Tach wire for '05 6.0 PSD remote start
#2
The only thing close would be the Clean Tach Out (CTO) wire coming out of the Customer Access Circuits. There is no "tach wire" per say coming from the engine, the PCM passes RPM information to the Instrument Cluster over the SCP data buss.
The Customer Access Circuits are described in the Body Builders Layout book here.
https://www.fleet.ford.com/truckbbas.../2005/pto.html
The Customer Access Circuits are described in the Body Builders Layout book here.
https://www.fleet.ford.com/truckbbas.../2005/pto.html
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