Best relay harness for 2022

Finding your suitable relay harness is not easy. You may need consider between hundred or thousand products from many store. In this article, we make a short list of the best relay harness including detail information and customer reviews. Let’s find out which is your favorite one.

Product Features Editor's score Go to site
5 Pack - EPAuto 30/40 AMP Relay Harness Spdt 12V Bosch Style 5 Pack - EPAuto 30/40 AMP Relay Harness Spdt 12V Bosch Style
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5 PACK 40/30 AMP Waterproof Relay and Harness - Heavy Duty 12 AWG Wiring Harness - 12V DC 5-PIN SPDT Bosch Style Automotive Relay - MAX 14V DC 5 PACK 40/30 AMP Waterproof Relay and Harness - Heavy Duty 12 AWG Wiring Harness - 12V DC 5-PIN SPDT Bosch Style Automotive Relay - MAX 14V DC
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ONLINE LED STORE 6 Pack - 12V DC 40/30 Amp 5-Pin SPDT Automotive Relay Harness Set (Bosch Style with Interlocking Harnesses) ONLINE LED STORE 6 Pack - 12V DC 40/30 Amp 5-Pin SPDT Automotive Relay Harness Set (Bosch Style with Interlocking Harnesses)
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GOOACC 6 Pack Automotive Relay Harness Set 5-Pin 30/40A 12V SPDT with Interlocking Relay Socket and Harnesses,2 years Warranty GOOACC 6 Pack Automotive Relay Harness Set 5-Pin 30/40A 12V SPDT with Interlocking Relay Socket and Harnesses,2 years Warranty
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ONLINE LED STORE 40/30 Amp Waterproof Relay Switch Harness Set - 12V DC 5-Pin SPDT Automotive Relays 12 AWG Hot Wires ONLINE LED STORE 40/30 Amp Waterproof Relay Switch Harness Set - 12V DC 5-Pin SPDT Automotive Relays 12 AWG Hot Wires
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MICTUNING MIC-B1002 LED Light Bar Wiring Harness, Fuse 40A Relay On-off Waterproof Switch MICTUNING MIC-B1002 LED Light Bar Wiring Harness, Fuse 40A Relay On-off Waterproof Switch
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ONLINE LED STORE 5 Pack 12V 60/80 Amp Relay Switch Harness Set - HEAVY DUTY 5-Pin SPDT Automotive Relays 12 AWG Hot Wires ONLINE LED STORE 5 Pack 12V 60/80 Amp Relay Switch Harness Set - HEAVY DUTY 5-Pin SPDT Automotive Relays 12 AWG Hot Wires
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ONLINE LED STORE 5 Pack 40/30 Amp Waterproof Relay Switch Harness Set - 12V DC 5-Pin SPDT Automotive Relays 12 AWG Hot Wires ONLINE LED STORE 5 Pack 40/30 Amp Waterproof Relay Switch Harness Set - 12V DC 5-Pin SPDT Automotive Relays 12 AWG Hot Wires
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ONLINE LED STORE 10 Pack - Bosch Style 12V DC 5-PIN SPDT Interlocking Relay Socket Harness Base (With Wires) ONLINE LED STORE 10 Pack - Bosch Style 12V DC 5-PIN SPDT Interlocking Relay Socket Harness Base (With Wires)
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Parts Express 330-075 12 VDC 5-Pin Relay Socket For Bosch Type Relay Parts Express 330-075 12 VDC 5-Pin Relay Socket For Bosch Type Relay
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1. 5 Pack - EPAuto 30/40 AMP Relay Harness Spdt 12V Bosch Style

Feature

40A/30A high switching capability.
Heavy-duty impact molded relay socket with 5 WIRESWhite (common), Black (normally closed), and Yellow (normally open).
Package Include: 5 relays + 5 relay sockets with wires.
Safety UL Flame retardant 9" wires for the main contact.

