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Re: 4.2L F150 Blowing PCM Power Relay Fuse
Posted to Technical Discussion Forum on 11/16/2022 2 Replies

According to the OEM wiring diagrams this 30 amp fuse #24 provides power to the PCM power relay and the #1, 5 amp fuse in the Engine Fuse Module, the 5 amp fuse provides power to the PCM.

I checked both OEM and Alldata's redraw of the wiring and both show th... Login to read more.

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