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post #7 of Old 05-18-2012
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Re: 2QM20 Tach wiring

Are you using a tachometer similar to this?
Laser Photo Tachometer measures RPM for Model Airplane Engine Electric Gas Motor | eBay
Do you apply a piece of reflective tape to the engine drive shaft pulley and use that for taking the reading?

I'll take a look at my engine this weekend, but is there already a signal wire on the alternator to connect to?

Thanks, let us know how your install goes.

Chesapeake Bay
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