Can you ground these to anything like your truck? A bolt ect

Yes. Any metal that is attached to the frame. It should be cleaned with sandpaper or a wire brush first before you attempt to ground it.

Will this work well on positive ground 6 volt vehicles on do you have a netter tool

If you can hold the prong on the “positive ground” and somehow make a contact from an alligator clip to the wire you are trying to test... then yes. But definitely that’s a huge flaw of that device.

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⚡ Unlock the power of precision diagnostics — never miss a beat in your circuit game!

BUILT TO ENDURE - Acetate fiber construction ensures high toughness and shatter-proof durability for daily hustle.
EXTENDED REACH MASTERY - 140-inch PU spring wire lets you conquer hard-to-access circuits with ease and flexibility.
PIERCE PROBE LIKE A PRO - Sharp stainless steel probe designed to effortlessly pierce wires without damage.
PRECISION VOLTAGE INSIGHT - Experience pinpoint 0.1V accuracy on a crisp white backlit LCD for flawless diagnostics.
VERSATILE VOLTAGE COMPATIBILITY - Seamlessly test automotive and low voltage circuits from 3V up to 48V — your all-in-one tool.

The Jastool Heavy Duty 3-48V Digital LCD Circuit Tester is a professional-grade automotive and low voltage tester featuring a highly accurate 0.1V white backlit display, a durable stainless steel probe for wire piercing, and an extended 140-inch PU spring wire for easy access to hard-to-reach areas. Built with shatter-proof acetate fiber, it’s engineered for toughness and reliability in demanding environments.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

€ 81.68

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Slovakiastore

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TrustScore 4.5 | 7,300+ reviews

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Fantastic and great service. Shipping was faster than expected.

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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Manufacturer	Zhaohong Instruments
Part number	JTCVT-01B
Item Weight	222 g
Product Dimensions	33.02 x 10.16 x 3.81 cm; 222 g
Item model number	JTCVT-01B
Size	3-48V digital circuit tester
Colour	White
Style	Modern
Material	Stainless Steel
Power source type	Battery Powered
Item Package Quantity	1
Specification met	REACH
Batteries included?	No
Batteries Required?	No

Jastool Heavy Duty 3-48V Digital LCD Display Circuit Tester with 140 inch Extended Spring Wire,Car Truck Vehicles Low Voltage Tester,Automotive Test Light with Stainless Probe

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