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Bravnik
01-02-2008, 07:11 PM
Ok, I'm in need of getting an RPM signal for an installation I want to do (Wanna do a write-up so don't wanna spoil the surprise). I have done a shit load of searches and to be honest I have about 3 or so ways to pull the signal.

However, I wanted to ask to see if anyone had a simple solution. I was thinking of pulling the signal from the Nav harness (I don't have nav), but I see this works from some and not others....has anyone with experience with this have any info? Does this pull total RPM or just 1/4?

The next step is to use a GPM wire from MSD to pull the signal but I don't think the item I want to install can select 1 cylinder.

So the last step would be to use the MSD 8913 Tack Adapter but I would rather use the Nav solution if it is accurate as it will not require any wire cutting and the end result will be a cleaner installation.

Thanks for the input / help and I think you will like what I intend to install next :)

Rotus8
01-02-2008, 09:22 PM
There is no tach wire to the NAV, just a speed signal. Sorry.

Bravnik
01-02-2008, 10:23 PM
Ah ok...there was some conflicting info...so then I guess its the Tack Adapter then.