The solves a real-world problem: How do I test a component that is 15 feet away from the battery? By putting a rechargeable battery inside the probe itself, AACT has freed the technician from the engine bay.
A: The device will still work as a standard tester (pass-through mode) if you connect the auxiliary ground cable to a live 12V source. However, you lose the ability to "activate" components without vehicle power.
If you already have a PP4, the AACT 430 serves as the perfect backup or remote testing unit. If you are buying your first professional tester, the AACT 430 offers better value and superior portability. Who Needs the AACT 430 Latest Portable Activator? 1. Mobile Mechanics You are always walking around a vehicle. You don’t want to drag a cord through mud or snow. The portable activator allows you to test alternators, starters, and sensors directly from the top of the engine. 2. HVAC & Appliance Repair Techs While marketed for cars, this device works perfectly on 24V HVAC control boards and 12V RV appliances. The short-circuit protection prevents blowing expensive control boards. 3. DIY Home Garage Enthusiasts Tracing a parasitic drain? Hook up the AACT 430 in ammeter mode (mA scale). It will detect the drain without needing to disconnect your car battery and lose radio presets. Pro Tips for Maximizing Your AACT 430 Tip #1: The "Back-Pinning" Technique Use the included sharp, replaceable tip to back-pin weatherpack connectors. You can activate a fuel pump relay through the control wire without removing the relay from the fuse box.
$79.99 – $99.99 (depending on kit inclusions). Conclusion
Switch the unit to "mA" mode. Disconnect the negative battery cable. Clamp the AACT 430 between the negative post and the cable. Wait 20 minutes for the car to sleep. The OLED screen will show the exact drain. Anything over 50mA is a problem.