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Re: K24 and boost - more on WGFV
In a message dated 12/1/99 11:22:21 AM Central Standard Time,
> > .... The diode light is NOT a 100% method of
> > testing WOT function. 3 ohms of resistance is enough to fool the
> > regarding WOT (a long standing Ned Ritchie tech tip), but can still
> > the diode light. The only 100% method of testing WOT function is to use
> > ohm meter on the switch.
> [and then]
> > .... Try this, hook up a LED to the WGFV terminals, and route it
> > into your dash. ...
> That's exactly what Orin's LED arrangement is. Even for those of us who
> aren't custom tuning our springs and chips, it's very helpful to
> understanding what's going on--and to checking that the WGFV really is
> being used. Also helped me understand why I was getting an overboost
> condition a while ago, because of a torn wastegate.
> I believe there's a diagram at Scott Mockry's site; it's simply an LED
> and current-limiting resistor across the WGFV's terminals.
Exactly. My point is that the WOT switch should only be tested with an ohm
meter. The LED across the WGFV is a good way to fine tune the chip mod to
your individual car. Saying it's "100%" good for WOT switch test isn't
really a valid statement IMO.