[Gmecm] Another stupid P4 memcal question

[Ne14RoxCJ]

Mark, Does the LED trick work with the knock sensor circuit still intact? Or
do you have to remove the circuit board completely? I'd like to take a look
at that drawing if you don't mind sending it to me.

Thanks,
Beau

-----Original Message-----
From: gmecm-bounces at diy-efi.org [mailto:gmecm-bounces at diy-efi.org] On Behalf
Of mark krawczuk
Sent: Sunday, February 05, 2006 3:15 PM
To: gmecm at diy-efi.org
Subject: Re: [Gmecm] Another stupid P4 memcal question

hi, the  " white circuit boad " is  a knock decoder board.
as far as i kow they are interchangeable ,  but i  THINK it  might throw a 
cel if use the memcal  with a  knock boad in a appliation where it dont use 
one.

i have a schematic where u can cut the knock board off and  use a few 
conponentsand make a stand alone sensor that flashes a led when it detects 
knock.
mark k


----- Original Message ----- 
From: "Sam Reed" <sam_reed at yahoo.com>
To: <gmecm at diy-efi.org>
Sent: Monday, 6 February 2006 5:00 AM
Subject: [Gmecm] Another stupid P4 memcal question


> Why do some P4 memcals have an extra white circuit
> board suspended above the "limp home" chips?  Are the
> two different types interchangeable as long as you
> program in the right code (and use a memcal for the
> right number of cylinders)?
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