Fits Delcotron, Ford and Chrysler electronic and internal systems. Allows mechanic to measure alternator output. Isolates charging circuit problems. Eliminates hookup errors. Makes testing quick, easy and mistake proof. Made of unbreakable plastic.

Used to full-field systems with “A” circuit alternators, which includes internal regulator alternators suce as: AC-Delco, Motocraft, Nippondenso, Mitsubishi, Hitachi and Lucas. Reaches hard to get grounding holes. The probe is tin plated for excellent conductivity and has an insulated shaft.

Allows the technician to isolate the alternator/regulator from vehicle wiring harness and switches; and check rotor and diodes without removing alternator/regulator from car.The OEM connectors assures correct hookup. For all Fords: 1986 & up - All Fords (except trucks) 1985 Tempo - Topaz, Escort - Lynx 1984 Tempo - Topaz

Identifies charging system problems by isolating the alternator and regulator. Energizes field circuit so full output can be measured.

For GM DIS Delco coils from 1985 and up. Accesses primary ignition circuit for diagnostics. Connects between ignition coil and module. Allows access to positive and negative side of coil. Shipping Weight 0.05 lb.