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My truck has been giving me fits lately with randomly not having spark. It has finally gotten to the point where it isn't firing up at all. While trying to track down the problem today I found the coil is seeing 5 volts in the run position, but only 8 while cranking. The contacts in the plugs on...

On my 84 Ram Charger, bad alt or bad voltage regulator? Thanks EDIT: That's supposed to be charging. :p

My 73 won't start (crank but not start), I'm not getting any spark while it's cranking. I checked out the ignition unit, ballast resistor, and the voltage regulator. I bought all three new and compared the measurements. The regulator was bad and so was the ignition unit. I replaced them and the...