Ok...I feel stupid on this one, but I'm at a loss as I've never used one before. I have a dwell/tachometer handheld unit. I know how to use the dwell side, but don't know how to hook it up to use the tach side. It has two leads red/black. I think black is obvious(ground) but where do I hook the hot? Coil? Which side? Help!
Thanks!

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Fred
Madness takes it's toll, please have exact change.
'70 Chevelle
www.geocities.com/motorcity/shop/9385/1970Chevelle.html (http://www.geocities.com/motorcity/shop/9385/1970Chevelle.html)

riffers
hook the hot to the neg. side of coil.for tach and dwell.that was not stupid,we all have brain farts now and then,have a good day,man.67rat member #199 NOW WAIT!mine has 3 leads, red/pos batt. black/neg batt. blue/neg side of coil.(see I brain farted)

That's what I thought, but it doesn't work. It's quite possibly the meter, kinda old and not a quality piece anyway. When I put the switch to dwell, it reads fine. When I switch it to tach the needle dies back to zero. Might pay me to invest in one.
Thanks!
Fred