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The IQ3 wants a 5-18V, 50% duty cycle square wave output signal for engine rpm -- anyone know if the Lotus (07 Exige S) has such a signal? And if so, where is it best to tap into and what is the wire color?

If not, are you folks using the :
GMR Inductive RPM Pickup (Racepak PN: 680-SN-GMR) ? +12v on a coilpak?

Many thanks Rob.
 

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Rob

I used MSD Part#8918 clipped to a coil pack Tach Signal GMR Pickup, PN 8918 which works fine for a Race Technology DL-1 datalogger but I don't know if the signal conforms to what you're looking for or not :shrug:

Chris
 

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Chris,

Thanks, I fear tapping into any Lotus wire these days, so your suggestion sounds good.

Rob.
 
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