A primary use for the Equus 3022 is verifying the vehicle's alternator and battery health: HOW TO USE A DIGITAL MULTIMETER ON A CAR BATTERY
The is a vintage 7-function engine analyzer and automotive tester designed for comprehensive vehicle diagnostics, including electrical systems and engine performance . While modern equivalents like the Innova 3320 or Innova 3340 are more common today, the Equus 3022 remains a popular tool for enthusiasts working on older vehicles. Core Functions of the Equus 3022 equus 3022 tester manual full
For RPM or ignition tests, clamp the inductive pickup around the #1 spark plug wire. Ensure the arrow on the pickup points toward the spark plug. Testing the Charging System A primary use for the Equus 3022 is
Measures the period that the contact points remain closed in a classic ignition system. Ensure the arrow on the pickup points toward the spark plug
Measures engine speed, often using an inductive pickup that clamps around a spark plug wire.