Here we go again. 68 plymouth slant 6. Electronic ignition. Cranks but wont start. It will fire every once in a while. Pulled plug out. Has weak spark. Here are some numbers i have:
Battery 12.6 volts
-coil key on 1.3 volts
+coil key on 6.5 volts
Tested original brn/blue wire that went to...