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The Best 4 prong relay diagram of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 4 prong relay diagram of 2022. Check our ranking below.

2,921 (random num) Reviews Scanned

Rank No. #1
Gebildet JD1912 Car Relay Harness 12V 40A 4 Pin SPST 12AWG Harness Sockets with Color-Labeled Wires for Automotive Truck Van Motorcycle Boat (Pack of 2)
  • Brand new heavy duty SPST(Single Pole Single Throw) relays with color-labeled wires.
  • Minimum operating voltage 8V, corresponding minimum operating current is 100mA; Standard operating voltage 12V, corresponding standard operating current is 150mA.
  • Small size/Low power consumption/High contact voltage/ High sensitivity.
  • Contact Material: Ag Alloy / Contact Resistance: ≤ 100MΩ.
  • Life Expectancy Electrical: 100,000 Operation, Life Expectancy Mechanical: 10,000,000 Operation.
Rank No. #2
BOSCH 0332019110 Normal Open Mini Relay - 4 Pins, 12 V, 30 A - Single
  • 4 Pins, 12 Volts, 30 Amp Resistor
  • Normal Open Mini Relays
  • Long service life- made possible through meticulous processing and the use of high-quality materials allowing up to 250,000 switching cycles
  • Designed to wistand tempeeratures ranging from -40 F to up to 212 F
  • Black color with a bracket
Rank No. #3
irhapsody 4-PIN 40/30AMP 12V DC Waterproof Relay with Harness - Heavy Duty 12 AWG Tinned Copper Wires, 1 Pack SPST Automotive Relay
  • Never go beyond its capabilities. Try to stay 10 to 15% below what the rate is for
  • 12-volt 4-prong relay. Excellent water-repellent and dustproof ability, but not using it in water
  • For the people whose relays are burning, please make sure you are making tight connections (especially on the load wires), read the specs on the item description, and ensure that the operating environment meets the safety requirements of the relay
  • Be careful when inserting the relay into the socket. If you force it, you will bend the female connectors
  • Thick 12 gauge wire for the load terminals. Easy to install just make sure you follow the wiring diagram. Works for both positive and negative activation
Rank No. #4
YiePhiot 2 Pack Car Relay 4 Pin 12V 40 Amp Model No : JD2912-1H-12VDC 40A 14VDC, Car Relay Switch Auto Switches & Starters
  • Brand new Car Relay 4 Pin 12v 40amp Model No : JD2912-1H-12VDC 40A 14VDC
  • Use optional Relay Harness, or female Crimp Connectors
  • Hundreds of uses include- starter kills, domelight supervision, trunk release, polarity change,power door lock/actuator control, change a low current output to high current,add ignition/accessory outputs, control motors/other electronics, It is Also suitable for automobile used for control, alarms, horn, headlight and more....
  • Package Include: 2 x 40A 4-Pin 12V Vehicle Relays,
  • Mechanical life of 10,000+ cycles
Rank No. #5
irhapsody 12vdc 40amp 4-pin Replacement Relay, 5pcs SPST Automotive Starter Relays
  • Plug-and-play style
  • The relay housing is made of fire-retardant material
  • Universal OEM replacement relay. Works for a car alarm, ABS, AC, remote start, headlight, LED light, fan, Speakers, fuel pump, Air Conditioning or upgraded horn
  • It is used to switch single- or dual-speed fan motors. Compact, fully enclosed design for powerful heating and cooling applications
SaleRank No. #6
irhapsody 4-pin 40/30AMP 12V Relay Kit, Spst 12-Volt 6-Pack Automotive Relay, with Interlocking Harness Socket Holder and Heavy-Duty Pigtail
  • Never go beyond its capabilities. Try to stay 10 to 15% below what the rate is for
  • 12-volt 4-prong relay, Primary leads use 12 a.w.g tinned copper wire. Coil leads use 16 a.w.g
  • Package includes: 6 relays + 6 relay sockets with wires
  • Nominal Coil Voltage: 12vdc; Coil Power: 1.8W; Coil Resistance: 80Ω
  • Must Operate Voltage: 6~8vdc; Must Release Voltage: 0.6~3.6vdc; Maximum Applied Voltage: 15.6vdc
Rank No. #7
EHDIS Car Relay 4 Pin 12v 40amp Spst Model No.: JD2912-1H-12VDC 40A 14VDC, Auto Switches & Starters,Pack of 2
  • Heavy duty 4-prongs SPST relays, jd1912 12v 40a relay
  • Use optional Relay Harness, or female Crimp Connectors
  • High 40A coil capacity- able to handle those high current applications with ease
  • Package Include: 2 x 40A 4-Pin 12V Vehicle Relays
  • The Automotive relay is suitable for normal automobile use and simple to operate, you just need to connect the relay with the wire, no other tools needed, convenient for your use and replace, allowing your components to work properly
Rank No. #8
EHDIS 4-Pin Car Relay 24V 80A Relay On/Off Normally Open Car Truck Boat SPST Relays High Power Model JD2912-1H-24VDC 80A 28VDC,Pack of 2
  • Car Relay Part Number :JD2912-1H-24VDC 80A 28VDC
  • Contact Type: SPST (Normal Open); Pin Number: 4 Pin Coil: 24VDC 80A
  • General purpose applications for automotive in power.
  • 4 Pin Automotive Electrical Relay: Work with vehicle electronics to help optimize vehicle capabilities
  • Package Content: 2 Pcs x Car Relay
Rank No. #9
4 Pack High Power 4 Pin Fuse Box Relay # 13500114/8385 Compatible for GM Gray
  • OEM GM 4-Pin Relay 13500114 High Power 4 Terminal Multi-Use Relay 8385
  • Replace for Part number: 13500114, 12135170, 12088567,13502679.
  • OEM GM 13500114/ 8385、9815 power relay assembly are made of quality materials, which are durable, sturdy to use, not easy to break, corrosion-resistant, and they can support you a long time service, and they can be applied to replace and repair AC relays
  • These 13500114 starter relay can be commonly applied for A/C compressors Fan Motor, starters, headlights, horns, Ignition, fog lamp, headlamp, fans, rear window defroster, blower motor, cargo light, driving light, oxygen (O2) sensor relay, fuel pump/ circuit opening relay and other accessories
  • After a comprehensive test before shipment, we provide a 12-month warranty.
Rank No. #10
4 Pack 12V DC Waterproof Relay and Harness 40/30 AMP Heavy Duty 12 AWG Tinned Copper Wires 5-PIN SPDT Automotive Relay
  • ✦ 【Specification】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
  • ✦ 【Include】: 4 PCS 12 V DC waterproof relay and harness as picture.
  • ✦ 【12-volt 5-prong relay】:All 5 terminals are sealed more stable. 30 Amps, 40 Amps Current Rating.
  • ✦ 【Tinned copper wires】Good electrical conductivity and corrosion resistance,Stronger oxidation resistance; Good sealing feature & Excellent waterproof and dustproof performance. Plug and play: Easy to install follow the wiring diagram. Works for both positive and negative activation.
  • ✦ 【12-volt 5-prong relay.】 12AWG Tinned Copper Wire & 16AWG Tinned Copper Wire : Yellow was Pin 86; Red was Pin 85; Blue was Pin 87;White was Pin 87a; Black is Pin 30

