Quote:
Originally Posted by davids2toys
Great idea, I did this minus driving around like that hooked up. I only have the light with the probe so how would you hook that up.
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Go to the auto parts store and buy a 12v light, then strip back the insulation on the skinny red wire (not the fat red wire) as close to the MSD box as you are comfortable stripping it. You're not cutting the wire, just stripping the insulation back. Then wire your light directly to that stripped portion and the other lead of the light to a good ground. It's important that you wire it in right next to the MSD box because the positive feed to it on an ERA is not coming directly from the ignition switch that is only two feet away. Instead, the feed goes all the way out around the front of the engine and back, so don't cut corners on this test or you could be misled.
