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Posted

I currently have aux output 5 on my xtreme g4 hooked up to the tacho input, but it doesnt drive the MR2 tacho. what do i need to change on the MR2 tacho board to get it to accept the low level signal coming out of the link ecu since from what i understand the MR2 has a high level drive coming from the ignitor.

Posted

Hi Justinsue,

Yes you are correct. You should find that the incoming signal onto the dash pcb will go straight to a resistor, if you bypass this resistor and put the signal in on the other side of it you should be good.

-Cameron

Posted

Hi Justin,

Without scoping what the original signal looked like on the other side of that resistor it would be hard to know what duty cycle or resistor it would need. I would think it would be fine without the extra resistor. I would also imagine that 30-50% duty cycle should be fine.

-Cameron

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