Quote:
Originally Posted by chevytrucking
As I was re-reading the old posts, are you saying this will only work with a signal from an ecm? I had hoped the signal from the trans was all that was needed, but..... My swap was just a NV4500 behind the 454 I already had in the truck. Electrically, my truck is pretty much stock. Will this mod work without an ecm?
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Pretty sure it won't work with out the PCM. It needs a 4000ppm signal, and with out the PCM I don't know how you would wire it or calibrate it. THe PCM has a single wire coming out of it for the speedo to hook to, where as the VSS has two.