Last update on 2025-03-18 / Affiliate links / Images from Amazon Product Advertising API

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  3. Specifications: How powerful they are can be measured.
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  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 4 prong relay diagram.
  7. Product Quality: You don’t always get what you pay for with an 4 prong relay diagram, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 4 prong relay diagram is should be an indication of how long it will work out for you.

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FAQ:

Q: What do the lines at a 4 prong relay diagram mean?

A: According to previous, the lines at a 4 Prong Relay Wiring Diagram signifies wires. At times, the cables will cross. But, it does not mean connection between the cables. Injunction of two wires is usually indicated by black dot in the junction of two lines.

Q: What is the size of the relay 4 pin wiring diagram?

A: Description : Relay Diagrams – Pirate4X4 : 4X4 And Off-Road Forum inside Relay 4 Pin Wiring Diagram, image size 640 X 480 px, and to view image details please click the image. Here is a picture gallery about relay 4 pin wiring diagram complete with the description of the image, please find the image you need.

Q: What are the 4 pins on a headlight relay?

A: Each of the 4 pins of the relay has different numbers mentioned on it that you’ll probably see on the one you’ve recently brought. These include Pins 87, 86, 85, and 30. We will connect the positive red wire coming from the front lights of the vehicle; we talked about earlier, to pin number 87 of the relay.

Q: How to wire the relay for the driving light?

A: 1. Identify the wires of Headlights: The first step in order to wire the relay for the driving light is to identify the wires coming out of the driving lights. Normally, there are two wires connected to these lights out of which, one is the power wire, normally having a red color, and another one will be ground wire black in color.

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