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MS2 v3.57 Direct coil control


s30kid

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Hey Guys, I have a question about direct coil control with the 3.57 board. I have been reading all over the internet, various websites and megasquirt manuals, but I have not found an answer to the question. Can megasquirt 2 v3.57 control a single coil out of the box or do I need to make hardware mods to the board. 

 

Some people said that I need to build the coil driver circuit (BIP373)

 

Others said that I only need to jumper IGBIN to JS10 and IGBOUT to IGN

 

Another forum post said this.

 

"V3.57 should need no mods for what you're doing other then setting the jumpers: http://www.megamanual.com/357/assemble.htm


You'll want JP1 2/3 and J1 1/2 jumpered. For a stock distro you probably want to invert the ignition input trigger to get enough trigger angle (~60). 



5v to center of Q16 should only be used to drive a transistor ignition module, NOT direct driven coil. "

 

I am really lost here guys. Any help is greatly appreciated.

 

Me setup is:

l28et 

Stock 280z dizzy

36-1 trigger wheel and sensor from diyautotune.com

stock replacement IGN coil from autozone

Coil + wired to fuel pump on the ms relay board

Coil - wired to pin S5 on the ms relay board

 

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