Description

Contact Capacity:

Normal switching Capacity (res.load):
- NO 40A 14VDC
- NC 30A 14VDC
Max. switching current: 40A
Max. switching voltage: 30VDC
Max. switching power: 560W

Characteristic Data:

Initial contact resistance (at 6VDC 1A): 50m Max.
Operate time (at nominal volt.): 10 msec. Max.
Release time (at nominal volt.): 5 msec Max.
Initial insulation resistance: 100M Min. (DC500V)
Initial dielectric strength:
- Between open contacts: AC500V, 50/60 Hz 1Min.
- Between coil and contact: AC500V, 50/60 Hz 1Min.
Vibration resistance:
- Functional: 10 ~ 55Hz at double amplitude of 1.5 mm
- Destructive: 10 ~ 55Hz at double amplitude of 1.5 mm
Shock resistance:
- Functional: 20G Min.
- Destructive: 100G Min.
Endurance (operations):
- Mechanical (at 7,200 ops./h): 10,000,000
- Electrical (at 600 ops./h): 100,000
Ambient Temperature: -40C ~ +125C (no condensation)

2. 5 PACK 40/30 AMP Waterproof Relay and Harness - Heavy Duty 12 AWG Wiring Harness - 12V DC 5-PIN SPDT Bosch Style Automotive Relay - MAX 14V DC

Feature

12 Volt DC Relay - MAX 14V DC, 40a/30a high switching capability
Excellent waterproof performance, high quality in any weather conditions
Heavy Duty 12 AWG wiring harness - pin 30, pin 87, pin 87a
Relay harness length - total: 5.9 inch, available - 5.1 inch
2 Year warranty, 90-day money-back guarantee for all products. If you have any question, please feel free to contact us by email

Description

12 AWG Wiring Harness for the main contact - pin 30, pin 87, pin 87a
40A/30A high switching capability

12AWGPin 87Yellow
12AWGPin 87Blue
12AWGPin 30Red
16AWGPin 85Black
16AWGPin 86White

Specifications:
Coil Voltage: 12V DC
Coil Current: 160 mA
Switching Voltage: 14V DC Max
Contact Current Rating:
- NO 40A 14V DC
- NC 30A 14V DC

Ambient Temperature: -40 ~ +125 degree C (no condensation)
Initial contact resistance (at 6VDC 1A): 50m Max.
Initial insulation resistance: 100M Min. (DC500V)
Initial dielectric strength:
- Between open contacts: AC500V, 50/60 Hz 1Min.
- Between coil and contact: AC500V, 50/60 Hz 1Min.
Endurance (operations):
- Mechanical (at 7,200 ops./h): 10,000,000
- Electrical (at 600 ops./h): 100,000

Package Content: 5 x 5-PIN SPDT Relay and harness

Please Note:
--- Easy to mount - No instructions were included - You do need to know a little about electrical.
--- For your and others' safety, let professional technicians to install the equipment.

3. ONLINE LED STORE 6 Pack - 12V DC 40/30 Amp 5-Pin SPDT Automotive Relay Harness Set (Bosch Style with Interlocking Harnesses)

Feature

User Manual available for download under Product Information Details
Bosch style 12VDC (14V Max) 5-Pin SPDT (Single Pole Double Throw) Relay with 40A/30A High Switching Capability.
Interlocking design relay socket harness base for easy cable management & organization.
Heavy duty 14AWG wires for the main contact and pre-wired with 6" pigtail leads.
Wire Specifications: Black - Ground (85), Red - VDC (30), White - Trigger (86), Yellow - Output N/C (87a), and Blue - Output N/O (87).

Description

A pack of six Bosch style 5 pin SPDT 12V, 40/30 Amp electrical relay with pre-wired relay socket harness. This relay has a universal application and can be used in automotive setups, car sound systems, security systems, and various other applications. Relay comes with mounting tab for easy installation. The interlocking design on the harness allows multiple harnesses to be coupled together for organization and ease of setup.

Interchangeable/Compatible with:
All automobiles and devices equipped with a 12 Volt DC power source.

