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This harness will remove DRL function from your headlamp and can either leave it so your Sierra has no DRL's or we can make it so your fog lights become your DRL's.
If you choose to have your fog lights as your DRL's you also have the option of keeping the fog lights on with the highbeams. This harness is needed when installing HID or LED headlight bulbs into your GMC Sierra as there is less voltage during DRL mode which can play havoc with the HID and LED bulbs.
This harness is intended for 2014 (1500) -2015 (All) GMC Sierra's without the SLT package. If you choose to move the DRL function to your fog lights, your fog lights will still operate properly at night via the factory switch. This harness allows for normal headlight function at night except that you will lose the ability to have just your parking lights on. Anytime the parking lights are now on, your headlights will also be on.
If you plan on running HID fog lamp bulbs please contact us before ordering as we can make a custom harness that will power those as well. If you are planning on running either stock flog lamp bulbs or LED fog lamp bulbs, our harnesses will work fine.
Will not work on 2014 (2500/3500 HD Models)
May not work on Canadian models. Please contact us if you have a Canadian model Sierra to confirm fitment before ordering.
PLEASE PROVIDE YOUR VIN # AT CHECKOUT AND WE WILL VERIFY THE MODEL OF YOUR CURRENT VEHICLE
INSTALLATION INSTRUCTIONS-CLICK HERE
With fog lamp option.
Follow the above and there is one more connection point that goes in between the bumper harness and body harness, this connection point is located behind the bumper near the center point on the passenger side. Simply unplug and plug our harness inline and re-connect.
Shipping & Delivery Information
Our Shipping Promise
At Slickpurchase, we understand how important your purchases are. That's why we take extra care with every package we send. All orders are shipped in double-boxes with full insurance for additional protection, ensuring your items arrive safely.
Processing & Shipping Timeline
- Processing Time: Orders are processed within 3-6 business days
- Domestic Delivery: Typically 6-10 business days
Please note that delivery times are estimates and may vary based on your location, weather conditions, or other unforeseen circumstances.
Shipping Destinations
Slickpurchase currently only ships to the United States.
Shipping Costs
We are pleased to offer free standard shipping on all orders within the United States.
Discreet Packaging
We respect your privacy. All Slickpurchase packages are shipped with complete discreet packaging. The product name, description, sender's name, and any information that hints about the contents are encrypted. Your package will arrive without any indication of what's inside, ensuring your purchase remains confidential.
Signature Requirements
Important Note: All orders valued above $250 will require a signature upon delivery for your protection.
Order Tracking
Once your order ships, you'll receive a tracking number via email so you can monitor your shipment's progress every step of the way.
Lost or Delayed Shipments
If your package is lost or significantly delayed, please contact our support team immediately, and we will assist you in resolving the issue.
Additional Security Measures
For your protection, we may contact you for additional order verification of the payment method on certain orders.
Questions or Concerns?
For details on returns and refunds, please refer to our Return Policy page.
For any questions about shipping or delivery, please contact our customer service team at support@slickpurchase.com.
⚠️ WARNING (California Proposition 65):This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.For more information, please visit www.P65Warnings.ca.gov.
