Product size: pen body 10.5cm, line length 65cm. The unique long-life light tube, not produce heat, comfort and safety. Testing Range: DC 6V-12V-24V. Product weight: 40g.
eBay
Digital Multimeter Tester, DT830B Electrical Voltmeter Ammeter Portable Volt Multi Meter Car Battery Tester Circuit Tester
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
ANCEL PB50 12/24V Car Electric Circuit Tester Probe Pen Tester Voltage Resistant Test Voltage Power Probe Kit Auto Battery Test
Aliexpress UK
Sharp steel probe easily pierces wire insulation to inspect circuits. The circuit board has line protection function, which is safer and more resistant to burning. Can be used to detect power, ground, and find shorts and breaks in wires.
eBay
VDIAGTOOL V200PRO Electric Circuit Tester 12/24V Electrical Open Short Circuit Finder For AC DC Voltage Trailer Relay Fuse Test
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
30A-300A Circuit Breaker 12V - 48V DC 12 Volt Circuit Breaker Inline with Manual Reset Waterproof for Marine Boat Trolling Car
Aliexpress UK
A good-to-have tool for technicians. An absolute must for every technician looking for a fast and accurate solution to electrical system diagnostics. Quick switching among 4 modes by pressing mode button.
eBay
DaierTek 6 12 Way Fuse Block 12 Volt Blade Fuse Block with LED Indicator Circuit Fuse Box 12V ATO/ATC Marine Fuse Panel For Car
Aliexpress UK
Check the relay before plugging into the tester. If it's a 4 pin relay,select"4 pin" on the tester.If it's a 5 pin relay, select"5 pin"on the tester. Tester will light the GREEN LED if the test passed, if not light the RED LED.
eBay
6/12/24v48v Dc Digital Display Extended Spring Cable Automotive Digital Voltage Circuit Tester Truck Automotive Light Test Pen
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
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