Quote:
Originally Posted by LockDoc
It is a '98 F Body engine but it has an '01 PCM and harness. It does have one NSS wire but I figured since I was going to use the early column mounted NSS system that I wouldn't need it. If need be I think I could put a micro switch on the shift linkage temporarily to ground it in park so it will start.
As far as tune, the PCM has been tuned for the mods to the engine and for standalone operation.
LockDoc
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I think I may have confused you a little bit. You can just use the neutral safety switch on your column and hook up the original purple wire that went to your old starter directly up to the new starter. The PCM uses the NSS to know when the engine is shifted from park or neutral to slightly bump the idle. It isn't completely necessary, but if you can hook it up, I would. If you ever need to do a crank relearn, it has to be hooked up so the PCM knows the transmission is in park. As for hooking it up in the harness, it depends on what harness and what tune you are using. An F body harness and tune will use the single wire grounded in park and neutral, where as the truck harness has several wires that go from the trans mounted switch to the PCM. The tunes are different between the two. Also, if you got the transmission with your engine, the shift shaft on a car trans isn't long enough to add a truck NSS to it.