Diode Dynamics Add-on DT 4-Pin Fog Light Wiring Harness
Can I pick up my order or have it installed at your shop?
Can I pick up my order or have it installed at your shop?
Absolutely. We offer local pickup on most products and full professional installation at our shop in Washington, MO. Whether you just want to grab your parts or have our techs handle the install, we’ve got you covered. Give us a quick call at 636-429-7020 or message us to schedule a visit — we’ll make sure the parts are ready when you arrive.
How do I know if this part fits my vehicle?
How do I know if this part fits my vehicle?
Unsure if it’ll fit? No problem — that’s what we’re here for. Send us your vehicle’s year, make, and model, and we’ll verify fitment before you order. We can also point you toward compatible upgrades or supporting parts if needed.
What if I need to return a product or it’s defective?
What if I need to return a product or it’s defective?
Most unused items can be returned within 30 days in their original packaging. Some products are covered by a manufacturer’s warranty as well. If something arrives damaged or doesn’t meet your expectations, just let us know — we’ll help you get it replaced, refunded, or repaired. (Tracking updates are also emailed automatically once your order ships.)
What's the lead time on custom or fabricated parts?
What's the lead time on custom or fabricated parts?
Many of our parts are built to order — especially fabricated or performance components. These can take additional time to produce before shipping. Lead times vary by manufacturer and demand, but we’ll always keep you updated along the way. If you’re working on a tight schedule, reach out before ordering at 636-429-7020 and we’ll confirm current availability or estimated ship dates.
Description
Description
Features
- Allows you to add fog lights to your vehicle with factory-like operation.
- Dual Deutsch DT 4-pin output connectors.
- Compatible with backlit Stage Series lighting products.
- High-capacity 16AWG wiring and 15A waterproof fuse.
- Works with factory-installed auxiliary switches.
Overview
Add fog lights to your vehicle. If you want to add fog lights to your vehicle, but you don't have factory wiring, this is the solution you need! Unlike other basic harnesses on the market, our Add-On Fog Harness allows your fog lights to operate automatically, just like you'd expect from the factory. By using an activation and deactivation wire, along with a toggle switch, this harness will turn your fog lights on automatically any time the headlights are turned on, and the switch is in the on position. This is much more convenient than manually flipping a switch on every time you want to use them!
This harness is intended to be used with Diode Dynamics Stage Series LED Pods with backlight functionality, and can safely provide up to 10A of power.
Wiring. We recommend connecting the Activation Input Wire to your sidemarker or low beam signal, so your fog lights can automatically turn on with your parking lights or low beams. Any time this activation signal is powered and the fog light switch is in the On state, the fog lights will be turned on.
We recommend connecting the Deactivation Wire to your vehicle's high beam circuit. This will automatically disable the output any time your high beam is activated.
Finally, we recommend connecting the Backlight Activation Wire to a fused 12V source to trigger the backlight feature, such as the parking light or running light. Before wiring, please check local laws and regulations for proper activation and deactivation of the type of lamp you are powering with this harness.
Auxiliary switch compatible. If your vehicle came with a factory-installed auxiliary switch bank, you can use one of them as your fog light switch, instead of the toggle switch that's included. Simply connect an Auxiliary Switch output to the harness, using the included Power Input Wire.
Experience. After over a decade in business, Diode Dynamics is the most trusted name in automotive LED lighting. Unlike every other LED distributor, we assemble and engineer products ourselves in the United States, for high quality and fast time-to-market of the newest and brightest LED technologies. We pride ourselves in offering only quality LED products, that will exceed your expectations. Please contact us if you'd like to discuss your lighting project!
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