Thexton Full-Fielder 3 Alternator Test Adapter Import Automobiles #349 Retired Vintage. Designed to fit many different systems. Energizes Field Circuit so Full Alternator  Output can be measured. Quick and easy to use. Bypasses Voltage Regulator to isolate Charging System problems. Mistake proof plugs cannot be inserted incorrectly. Eliminates errors with Jumper wire hookup. Instruction Book included.

New old stock. Still in original packaging. See pictures for tool application and to determine condition for yourself. Stored in a pet and smoke free environmen