"V500 " ——12V 24V Circuit Tester Automotive ElectricalPower Probe. The VDIAGTOOL V500 circuit diagnostic kit now includes a fuel injector test, allowing you to check injector status by outputting various pulse signals.
eBay
Wire Tracer Circuit Tester Tone Generator Probe Kit Network Phone Cable Signal Locator Tester RJ11
Aliexpress UK
If the tool's buzzer is turned on, a high-pitched tone will sound. If the tool's buzzer is turned on, a low tone will sound. Neither LED will glow if its probe tip is connected to an open circuit. Jdiag P100 Power Circuit Probe Kit 12V 24V Circuit Tester Automotive Electrical System Diagnostics Test Tool.
eBay
PH Meter Replacement Electrode Probe PH Water Quality Tester Spare Part Probe Acidometer for
Aliexpress UK
1 Car Circuit Tester（without battery）. Easy operation : After a simple hook-up of the unit to the vehicle's battery, the automotive technician can conduct a positive or negative battery current to the tip by rocking the power switch forward or backward.
eBay
2m Automotive Circuit Tester Power Circuit Probe Kit Car Voltage/Resistant Tester 12/24V Diagnostic
Aliexpress UK
WIDELY APPaLICATION: The multifunctional automotive circuit tester is the most versatile and practical test tool for circuit maintenance. Quickly check car headlights, taillights, turn signal circuits, faulty sockets, connections, fuses, broken wires, and more.
eBay
2m Automotive Circuit Tester Power Circuit Probe Kit Car Voltage/Resistant Tester 12/24V Diagnostic
Aliexpress UK
ELM327 USB OBD2 Scanner Cable Diagnostic Tool Engine Fault Code Reader Adapter.
eBay
1PCS 1M 2M Length Wire K-type Thermometer Line Test -20~500C TP-01 Thermo Sensor Probe Tester For
Aliexpress UK
Sharp steel probe easily pierces wire insulation to inspect circuits. Bulb: 3W, Bulb Cord Length: 102mm/4.0". The circuit board has line protection function, which is safer and more resistant to burning.
eBay
Handheld Soil Moisture PH Meter Acidity Humidity Tester Metal Sensor Probe 3~8ph Hygrometer for
Aliexpress UK
1 Car Circuit Tester（without battery）. Easy operation : After a simple hook-up of the unit to the vehicle's battery, the automotive technician can conduct a positive or negative battery current to the tip by rocking the power switch forward or backward.
eBay
ZIBOO - 2Pk 4Mm Banana Jack 3 Tip Black (PPTK0024) ,Use for Autel Circuit Tester Power Circuit Probe
Aliexpress UK
It works like a test light that can power circuits or provide a good known ground. You can power or ground a circuit directly through the top of the device. The PB100 has a built-in 8-amp circuit breaker to prevent circuit overload and overheating.
eBay
2 in 1 Soil PH Meter Soil Fertility Tester with 3 Probes for Home Garden Lawn Farm Indoor and
Aliexpress UK