Features:

  • Bosch style 5-Pin SPDT (Single Pole Double Throw) Relay with 40A/30A High Switching Capability.
  • Interlocking design relay socket harness base for easy cable management & organization.
  • Pre-wired with 6" pigtail leads.
  • Wire Specifications: Black - Ground (85), Red - VDC (30), White - Trigger (86), Yellow - Output N/C (87a), and Blue - Output N/O (87).
  • Instruction Manual Included

Product Content:

  • 6 x Relay

1 Year Warranty

Have a Question? Call Us Toll Free 1-855-LED-ONLINE (1-855-533-6654)

4. GOOACC 6 Pack Automotive Relay Harness Set 5-Pin 30/40A 12V SPDT with Interlocking Relay Socket and Harnesses,2 years Warranty

Feature

HIGH SWITCHING CAPABILITY: 5-Pin SPDT (Single Pole Double Throw) 30/40 A Relay.
INTERLOCKING RELAY SOCKET: The relay socket harness base is interlocking designed for easy cable management and organization.
GREAT QUALITY: The durable relay and heavy duty relay socket with 5 wires are made by high-grade materials to ensure superior quality.
WIRE INSTRUCTION: Black - (85), Red - (87a), White - (86), Yellow - (87) and Blue - (30).
PACKAGE INCLUDE: 6 relays & 6 relay sockets with wires

Description

GOOACC 12V 5 Pin Relay with Harness Socket
Relay is an electrical control device that usually used in automatic control circuit.
The relay in fact is an automatic switch which uses a smaller current to control a larger current.
In the circuit, it functions as automatic adjustment, security protection and conversion circuit.

Application
Compatible with almost all automobiles and devices equipped with a 12 V DC power supply.
Wide range of use, can be used in automotive setup, seat warming, vehicle lighting system, car sound system and various other applications.

Contact Capacity
Normal Switching Capacity (Resistance load)

NO (Normal Open) 40A 14VDC
NC (Normal Closed) 30A 14VDC
Max. Switching Current 40A
Max. Switching Voltage 30VDC
Max. Switching Power 560W

Performance Parameter
Contact Material Silver Alloy
Contact Resistance 50m Max.
Operate time (at nominal volt.) 10 msec. Max.
Release time (at nominal volt.) 5 msec. Max.
Insulation Resistance 100M Min. (DC500V)
Dielectric Strength
Between open contacts AC500V, 5060 Hz 1Min.
Between coil and contact AC500V, 5060 Hz 1Min.
Vibration Resistance Acceleration of 6g, 10-55Hz
Shock Resistance Acceleration of 30g, 10-55Hz
Endurance (operations)
Mechanical (at 10,800 ops.h) 10,000,000
Electrical (at 900 ops.h) 100,000
Ambient Temperature -40C ~ +125C (no condensation)

5. ONLINE LED STORE 40/30 Amp Waterproof Relay Switch Harness Set - 12V DC 5-Pin SPDT Automotive Relays 12 AWG Hot Wires

Feature

User Manual available for download under Product Information Details
Waterproof construction & heavy duty 12AWG wires for the main contact.
Bosch style 5-Pin SPDT (Single Pole Double Throw) Relay.
12VDC (14V Max) and 40A/30A High Switching Capability.
Wire Specifications: Black - Ground (85), Red - VDC (30), White - Trigger (86), Yellow - Output N/C (87a), and Blue - Output N/O (87).

Description

The OLS PSZACCEPS177R 5-pin Bosch Style SPDT 12V DC 40A/30A waterproof automotive relay is the ideal electrical relay to be used on off-road vehicles, boats, and dirt track cars that are often exposed to wet or muddy conditions. The purchase includes the relay itself and a relay socket/harness with wires. Metal mounting tab is present on the relay for ease of installation.

Interchangeable/Compatible with:
All automobiles and devices equipped with a 12 Volt DC power source.

Features:

  • Waterproof construction.
  • Bosch style 5-Pin SPDT (Single Pole Double Throw) Relay.
  • 40A/30A High Switching Capability.
  • Wire Specifications: Black - Ground (85), Red - VDC (30), White - Trigger (86), Yellow - Output N/C (87a), and Blue - Output N/O (87).

