Vats bypassed!!

[Squash]

Try a LM319 regulator.  Fully adjustable.

SqUASh

--- Mike Rolica <mrolica at meridian-mag.com> wrote:
>   Thanks to Bruce W, Mike V and Kelly? I've managed
> to bypass the vats on my
> truck  (165 ecm on 5.7 TPI).  I constructed an
> astable multivibrator from a
> 555 timer and some resistors.  Last night I finally
> got it to work.  My
> problem.......I had the signal from the vibrator
> going to pin B4 on the ECM
> rather than the pin B6,  the one it was supposed to
> go too.   8- at .  I used
> the pin C12 (TPS 5v ref) as the supply to the unit. 
> What I've found is the
> ECM really wants 2.5v as measured by an expensive
> fluke multimeter.  (note:
> It also says that it should be 2.5v in the OEM
> service manual)  you get this
> when you have a 5v input into the vibrator.  It
> would not start @ 2.65v.
> Right now  I have to turn on the lights, heater
> blower and wait until the
> battery voltage drops to 11v and then it starts
> fine.  My fiancée does not
> like this too much ;-).
> I might try and use a adj. voltage regulator to
> supply the unit from 12v or
> just a 5v regulator from radio shack..what do you
> think??
> Mike  Rolica 
> Meridian Magnesium Products
> Strathroy, Ontario
> (519)-245-4040 Ext: 260
> 
> 

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