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Kev · (This post was last modified: 11-11-2017 17:43 by Kev.)

Thanks for the info, David. My parents owned a '97 Liberty which I drove on a number of occasions. However, I just can't seem to remember how their jake was programmed. I do remember using it and don't recall thinking that it was too harsh upon activating, which made me wonder if it was set to 6th. That's why I was curious about how other Prevosts were programmed.

Last year I had my BB programmed from 4th to 5th. It made a big difference, and I've driven nearly 20k miles since then, but I still couldn't get used to the high engine revs when downshifting to 5th at highway speed. I just recently had it changed to 6th and couldn't be happier. Now she's smooth as butter on the highway off ramps or at highway speeds in general (and 5th gear is only a button away if I need it).

I also modified the enable switch which consisted of replacing the on/off switch with a on/off/on switch and running an extra wire. It took all of about 10 minutes to perform the mod. Now, depending on the position of the switch, the jake will activate either at 0% throttle position (as originally designed) or upon depressing the brake pedal (and will stay active until throttle is applied).

I'm very happy with the changes this far. The next thing on my list is to stop the brake lights from activating with the jake.