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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Digital Tach Hour Meter Engine Temperature Gauge RL-HM035A-TS002 | Alert RPM & Temp,Backlights Display,For Lawn Tractor Compressor Generator,For Snowmobile Marine Jet Ski,For Pit Bike

Digital Tach Hour Meter Engine Temperature Gauge RL-HM035A-TS002 | Alert RPM & Temp,Backlights Display,For Lawn Tractor Compressor Generator,For Snowmobile Marine Jet Ski,For Pit Bike

Product ID: 318290599

Details

Brand
Runleader
Item Weight
60 g
Item dimensions L x W x H
1.46 inches
Material
Plastic
Number of Items
1

⏱️0-999.99 hrs TOT & JOB runtime tracking

⚙️0-25,000 RPM real-time engine speed readout

🌡️-20°C to 300°C engine temp monitoring

204.84 DT

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Description

⏱️ Stay ahead of engine wear — never miss a beat or a heat spike!

DYNAMIC RPM ALERTS - Real-time RPM display with customizable alert thresholds to prevent engine over-revving.
ADAPTIVE BACKLIGHT DISPLAY - Green & red backlights with auto, always-on, or off modes for perfect visibility day or night.
PRECISION RUNTIME TRACKING - Track total & job hours with programmable previous hours for flawless maintenance timing.
UNIVERSAL DURABLE DESIGN - Easy one-wire spark plug installation, water & shock resistant, fits lawn tractors to jet skis.
ADVANCED TEMPERATURE MONITORING - Instant and max engine temp readouts with alerts to avoid overheating disasters.

The Runleader RL-HM035A-TS002 is a versatile digital tach hour meter and engine temperature gauge designed for a wide range of gas engines including lawn tractors, compressors, generators, snowmobiles, marine jet skis, and pit bikes. It features precise total and job hour tracking up to 999.99 hours, real-time RPM monitoring up to 25,000 RPM with alert functions, and temperature sensing from -20°C to 300°C with overheat warnings. The device includes customizable backlighting for optimal visibility and is built for durability with water and shock resistance. Installation is simplified with a one-wire spark plug connection, making it an essential tool for proactive engine maintenance and performance monitoring.

Specifications

ASIN	B092CDSQ33
Best Sellers Rank	#10,018 in Automotive ( See Top 100 in Automotive ) #2 in Automotive Tachometers
Brand Name	Runleader
Customer Reviews	4.0 4.0 out of 5 stars (1,231)
Item Dimensions	1.46 inches
Item Weight	60 g
Manufacturer	Ningbo Jiangbei Run Leader Electronics Co., Ltd
Material Type	Plastic
Model	RL-HM035A
Part Number	RL-HM035A
Thread Style	Spark Plug Wire Wrap (One-wire)
UPC	723093900728

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204.84 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered 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 Tunisia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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1 month ago

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