Re: Memcals

[Swayze <kswayze@bellsouth.net>]

has anybody documented the netres
circuit in a memcal? (is it a black goo
device--I haven't snagged an ecm
yet).I'm a newbie  and learned not to
make any mods to a  circuit without a
schematic(long ago).
byE
Mike S.

Bruce Plecan wrote:
> 
> Memcal. is used on P-4, and some later ecms.  It holds the prom, and then at
> least one netres (gmese, for resistor network).  Some have two netres, and a
> printed circuit board.  The second netres, and circuit board are for knock
> filtering.
>   The first netres holds the limp home mode "calibration".
> Usually starting with a "close as possible" memcal will get at least a
> drivable car in limp home mode.  Results vary, by engine mods..
> Grumpy