Place the red lead on the positive (+) terminal and the black lead on the negative (-) ground.
The Equus 4320 is a "hands-free" digital multimeter, meaning it often comes with rugged rubber boot protection and test lead holders. Key specs usually include:
: Equipped with three LEDs that represent the state-of-charge for commonly tested batteries. Essential Operating Procedures equus 4320 manual pdf
A low resistance or an audible beep indicates continuity (a continuous path for electricity). An or "1" display indicates an open circuit (broken wire or blown fuse). 4. Diode Testing Set the function switch to the Diode Symbol position.
While some models require you to select the range, the 4320 series often features auto-ranging to simplify the testing process. Place the red lead on the positive (+)
Download Equus 4320 manual PDF: Learn how to install, operate & troubleshoot your digital tire pressure monitoring system. 3.93.43.56 Equus 4320 Manual Pdf May 2026
: Always wear eye protection when working on vehicles and keep fingers behind the probe guards to avoid electric shock. step-by-step guide Essential Operating Procedures A low resistance or an
Inspect vehicle fuse box; replace bad fuses providing DLC power. Non-OBD2 compliant vehicle model. Verify vehicle is 1996 or newer (US standard). Frozen Interface Microprocessor communication glitch.