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Here is how you hook it up



Have fun and be carefull

Bob the electronics dude

here is the circuit.... http://www.postimage.org/aV21RGzJ.jpg Now.... you would have one trigger for the 1 & 4 coil.... and one for the trigger on 2 & 3 Keep in mind that the collector is attached to the metal heat sink of the transistor so be carefull not to let the two transistors touch. It would ...

This is an easy circuit to make. The ECU signal is 0V and it sends +5V pulses when it wants to trigger the spark plugs The aftermarket systems want to see +12V with pulses down to 0V when a spark trigger occurs. So... it's just a simple inverter. You take a resistor such as 4700 ohms and attach it b...