Is this flasher realy on/off at all times once power is supplied to unit?

First of all it is not a flasher relay as does not have a timer installed inside it is a standard relay with normally closed or open contacts and when power supplied to it the contacts will operate depending on which tab you have wired to will make or break the supply to the device being powered I use for switching vac pumps on braking systems for locos on a small railway.

Is this a latching relay? Push a button to start, then push a button to stop?

noo. you don't have to push any button , it start automatically and stop automatically ,, ( by current )

Will it be able to switch a 36v main with a 12v signal input?

It's rated 12 volts so unlikely. Fine for car spot lights or in my case heated windscreen.

From what I know of relays, the diagram on this listing shows incorrect wiring. Can you confirm please?

Hello, the diagram on this listing shows is correct, pin85 and pin86 can connect battery and ground in reverse

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Gebildet 2pcs JD1914 Car Relay Harness 12V 40A 5 Pin SPDT 12AWG Harness Sockets with Built-in Diode for Automotive Truck Van Motorcycle Boat

Gebildet 2pcs JD1914 Car Relay Harness 12V 40A 5 Pin SPDT 12AWG Harness Sockets with Built-in Diode for Automotive Truck Van Motorcycle Boat

Product ID: 58831489

Details

Connector type
5 pin
Contact material
Silver
Contact type
spdt
Current rating
40 Amps
Mounting type
Socket Mount

⚡40A high current capacity

🔋12V standard automotive voltage

⏱️≤15ms ultra-fast switching

¥3921

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power up your ride with precision and speed — don’t get left behind!

RAPID RESPONSE TIME - Switches in under 15 milliseconds, giving your vehicle’s electrical system lightning-fast performance.
UNMATCHED DURABILITY - Engineered for 10 million mechanical and 100,000 electrical operations—built to outlast your adventures.
BUILT IN DIODE PROTECTION - Safeguards your vehicle’s electronics from voltage spikes, ensuring longevity and reliability.
PREMIUM SILVER ALLOY CONTACTS - Delivers ultra-low resistance (≤100mΩ) for efficient power transfer and minimal energy loss.
ROBUST 12 AWG HARNESS SOCKET - Heavy-duty wiring designed for seamless integration with cars, trucks, motorcycles, and boats.

The Gebildet JD1914 Car Relay Harness is a high-performance 12V 40A 5-pin SPDT relay with an integrated diode for voltage spike protection. Featuring premium silver alloy contacts and a durable 12AWG harness, it supports rapid switching times (≤15ms) and boasts an exceptional lifespan of up to 10 million mechanical cycles. Perfectly compatible with automotive, truck, motorcycle, and boat electrical systems, this relay harness ensures reliable, efficient power management for demanding applications.

Specifications

ASIN	B0778J4WQW
Best Sellers Rank	1,488 in Automotive ( See Top 100 in Automotive ) 3 in Car Relays
Brand	Gebildet
Coil Resistance	1.8E+2 Ohms
Coil Voltage	12 Volts (DC)
Connector Type	5 pin
Connector type	5 pin
Contact Current Rating	40 Amps
Contact Material	Silver
Contact Type	spdt
Contact material	Silver
Contact type	spdt
Country Of Origin	China
Current Rating	40 Amps
Current rating	40 Amps
Customer Reviews	4.7 out of 5 stars 977 Reviews
Manufacturer	Gebildet
Manufacturer Part Number	DE080
Minimum Switching Voltage	8 Volts
Model Number	DE080
Mounting Type	Socket Mount
Mounting type	Socket Mount
Operating Time	0.03 Seconds
Operation Mode	Automatic
Release Time	0.01 Seconds
Wattage	1.8 watts

Reviews

A**5

Perfect.

Used on the electrics of our camper van; look to be well made with decent quality connector sockets and cable. Works well so far with no issues switching 30 amps.

11.06.2026

K**E

Excellent product

15.07.2026

P**D

Quality item.

Quality item, fitted perfectly. Thanks

29.03.2026

S**H

Perfect

Worked perfectly

11.07.2026

N**E

Pre wired for easy installation.

Excellent product. Just what I needed for the electrics on my motor home.

2.12.2025

N**K

Good value

Does exactly what it should do, good robust holders with good gauge cables. Good value and easy to use

21.02.2026

N**N

Very good

Very good item would recommend

13.07.2025

M**H

Doesn't fix the hyper flashlight on led bulbs!

This Relay doesn't fix the hyper flashing iessues on led bulb lights! So if your indicators are flashing to fast, this will not fix the iessue!

3.03.2025

B**W

Top 👍

Schnell geliefert, alles top

9.06.2026

M**N

Parfait !

8.01.2024

A**E

Prima artikel

👍

26.07.2022

C**N

Sin problema . . .

Todo perfecto. Buena calidad . . .

11.07.2026

G**I

Rele per azionamento pompa acqua

Funzionamento perfetto

22.06.2026

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¥3921

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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Received my product in pristine condition. Great service overall.

1 month ago

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