2003-2007 LB&/LBY 6.6L All Lights On® (2003-2007 Select GM Models) (FPE-GM-ALO-37)
Brighten up your driving experience with this simple upgrade inside your fuse box. Simply install the GM All Lights On Module to allow your high-beams, low-beams and fog lamps to simultaneously illuminate the road ahead. Once installed the GM All Lights On Module will turn on the high-beams, low beams and fog lamps when you turn on your high-beams. When the high-beams are NOT turned on your low-beams and fog lights will function normally.
- Allows high-beams, low-beams, and fog lamps to illuminate simultaneously for improved night visibility.
- Simple installation directly inside the fuse box.
- Low-beams and fog lights continue to function normally when high-beams are off.
Designed specifically for 2003-2007 select GM models.
1. Remove the relays labeled: FOG LP, HDLP-LOW, DRL, HDLP-HI
2. Lay the GM All Lights On circuit board in the location shown below
3. Reinstall the four relays back into their original location
- 2003 GM Silverado/Sierra 2500/3500 6.6L LB7 Duramax
- 2004 GM Silverado/Sierra 2500/3500 6.6L LB7 Duramax
- 2004.5 GM Silverado/Sierra 2500/3500 6.6L LLY Duramax
- 2005 GM Silverado/Sierra 2500/3500 6.6L LLY Duramax
- 2006 GM Silverado/Sierra 2500/3500 6.6L LLY/LBZ Duramax
- 2007 GM Silverado/Sierra 2500/3500 6.6L LLY/LBZ Duramax (classic body style)
Please note that actual products may differ from images shown on our website. While we strive for accuracy in product listings, manufacturers may make changes to design, contents, color, or packaging without notice. Product images are for illustrative purposes only and may not represent the exact item you receive.
By purchasing, you acknowledge and accept that variations may occur and release OCDiesel from any liability related to product appearance differences.
Order Processing Time:
Orders are typically processed within 24-48 hours after the order has been placed.
Custom or special order items may take longer to process, typically 3-5 business days depending on the product and customization required.
Shipping Methods:
Standard Shipping (3-7 business days - location dependent)
Express Shipping (1-2 business days- location dependent)
Packaging:
All parts are securely packaged to better prevent any damage during transit. Fragile or high-value parts will be packaged with additional protective materials, such as bubble wrap or foam padding.
Shipping Rates:
Shipping rates vary based on the size, weight, and destination of the package. You can view the estimated shipping costs for your order during the checkout process before placing your order.
Order Tracking:
Once your order has been shipped, you will receive an email with the tracking number and carrier information. You can also track your order status by logging into your OCDiesel account.
USA Shipping:
We ship to the USA! (Except California) Please note that USA shipping rates and delivery times may vary based on destination. Customers are responsible for any customs fees, import taxes, or additional charges that may apply.
Not all products are stocked in-house. To ensure you receive your desired items promptly, please check for availability before placing your order. Some products may be backordered due to high demand or supply chain constraints, which could result in longer delivery times.
We strive to keep our inventory updated regularly, but availability & pricing can change quickly without notice. For the most accurate information & pricing, contact the OCDiesel customer service team using either this link, or the chat bubble on the bottom right of this page.
Most items are eligible for return within 30 days of shipping, provided they are unused, in original manufacturer packaging, and in resalable condition.
All returns & cancellations are subject to restocking and cancellation fees.
On products with status "Contact for availability" please contact us before ordering to confirm availability. Orders placed without prior availability confirmation are subject to current lead times and our cancellation/restocking policy.
Returns must include a Return Authorization Number (RA #) and be shipped with tracking. Return shipping costs are the responsibility of the customer.
Custom/special orders, electronics, and digital goods are final sale—no returns, refunds, or exchanges.
For full return instructions, fee details, and conditions, click here.
Q&A
No questions answered yet. Have a question about this product? Ask our team below.
