Will this tachometer work with positive ground battery?

I tried several ways to ground it. It will not give a good reading. It jumps all over the place but the correct reading.

Will this work for single cylinder 4 stroke motor (mule 610)?

NOTICE Q is about a Tach, but the amswer is about pressure. Why is thereno relative answer? I need a Tach for my single cylinder Go Cart, but I can't purchase here due to the lack of relative information given.

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ESUPPORT Car 2" 52mm Digital Volt Voltage Gauge Blue LED

ESUPPORT Car 2" 52mm Digital Volt Voltage Gauge Blue LED

Product ID: 19450522

Details

Brand
ESUPPORT
Item Weight
1.58 Ounces
Item dimensions L x W x H
2.05 x 2.05
Material
Nylon Rubber
UPC
711041558343

⚡Voltage range up to 15V

📏2"/52mm compact size

🔵Blue LED high visibility

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€ 31.93

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Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Stay Powered, Stay Ahead: The Volt Gauge Every Millennial Manager Needs

CRITICAL LOW VOLTAGE ALERT - Built-in warning light activates below 11.5V to protect your vehicle’s battery health.
DURABLE LIGHTWEIGHT DESIGN - Crafted with nylon and rubber for resilience without adding bulk.
PRECISION IN A COMPACT FRAME - Sleek 2-inch diameter fits seamlessly into any dashboard setup.
EYE CATCHING BLUE LED DISPLAY - Bright, clear readouts ensure you never miss a voltage dip or spike, even at night.
PROFESSIONAL GRADE VOLTAGE MONITORING - Accurately measures DC 10-15V, perfect for 12V automotive systems.

The ESUPPORT 2" (52mm) Digital Volt Voltage Gauge features a vibrant blue LED display and a critical low voltage warning light below 11.5V. Designed for 12V automotive systems, it offers precise voltage readings up to 15V in a compact, durable nylon and rubber housing. Ideal for professionals who demand reliable, real-time battery monitoring with a sleek, modern look.

Specifications

ASIN	B00T2NTWUA
Best Sellers Rank	#28,367 in Automotive ( See Top 100 in Automotive ) #85 in Automotive Voltmeter Gauges
Brand Name	ESUPPORT
Customer Reviews	4.4 4.4 out of 5 stars (557)
Item Dimensions	2.05 x 2.05 inches
Item Weight	1.58 Ounces
Manufacturer	ESUPPORT
Material Type	Nylon, Rubber
Model	CXC01713
Part Number	CXC01713
UPC	711041558343

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How is product pricing calculated?+

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.

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TrustScore 4.5 | 7,300+ reviews

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€ 31.93

Duties & taxes included

In stock

Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Italy.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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