Quote:
Originally Posted by 1965Impala
ls1nova71, in your hand drawn diagram in your first post, you indicate that the "J" is not necessary for the cruise to work. Does that mean it is optional or that it should not be connected? Just out of curisosity, what does the "cruise engagment signal" do? I assume that it is the Cruise Module telling the PCM that the cruise is engaged, but what is the PCM doing with that information? Thanks for all of the great information.
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I've heard that there are different shift tables for when the cruise is engaged, however, I hooked that wire up on both my truck and my car, and couldn't tell any difference what so ever. I suspect it also sends a signal to the instrument cluster, which is a module it's self, and is what will disengage the cruise when the shift lever is moved into neutral while driving with the cruise on. I have the factory 5.3 NSS mounted on the transmission, and all the wires are hooked up, and it does not disengage when shifted into neutral. Not a big deal since it seems totally unnatural to do that anyway, but I've tested it and it's the same on both of my cars, it will rev until it hits the rev limiter if you don't shut it down first. Also, as far as I know, all aftermarket cruise controls will do the same thing.