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Which pcm wire is tach signal?

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Old 12-29-2009, 11:14 PM
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Question Which pcm wire is tach signal?
I need to find the tach signal wire from the pcm on my 99 f250 sd 5.4 to finish installing my remote start anyone know the color? Thanks lmk
 
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Old 12-30-2009, 01:38 PM
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According to my book...

The tachometer (17360) is a 6000-rpm tachometer that is hardwired to the PCM through circuit 648 (WH/PK).
 
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Old 12-30-2009, 07:08 PM
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Yes there is 2 white/pink wires and i already tried them both with no success any ideas?
 
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