How do you connect it to read engine temperature?

Remove the spark plug. Place the copper washer over the threaded portion of the plug and screw the plug back into the cylinder head. Tighten the plug with the appropriate torque.

Does this work with 2-cylinder engines, or just singles?

It works with: 2 stroke: 1 cylinder / 2cylinder / 3cylinder 4stroke:1 cylinder / 2cylinder / 3cylinder / 4cylinder / 5cylinder / 6cylinder / 8cylinder /12cylinder/16cylinder 6 stroke:2 cylinder Some 4 stroke 1 cylinder engine is 1P1R,the setting is the same way as the 2 stroke 1 cylinder engine.

How long are the wires on the temperature sensor ring cables? Only the length of the tach wire is shown.

The length of probe sensor wire is 58.5cm(approx.23.03 inches)

How do I know which model to get? The connections look different.

we think your model is HM035A-TS003, the temp sensor can measure the engine temperature especially easy to put it into engine radiator.

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Runleader Tach Hour Meter Engine Water/Oil Temp Gauge RL-HM035A-TS001

Runleader Tach Hour Meter Engine Water/Oil Temp Gauge RL-HM035A-TS001

Product ID: 487304088

Details

Brand
Runleader
Item Weight
60 g
Manufacturer
Ningbo Run Co.
Material
Glass Metal
Number of Items
1

⏱️0-999.99 hrs TOT & JOB tracking

⚙️0-25,000 RPM real-time readout

🌡️-20°C to 300°C temp monitoring

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Description

⏱️ Stay ahead of engine wear — track, alert, and maintain like a pro!

ADAPTIVE BACKLIGHT MODES - Green default backlight for night use, with red alert lighting and customizable always-on or auto modes.
ROBUST EASY INSTALLATION - Waterproof, shock-resistant design with versatile mounting options and replaceable battery for long-term reliability.
DYNAMIC RPM MONITORING ALERTS - Real-time RPM display with customizable alert thresholds to prevent engine over-revving.
ADVANCED TEMPERATURE SURVEILLANCE - Continuous water/oil temp tracking with max temp memory and high-temp alerts in °C/°F.
PRECISION ENGINE RUNTIME TRACKING - Monitor total and job hours with programmable previous hours for seamless maintenance scheduling.

The Runleader RL-HM035A-TS001 is a multifunctional engine hour meter and gauge that tracks total and job hours, monitors RPM up to 25,000, and measures water/oil temperature from -20°C to 300°C. Featuring programmable maintenance reminders, customizable backlight alerts, and a rugged waterproof design, it ensures precise engine management and longevity for professional-grade equipment.

Specifications

ASIN	B0B24FFJMQ
Best Sellers Rank	#17,482 in Automotive ( See Top 100 in Automotive ) #4 in Automotive Tachometers
Brand	Runleader
Brand Name	Runleader
Customer Reviews	3.9 out of 5 stars 35 Reviews
Item Weight	60 g
Manufacturer	Ningbo Jiangbei Run Leader Electronics Co., Ltd
Material	Glass, Metal, Plastic
Material Type	Glass, Metal, Plastic
Model	RL-HM035A-TS001
Number of Items	1
Part Number	HM035A

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1544715₫

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In stock

Sold byAmazon VietnamDelivered 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 Vietnam.

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TrustScore 4.5 | 7,300+ reviews

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