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Rally, my drug of choice.
1983 Mazdaru BR-7
932 Posts
Finished my BRZ 6 speed swap, 6 speeds are rad!!
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In the process I lost my transmission speedo cable which ran the speed sensor. So I built an arduino based speed sensor simulator that gives some varying square wave input to the ECU to keep it happy in terms of keeping the CEL off. Fortunately it's an older ECU, so it really doesn't need much, but I'm running some code that gets triggered by the neutral switch in the transmission.

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