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Old 07-02-2009, 10:55 AM   #1
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Default Looking for MS1 v2.2 modding diagrams

Hi Everyone,

I've been looking for a diagram on how to mod the typical MS1 v2.2 board for use in the Miata, however I keep coming up with v3 boards. Can anyone point me in the right direction?

THanks
Scott
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Old 07-02-2009, 10:56 AM   #2
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Old 07-02-2009, 11:14 AM   #3
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Thanks, can anyone explain to me a bit more about the 420a neon setup?
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Old 07-02-2009, 11:22 AM   #4
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This would be the outputs for a 2.2: MSnS Extra Ignition Hardware Manual
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Old 07-02-2009, 11:37 AM   #5
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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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Old 07-02-2009, 04:01 PM   #6
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Thank you sir, exactly what I was looking for!!!
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