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A transmission relay is a critical electrical component that controls the flow of power to your vehicle's transmission. When it malfunctions, it can lead to shifting problems, stalling, or a complete loss of drive. Ensuring you select a high-quality replacement is essential for restoring your car's performance and preventing further damage.
Integrated Diode: Each relay includes a built-in diode that suppresses induced voltage during switching, safeguarding your electrical components from potential damage.
Small size/Low power consumption/High contact voltage/ High sensitivity.
Contact Material: Ag Alloy / Contact Resistance: ≤ 100MΩ.
Minimum operating voltage 8V, corresponding minimum operating current is 100mA; Standard operating voltage 12V, corresponding standard operating current is 150mA.
Life Expectancy Electrical: 100,000 Operation, Life Expectancy Mechanical: 10,000,000 Operation.
Automotive Relay: The 36860-2A800 is a high-performance relay designed specifically for automotive applications, boasting reliability and stability.
12VDC Voltage: Operating on a 12VDC design, it is suitable for a variety of automotive systems, ensuring efficient power transmission.
70A Rated Current: With a 70A rated current, it can handle larger power loads, meeting high-power demands.
4-Pin Structure: Featuring a simple 4-pin design, it provides a convenient electrical connection solution, facilitating installation and maintenance.
Versatile Applications: Beyond conventional automotive uses, the 36860-2A800 is suitable for a wide range of fields, showcasing its broad applicability.
Never go beyond its capabilities. Try to stay 10 to 15% below what the rate is for
12-volt 5-prong relay. Excellent water-repellent and dustproof ability, but not using it in water
Be careful when inserting the relay into the socket. If you force it, you will bend the female connectors
Primary leads use 12 a.w.g tinned copper wire. Coil leads use 16 a.w.g
Nominal Coil Voltage: 12 V DC; Coil Power: 1.8 W; Coil Resistance: 80 Ω; Must Operate Voltage: 6~8 V DC; Must Release Voltage: 0.6~3.6 V DC; Maximum Applied Voltage: 15.6 V DC
Last update on 2026-07-18 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Automotive Replacement Transmission Relays
Vehicle Compatibility
Crucial First Step: Always verify that the replacement relay is compatible with your vehicle's make, model, and year. Even within the same manufacturer, different models can use distinct relay types.
Consult Your Manual: Your car's owner's manual or a reputable online parts catalog will list the exact part numbers or specifications required.
Relay Quality and Brand Reputation
OEM vs. Aftermarket: Original Equipment Manufacturer (OEM) parts are designed specifically for your vehicle. High-quality aftermarket options can also be reliable, but research the brand's reputation for durability and performance.
Material and Construction: Look for relays made with durable materials and robust internal components to ensure longevity and consistent operation under various driving conditions.
Electrical Specifications
Voltage and Amperage: Ensure the replacement relay matches the original's voltage and amperage ratings to prevent electrical system damage.
Pin Configuration: The number and arrangement of pins must precisely match the original relay's socket for a proper connection.
Frequently Asked Questions
What are the symptoms of a bad transmission relay?
Common signs include difficulty shifting gears, the transmission not engaging, sudden loss of power while driving, or warning lights on the dashboard related to the transmission. In severe cases, the vehicle may not move at all.
Can I drive my car with a faulty transmission relay?
It is generally not recommended to drive with a known faulty transmission relay. Continued operation can potentially cause more significant damage to the transmission system and lead to more costly repairs.
How often should a transmission relay be replaced?
Transmission relays are typically not a routine maintenance item and are replaced only when they fail. Their lifespan depends on vehicle usage, electrical system health, and the quality of the component itself.
Is it difficult to replace a transmission relay?
Replacing a transmission relay can range from simple to moderately difficult, depending on its location in the vehicle's fuse box or engine compartment. Some are easily accessible, while others may require removing other components.
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