1996 Ford 4.9L Engine Controls Wiring Diagram 23-6: MIL & CPP Switch Circuits

This is page 23-6 of a Ford factory-style wiring diagram covering Engine Controls for the 4.9L engine. It shows two main circuits feeding the Powertrain Control Module (PCM). The first circuit runs from a HOT IN START OR RUN fuse (fuse panel position 17, 10A, referencing pages 13-3, 13-9, and power distribution page 13-16) through wire 640 R/Y and splice S215 to connector C250, powering the Malfunction Indicator Lamp (MIL) in the instrument cluster (page 60-3), then continuing via wire 658 PK/LG through C251, C202, the VIP Data Link Connector, and C198 to PCM pin 17. A note explains the MIL lights with the ignition ON before cranking, goes off when the engine starts, and is turned on by the PCM if a fault develops. The second circuit runs from the ignition switch (HOT AT ALL TIMES, page 13-3) via wire 32 R/LB through C269 and splice S224 to wire 480 P/Y, then through the Clutch Pedal Position (CPP) switch or jumper, with separate branches shown for E4OD, manual, and C6 transmissions, via connectors C261 and wire 481 G/Y to PCM pin 30 (without E4OD) at connector C185. The manual transmission CPP switch prevents starting with the clutch engaged.