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Why a starter input needed for radio?
Posted to Technical Theory Forum on 6/10/2008 6 Replies

Hi All.

Another theory question.

Why would the radio need to know then the engine was cranking?

I happen to be studying a 2008 Focus.

Ford has a fuse that is only powered in the start position (SJB F28 5 amp) sending B+ to terminal 15 of the Audio Cont... Login to read more.

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