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I have wired an Autometer tacho into my GTR using pin 7from the ECU, (yellow with red trace?) and the tacho will still not fire up. The Haltech is set up using the PWM output 1 as a tacho out and I have tried changing the out put voltage from 5v to 8 and 12v but no change.

The tacho is probably an 03 model.

An I missing something or is the tacho cactus.

Any help would be appreciated and I've searched everywhere else!

Cheers Christian

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