wiring aftermarket tachomete

[izanagi]

Thanks for the help. I will check before buying.

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(05-21-2014 02:38 AM)jondee86 Wrote:  Generally speaking, most decent aftermarket tacho's can accept
5V square wave, 12V square wave or voltage spike inputs. If you
take the signal directly from the coil, you need a tacho that can
accept a voltage spike input, so check the tacho data sheet.
Square wave outputs are found on later model cars, and originate
from the ECU or igniter module.

Cheers... jondee86

Any brand that it's sure it works to advice me ?
Thanks

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