If you have 13.5 v to 14.5 v at the battery while running, with the proper 0.5 Ohm ballast resistor you should be getting about 9v to 10v at the coils positive. But that voltage may have a volt or two drop when going thru the firewall bulkhead connector twice if the connectors are dirty or the wires under the dash are damaged.
Retired, US ARMY 1973-1994 ASE mechanic, Electrical 1994-1997 Retired GTE/VERIZON/FRONTIER 1997-2015
Posting cheap tech help (CRAP) here since Nov 97, 1000's of posts, some may be good.
03 Suzuki Burgman 650(Burger King) Scooter 65 Formula S Cuda 78 Little Red Express Truck 98 Buick Regal (wifes car)
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