It may be that if connecting one of these tachs in a diesel, it uses "W" from alternator. ....... Maybe: http://www.vwdiesel.net/forum/index.php?topic=22185.0 If so, difference in hertz maybe a non issue? Neil. On Sun, May 1, 2011 at 8:59 AM, Rocket J Squirrel <camping.elliott@gmail.com> wrote: > For use on 4,5,6,8 cylinder application engines with standard > coil ignitions, most square wave electronic control ignitions > with tachometer output terminal, and alternators with "w" > tachometer terminal. > > Eguauges does not know what difference there is between them. After some > searching, I found this: > > 333 365 is 4,000 RPM (400–1300Hz)* > 333 369 is 4,000 RPM (800–2400Hz)* > > where * = For Alternator use only > > Can someone help me figure out which gauge will read correctly when > connected to the coil? Maybe they both will, but this difference of 2:1 > in the frequency spec gives me pause.
-- Neil Nicholson '81 VanaJetta 2.0 "Jaco" http://tubaneil.googlepages.com/ http://groups.google.com/group/vanagons-with-vw-inline-4-cylinder-gas-engines |
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