Innova Electronics customer support may email you a PDF if you request it (provide your model number).
: Turn off the radio, air conditioner, heater, and all aftermarket accessories to prevent voltage fluctuations.
Ensure the vehicle ignition is completely off before connecting the tool.
: Measures DC Voltage, DC Current, Resistance, Continuity, Dwell Angle, RPM (Tachometer), and Duty Cycle. User-Friendly Controls : Includes a rotary function selector, a button to freeze readings, and a for low-light environments. Protection equus 3022 tester manual full
Attach the to the positive (+) battery post and the Black clip to the negative (-) battery post.
Mira had inherited the tester with the shop—part payment from an old client, part mercy. She’d spent the better part of a year coaxing it back to life, crawling beneath its chassis with a flashlight and a spool of enameled wire until the voltage rails no longer flickered like dying stars. It wasn’t the newest kit on the market. It wasn’t even the most reliable. It had personality, though, and in a field of sterile, black-box instruments, personality was worth something.
Checks DC current up to 10 A for identifying parasitic drains or circuit loads.
: Regularly check the coiled cord for frays or cracks that could lead to inaccurate readings or short circuits.
Plug the tester's single jumper wire plug into the small single-pin STI connector. Ensure all connections are tight and secure. 🏎️ Performing the KOEO (Key On, Engine Off) Test : Measures DC Voltage, DC Current, Resistance, Continuity,
Check the vehicle’s cigarette lighter fuse (often shared with the OBD port) or the ECM fuse.
If you need help interpreting a specific code, tell me the code and your car's make, model, and year!