Can anyone tell me how to hook up the tacho with microtech ecu? I found that my tacho is for positive current while my microtech only supply negative current for the tacho so when they connected up, the tacho doesn't read. Any idea?
I searched on Toymods and found this, don't know if its what I want.
also would like to know if a afterarket tacho can be connected with the microtech tacho wire with no further modification on the circuit?
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