THIS REPLACES ALL THE OLD POINTS TYPE IGNITION COILS ON MOST ONANS  ENGINES NOT SOLID STATE. THESE CAN BE CHECKED WITH AN INDUCTION TESTER POINTS COILS NEVER USE 3 LEGGED MOUNTING BKTS THEY WILL NOT FIT.


166-0820 same as 541-0522 solid state only

166-0804same as 166-0772  points only

A. (166-0820)

B. (166-0804)

Primary Resistance: 3.12Ω

Primary Inductance: 6.67mH

Secondary Resistance: 20.5KΩ

Secondary Inductance: 41.30H

Primary Resistance: 4.25Ω

Primary Inductance: 9.48mH

Secondary Resistance: 37.85KΩ

Secondary Inductance: 59.96H


THANKS GARY