All Others

WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2008 Mercury Sable, 2008 Mercury Mountaineer, 2008 Mercury Milan, 2008 Mercury Mariner, and 2008 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying 140-Pin PCM Connectors/Terminals

Courtesy of FORD MOTOR CO.

TABLE 1 - 140-PIN PCM POWER AND GROUNDS

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	5.0-volt reference	B33, E57
KAPWR	Keep alive power	B54