2010 12v Fummins
Is this my true key on power to run to my 12volt switched wire for my tach helper by my obd 2 port if not where should it be and is it already hooked up
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Is this my true key on power to run to my 12volt switched wire for my tach helper by my obd 2 port if not where should it be and is it already hooked up
not sure you find the wiring info here https://fumminstuning.freshdesk.com/support/solutions/articles/150000219347-6-4-ford-super-duty a test light will tell you, some wires there are pass through and some oem for options. Ignition is hot under crank, accessory is not