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Remember the old days when you could check your “Detroit iron” engine for spark by just inserting a spare plug into the wire, laying it on the block where you could see it, and cranking it over?  (Or maybe you conned your younger brother into holding the wire — just once.)  With new coil-on-plug ignitions, those days are gone.

Thankfully, Wakeon’s coil-on-plug quick probe makes the process even simpler — and safer — than before.  Just press the probe’s antenna against the ignition coil and it’ll flash an LED strobe each time the coil fires.  It also flashes a green LED to indicate sufficient arc duration.

It’s battery powered — battery included — and can be found from a wide variety of online sources starting at around $75.  Interestingly, we saw an extraordinary variation in pricing, so shop hard for the best deal.

The Coil-On-Plug Quick Probe [Wakeon]
Street Pricing [Froogle]


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