The best way to check the AFM is to put a 9 v battery across the + and
ground terminals and watch the voltage on the slider terminal with a
voltmeter.
   The voltage should change smoothly from 0 to 9v ( or vice-versa) as
you move the flap thru its full motion.
The Bentley test is crude and inconclusive.

 Of course if the slider develops a resonant vibration at a high steady
engine speed, that's another whole can of worms.

Larry A.

Florian Speier wrote:

> ok, sorry about my constant posting, i realized i can get my fingers
> in the
> other way much easier... the values in moving the flap are under 1k at
> both
> ends as i said before, the output is not very smooth though when I
> move the
> flap. like the jump from 1.3 to 2.6 is very sudden, and there are
> valleys of
> around .3k
>
> so what is this thing doing?
> flo
>