Best Wiring Harnesses Deals Online in the UK (10 Deals Found)

Last Updated - 01/02/2026 Sort By:

Best Choice
Safego

New
Safego Wiring Harness 12V, LED Light Bar Wiring Harness Kit with 12V/40A Relay On/Off Waterproof Switch, for Car LED Wor
【2 Leads with Switch】It’s a 2 leads led light bar wiring harness kit with switch, relay and fuse. Compared with 1 lead,

£12.88
Willpower

New
Willpower 12V LED Light Bar Wiring Harness Cable Kit, 10ft 18AWG, DC 40A, 3 Pin ON/OFF Power Rocker Switch, Relay Blade
Willpower Wiring Harness Kit comes with an 3-PIN ON/OFF rocker switch.

£12.99
WOWLED

New
WOWLED Wiring Harness Switch Relay Kit for Connecting 2 LED Truck Driving Light Bar SUV 4WD ATV
Switch, relays and fuse included

£13.99
Best Value
Eyourlife

New
Eyourlife Wiring Harness 300W Heavy Duty Wiring Harness Kit 12V/40A Fuse Relay On/Off Switch Relay 14AWG /8.2FT Off Road
Cable length: Up to 2.5 m/8.2 ft of wiring that is plenty of length to put it where you want.And blade fuse holder with

£15.90 £16.74
Eyourlife

New
Eyourlife DT 2 x 180W Fog Light Wiring Harness with On-Off Switch 12V 40A 3M/10Ft For LED Bar, Off-Road Vehicles, Boat c
Enhanced Visibility: The Eyourlife 180W cable for fog lights ensures maximum visibility in low-light conditions, increas

£19.59 £20.63
WOWLED

New
WOWLED High-end Wiring Harness Kit, LED Light Bar Wiring Harness Kit for Off Road Lights LED Light Bar with 12V 40A Rela
WOWLED Wiring Harness Kit: WOWLED Universal fit heavy duty Wiring Harness Kit for LED work Light bar max 240W. Waterproo

£18.99
Willpower

New
Willpower LED Wiring Harness Kit with Relay and Switch 12V 40A for Off Road Work Light
The heavy-duty single-lead LED off-road lighting wiring harness is designed and manufactured specifically for high outpu

£11.99
MICTUNING

New
MICTUNING Light Bar Wiring Kit,LED Light Bar Wiring Harness for Car Motor Lamps Waterproof 40A Relay ON-OFF Waterproof S
【Easy to Install】MICTUNING wiring harness kit with Waterproof Red on/off toggle switch and easy to install.

£13.89
Safego

New
LED Light Bar Wiring Harness 12V: Wiring Harness Kit with 40A Fuse Relay ON/OFF Waterproof Switch, 10ft 16AWG, for Car L
2 Leads with Switch: It’s a 2 leads led light bar wiring harness kit with switch, relay and fuse. Compared with 1 lead,

£15.99
24% Off
Kairiyard

New
Kairiyard LED Light Bar Wiring Harness Cable Motorcycle Auxiliary Lights 3M 480W 14AWG 3 Pins Wiring Waterproof LED Harn
【What Makes It Different to Others Wiring Harness?】This light bar wiring harness comes with a powerful switch of 3 chann

£15.19 £19.99

10 Wiring Harnesses deals are available from: Amazon stores, starting from £11.99.
The biggest discount we found is 24% on Kairiyard LED Light Bar Wiring Harness Cable Motorcycle Auxiliary Lights 3M 480W 14AWG 3 Pins Wiring Waterproof LED Harness With Relay and Switch Universal for Car SUV ATV Truck 1 Control 2 Lamps at Amazon.
The lowest price we found is £11.99 while the highest is £19.59.
Prices for the best Wiring Harnesses deals average at £15.14.
Last updated on February 1, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Wiring Harnesses.