Megasquirt how to.
Posted: April 17th, 2008, 9:57 pm
Okay, the way to run MS on our cars(obd1 anyway) is to buy the MS1 V3.0 board.
also, when assembling it, we have a hall sensor in our disty's.
so follow step 50a. and don't install the vr sensor stuff.
then you have to run a 1k ohm resistor from pin 24 to pin 28 on the db37 connector.
after that, I recommend you use the on board coil driver, so you can do away with the stock crappy ignition module, or HEI if you are running that.
when building your MSnS box, follow the directions, and install the vb921 coil driver with the pinouts that it mentions in the assembly manual.
after that, wiring it up is a piece of cake.
the spark output wire(I forget the pin) goes to the negative on the coil, and the positive side goes to the fuel pump relay.(so it is only on when the car is running)
that way you can't burn out your coil.
this is the simplest way to do it, and I recommend it.
maybe this needs a sticky?
7
Ps, oh yeah, it isn't difficult to assemble the v3.0 board at all, it just takes patience, and about 6 hours of your time.
pss, if you have any questions, put them here, and I will get an email notification.
also, when assembling it, we have a hall sensor in our disty's.
so follow step 50a. and don't install the vr sensor stuff.
then you have to run a 1k ohm resistor from pin 24 to pin 28 on the db37 connector.
after that, I recommend you use the on board coil driver, so you can do away with the stock crappy ignition module, or HEI if you are running that.
when building your MSnS box, follow the directions, and install the vb921 coil driver with the pinouts that it mentions in the assembly manual.
after that, wiring it up is a piece of cake.
the spark output wire(I forget the pin) goes to the negative on the coil, and the positive side goes to the fuel pump relay.(so it is only on when the car is running)
that way you can't burn out your coil.
this is the simplest way to do it, and I recommend it.
maybe this needs a sticky?
7
Ps, oh yeah, it isn't difficult to assemble the v3.0 board at all, it just takes patience, and about 6 hours of your time.
pss, if you have any questions, put them here, and I will get an email notification.