A few months back I bought this car... paid way more than I should for this 78 Subaru DL wagon... 2wd. It's in sweet shape cosmetically, but I think I got hosed. I have had nothing but problems with it. So far I have had to replace the carb, fuel pump, alternator, in addition to plugs, wires, cap, rotor, new points and air filter. Now it seems to run and drive fine except that it randomly will hesitate on takeoff. I put a multimeter on the coil today to see what kind of voltage I was getting. First I put the negative probe on the negative battery terminal and poked a few spots. Hot side of the coil said it was getting ~10v. Then I touched the resistor posts. One side was getting ~13, the other ~10, so that seemed good. Then I put the positive probe on the positive battery terminal and poked the negative post on the coil and I got confused... it was showing me ~7. Then I put both probes on the posts of the coil itself and got ~3. I referred to my shop manual and saw that the ignition coil does in fact ground through the breaker points, but I am not sure how that would affect the numbers. Can someone tell me whether these numbers are normal?
There is also a small silvery cylinder mounted to the coil bracket that has one wire going to the other side of the same bracket (grounding I assume) and it looks like a wire is broken off the other side. Could that be affecting my voltage readings?