Light Accessories and Wiring

Complete your lighting project with the right wiring and accessories. This collection brings together the harnesses, relays, switches, connectors, and hardware you need to install, upgrade, or repair automotive lights safely and reliably. Whether you’re wiring a set of off-road LEDs or refreshing factory fog lights, we’ve sourced components that stand up to underhood heat, vibration, and weather.

Every part is built for easy installation and long-term durability:

  • Wiring harnesses – pre-wired kits with fuse protection
  • Relays and switches – handle higher current loads without overloading stock circuits
  • Connectors and terminals – secure, weather-resistant connections
  • Mounting brackets and hardware – position lights exactly where you need them
  • Bulbs and adapters – upgrade output with factory-fit replacements

No matter the vehicle, you’ll find the bits and pieces that make a clean, professional installation possible.

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Diode Dynamics D-Switch 8-button backlit switch panel and solid-state controller module with wiring harness

$599.95

Low in stock
Diode Dynamics C2R 3-in-1 LED 4th brake light and reverse light pod for 2022-2025 Subaru WRX

$219.95

In stock
Diode Dynamics Stage Series SSC1 LED reverse pod mounted in a 2022-2024 Ford Maverick trailer hitch receiver.

$139.95

In stock
Four black Diode Dynamics Stage Series LED rock light pods with complete wiring harness and mounting hardware.

$299.95

In stock
Diode Dynamics Stage Series C2 Sport LED reverse light pods and wiring harness for 2019-2024 Ram 1500.

$259.95

In stock
Black polyurethane overmolded magnetic mount adapter for Diode Dynamics Stage Series Rock Lights.

$19.95

In stock
Diode Dynamics C2 Pro Stage Series reverse light kit with LED pods and wiring harness for 2022-2024 Toyota Tundra.

$379.95

In stock
Yellow polycarbonate replacement lens for Diode Dynamics SS3 LED pod featuring SAE Fog optics and integrated O-ring.

$29.95

In stock
Pair of Diode Dynamics smoked lens LED sequential sidemarkers for 2020-2023 GMC Sierra 2500 HD.

$399.95

In stock
Diode Dynamics smoked lens LED sidemarker light set for GMC Sierra and Canyon trucks

$299.95

In stock
Diode Dynamics clear lens LED sidemarker set for 2018-2025 Jeep Wrangler JL and Gladiator JT.

$99.95

In stock
Set of four Diode Dynamics smoked lens LED sidemarkers for 2016-2024 Chevrolet Camaro models.

$199.95

In stock
Diode Dynamics DD4190 10AWG wiring harness with Dual Deutsch DT connectors for C1R HitchMount LED pods.

$99.95

In stock
Diode Dynamics DD4141 RGBW 2-way splitter cable with one female and two male M8 5-pin connectors.

$5.95

In stock
Diode Dynamics Ultra Heavy Duty 4-pin wiring harness with 10AWG wire, 80A relay, and Deutsch DT-P connector.

$89.95

Low in stock
Heavy-duty 14AWG wiring harness with 4-pin Deutsch DT connector, waterproof fuse, and 60A relay for LED light pods.

$39.95

In stock
Diode Dynamics DD4102 reverse light wiring harness featuring dual Deutsch DT connectors and an inline 10A waterproof fuse.

$59.95

In stock
Diode Dynamics heavy-duty dual output 4-pin wiring harness with 60A relay, waterproof fuse, and 3-way toggle switch.

$59.95

In stock
Diode Dynamics DD4092 wiring harness featuring a 3-way switch, 15A fuse, and dual 4-pin Deutsch DT connectors.

$39.95

In stock
Diode Dynamics CF15 LED turn signal flasher module with 3-pin connector and plastic housing.

$19.95

In stock
A roll of black 7mm Diode Dynamics butyl headlamp sealant rope for resealing automotive light housings.

$19.95

In stock
Diode Dynamics DD4045 heavy-duty dual output harness featuring 14AWG wiring, Deutsch DT connectors, and a toggle switch.

$49.95

In stock
Diode Dynamics DD4033 wiring harness featuring dual Deutsch DT output connectors and 18AWG high-capacity wiring.

$29.95

In stock
Diode Dynamics DD4031 heavy-duty wiring harness with 14AWG wires, 60A relay, and dual Deutsch DT connectors.

$39.95

In stock
Pair of gold-anodized Diode Dynamics LED load resistors with wire leads and blue T-tap connectors.

$19.95

In stock
Diode Dynamics SmartTap CF18 programmable LED flasher relay module with 8-pin connector.

$99.95

Low in stock
Diode Dynamics LM470 LED turn signal flasher module with multi-pin connection and black housing.

$34.95

In stock
Diode Dynamics CF18 (LM449) electronic flasher module for LED turn signal hyperflash correction

$19.95

In stock
Diode Dynamics Tail as Turn module pair with OEM-style connectors for 2022-2025 Subaru WRX.

$79.95

In stock
Diode Dynamics M8 Bluetooth RGBW LED controller with DT input and M8 output connectors.

$99.95

In stock

Can’t Find the Part You Need?

Our catalog represents only a portion of the automotive products available through our supplier network. If you cannot find a specific part, brand, or application on our website, submit a request below, and our team will help source it for you.

Please include as much information as possible, such as your vehicle's year, make, model, trim, engine, desired brand, or part number, to help us quickly identify the correct product.

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