ST-7 Motor Cable Testing Kit The ST-7 tests 7-pin Socapex cables for opens, shorts, and wire swaps and shows pin-by-pin results on a full-color display in under one second. It can report up to four simultaneous faults so you see the problem, not a single pass/fail light. Built for shops and techs. No multimeter hunting. No uncoiling to chase one bad conductor. Connect the cable between the Female Testing Unit and Male Testing Unit, press and hold, read the screen! What it finds• Opens — black center with red ring• Shorts — red fill with red bar/link between pins• Swaps & cycles — yellow arrows/lines• Mixed faults — up to four at once• Intermittent shorts — red outline/link stays after a short clears while you hold the switch How you use it1. Confirm the cable is off power2. Connect between Female and Male Testing Units3. Press and hold the power switch4. Read the display (under one second; hold as long as you need)5. Release; store in the case What’s in the kitFemale Testing Unit · Male Testing Unit · USB-C cable · aluminum instruction card · IP65 hard case (9.25 × 7.5 × 4.25 in / 235 × 191 × 108 mm) · 2.95 lb (1.34 kg) full kit Battery~30 hours static screen-on · ~10,000–20,000+ tests per charge at a few seconds per cable · USB-C (red charge / green full) Specs7-pin Socapex · opens/shorts/swaps · ≤4 faults ·