Product Content:

  • 1 x Relay

1 Year Manufacturer Warranty

Have a Question? Call Us Toll Free 1-855-LED-ONLINE (1-855-533-6654)

6. MICTUNING MIC-B1002 LED Light Bar Wiring Harness, Fuse 40A Relay On-off Waterproof Switch

Feature

MICTUNING MIC-B1002 wiring harness kit with Waterproof Red on/off toggle switch and easy to install.
Details Makes Perfect:adopt flexible strand copper wire,up to 180 watt load capacity.It is universal fit for any 7" 10" 12" 20" 30" 40" light bars that is within 180w.
Great Construction:40A Power Relay and Inline Blade Fuse for multiple safety protection.With 2 lights output connections,it can hook with 2 led work light or 2 small watt led light bar and any else off road LEDs.
10FT Extendable Wiring Harness:up to 10ft of wiring that is plenty of length to put it where you want.
CAUTIONs:We recommend professional installation,pls let professinal installer to wire the harness kit; If let the wire short circuit,the harness would melt and even caught a fire,We suggest that wrap all exposed wire with electrical tape to avoid a short circuit; Pls make sure your light within power 180W, or it would got melt as well.

Description

MICTUNING Wiring Harness for off road led lights is a perfect accessory for off road vehicles, working vehicles and any automobile that could use a relay to power specific equipment.
This wiring harness is up to 10 feet and with 2 leads can hook up 2 light fixtures,it is universal fit for any 7" 10" 12" 20" 30" 40" light bars,espcially good for light bar within 180w.
For light bar above 180w,we recommend you choose our MICTUNING Heavy Duty(HD) wiring harness for better job.

Great Construction
Quality wiring material - UL approved.
illuminated on/off toggle switch - can easily turn on/off the lights.
Inline blade fuse & 40A relay - multiple safety protection.
Universal Fit - compatible with all automobiles,Boats and devices equipped with a 10-30v power source.

Quick & Easy Install
1. Connect the red+ wire from the fuse to battery +; connect the black wire from the relay to the battery -;
2. Connect the white+;black- wire from the relay to light bar(red/black correspond to the wire of lights bar) ;
3. Connect the red+/black- wire of the switch to battery or any place of your car system to get power for the switch;
4. Turn on on/off button of switch to test the lights bar.

What you'll get:
1 Yr MICTUNING Warranty and lifetime Friendly Customer Service. Package included:1 x wiring harness full wiring kit,1 x Diagram.

7. ONLINE LED STORE 5 Pack 12V 60/80 Amp Relay Switch Harness Set - HEAVY DUTY 5-Pin SPDT Automotive Relays 12 AWG Hot Wires

Feature

User Manual available for download under Product Information Details
Bosch style 5-Pin SPDT (Single Pole Double Throw) Relay.
80A/60A High Switching Capability.
Wire Specifications: Black - Ground (85), Red - VDC (30), White - Trigger (86), Yellow - Output N/C (87a), and Blue - Output N/O (87).
Set includes 5 relays and 5 relay harnesses.

Description

The OLS PSZACCEPS180R Heavy Duty 5-pin SPDT Bosch style relay is rated to handle 80 amps of load at 12V DC in the normally open position, and 60 amps of load at 12V DC in the normally closed position. The spade terminals for the main contacts are sized at 3/8 inch, ensuring the capability of the relay to handle high current loads. These heavy duty relays are offered with relay socket/harness, which features interlocking mechanism for ease of installation. Metal tabs are present on the relay for secure mounting. Set includes 5 relays and 5 relay harnesses.

Interchangeable/Compatible with:
All automobiles and devices equipped with a 12 Volt DC power source.

