Connect the clamp to the negative (-) battery terminal or a solid engine ground.
Measures engine speed, often using an inductive pickup that clamps around a spark plug wire. equus 3022 tester manual full
Essential for testing spark plug wires, sensors, and continuity. Connect the clamp to the negative (-) battery
To use the Equus 3022 for basic automotive testing, follow these safety and operational steps: 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
Used for checking battery health and charging system output.