Looking for MS1 v2.2 modding diagrams
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excuse my shitty diagram.
Use 100-300ohm resistors for the spark pull up.
For the tach input:470ohm resistor between the front of D9 to the back of D5.
second trigger: 470phm resistor from the spot between r13 and d9 to wherever the tach input is coming in from, then a 1K resistor to pin 11 on the CPU.
I belive that's all you need, make sure you position the transistors correctly on q3-5-9-10-11.
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