Features:

  • Bosch style 5-Pin SPDT (Single Pole Double Throw) Relay.
  • 80A/60A High Switching Capability.
  • Wire Specifications: Black - Ground (85), Red - VDC (30), White - Trigger (86), Yellow - Output N/C (87a), and Blue - Output N/O (87).
  • Set includes 5 relays and 5 relay harnesses.

Product Content:

  • 5 x Relays

1 Year Manufacturer Warranty

Have a Question? Call Us Toll Free 1-855-LED-ONLINE (1-855-533-6654)

8. ONLINE LED STORE 5 Pack 40/30 Amp Waterproof Relay Switch Harness Set - 12V DC 5-Pin SPDT Automotive Relays 12 AWG Hot Wires

Feature

User Manual available for download under Product Information Details
Waterproof construction & heavy duty 12AWG wires for the main contact.
Bosch style 5-Pin SPDT (Single Pole Double Throw) Relay.
12VDC (14V Max) and 40A/30A High Switching Capability.
Wire Specifications: Black - Ground (85), Red - VDC (30), White - Trigger (86), Yellow - Output N/C (87a), and Blue - Output N/O (87).

Description

The OLS PSZACCEPS178R 5-pin Bosch Style SPDT 12V DC 40A/30A waterproof automotive relay is the ideal electrical relay to be used on off-road vehicles, boats, and dirt track cars that are often exposed to wet or muddy conditions. The purchase includes the relay itself and a relay socket/harness with wires. Metal mounting tab is present on the relay for ease of installation. Set includes 5 relays and 5 relay harness.

Interchangeable/Compatible with:
All automobiles and devices equipped with a 12 Volt DC power source.

Features:

  • Waterproof construction.
  • Bosch style 5-Pin SPDT (Single Pole Double Throw) Relay.
  • 40A/30A High Switching Capability.
  • Wire Specifications: Black - Ground (85), Red - VDC (30), White - Trigger (86), Yellow - Output N/C (87a), and Blue - Output N/O (87).

Product Content:

  • 5 x Relays

1 Year Manufacturer Warranty

Have a Question? Call Us Toll Free 1-855-LED-ONLINE (1-855-533-6654)

9. ONLINE LED STORE 10 Pack - Bosch Style 12V DC 5-PIN SPDT Interlocking Relay Socket Harness Base (With Wires)

Feature

User Manual available for download under Product Information Details
Interlocking design for easy cable management & organization.
Fits 5-Pin Bosch style SPDT relays.
Heavy duty 14AWG wires for the main contact and pre-wired with 6" pigtail leads.
Wire Specifications: Black - Ground (85), Red - VDC (30), White - Trigger (86), Yellow - Output N/C (87a), and Blue - Output N/O (87).; 10pc Included

Description

This pre-wired relay socket harness is to be used with 12V Bosch style five pin relays. Compatible with SPDT relays. The interlocking design allows multiple harnesses to be coupled together for organization and ease of setup.

Interchangeable/Compatible with:
All automobiles and devices equipped with a 12 Volt DC power source.

Features:

  • Interlocking design for easy cable management & organization.
  • Fits 5-Pin Bosch style SPDT relays.
  • Pre-wired with 6" pigtail leads.
  • Wire Specifications: Black - Ground (85), Red - VDC (30), White - Trigger (86), Yellow - Output N/C (87a), and Blue - Output N/O (87).

Product Content:

  • 10 x Relay

1 Year Warranty

Have a Question? Call Us Toll Free 1-855-LED-ONLINE (1-855-533-6654)

10. Parts Express 330-075 12 VDC 5-Pin Relay Socket For Bosch Type Relay

Feature

Pre-wired relay socket for use with 12 VDC Bosch type five terminal relays
For all applications including door lock, light flasher, starter kill, remote start circuits, and much more

Description

Pre-wired relay socket for use with 12 VDC Bosch type five terminal relays. For all applications including door lock, light flasher, starter kill, remote start circuits, and much more.

Conclusion

All above are our suggestions for relay harness. This might not suit you, so we prefer that you read all detail information also customer reviews to choose yours. Please also help to share your experience when using relay harness with us by comment in this post. Thank you!

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