The Missing Piece in Your Dual Headlight Setup
When upgrading or installing dual headlights on a Peterbilt 359, the wiring is just as important as the lights themselves. This dual headlight wiring kit is designed to properly connect and power both headlights on one side of your truck.
Instead of piecing together wiring manually, this harness simplifies the process and helps ensure consistent, reliable operation.
Why Use a Dual Headlight Wiring Kit?
Designed for Dual Headlight Systems
This harness is specifically built to connect dual headlights in a single system:
- Powers both headlights on one side
- Ensures proper electrical distribution
- Reduces wiring complexity
A dedicated harness is important when running dual lights to avoid inconsistent performance or wiring issues.
Built for Peterbilt 359 Headlight Setups
Designed for compatibility with:
- United Pacific Peterbilt 359 style headlights
- Dual headlight configurations commonly used on classic Peterbilt builds
This makes it a strong match for both restoration and custom conversion setups.
Stainless Steel Wire Loom Protection
The harness features a stainless steel wire loom:
- Protects wiring from abrasion and heat
- Improves durability in harsh environments
- Creates a cleaner, more professional appearance
Simplifies Installation vs DIY Wiring
Instead of building your own wiring:
- Pre-configured harness reduces guesswork
- Cleaner routing compared to custom wiring
- Helps ensure consistent headlight performance
This is especially useful for dual headlight conversions or projector upgrades.
Ideal for LED, Halogen, and Projector Setups
This wiring kit works as part of a complete system when installing:
- Dual 5.75″ LED headlights
- Projector headlight conversions
- Sealed beam replacements
Fitment
Designed for:
- Peterbilt 359 headlight setups
- United Pacific dual headlight configurations
Note:
- Typically one harness is used per side of the truck
- Two harnesses may be required for full vehicle installation
Installation & Technical Notes
- Designed to connect dual headlights on one side
- Routing is simplified through loom protection
- Compatible with standard headlight wiring setups
Professional installation recommended for best results, especially in custom builds.
Build Quality & Construction
- Durable wiring harness construction
- Stainless steel wire loom protection
- Designed for long-term reliability
What’s Included
- (1) Dual headlight wiring harness kit
Note:
- Headlights not included
- Sold individually (per side)
Frequently Asked Questions
What does a dual headlight wiring kit do?
It connects and powers two headlights on one side of the truck, ensuring proper electrical distribution and simplifying installation.
Do I need one or two kits?
Typically, one kit is used per side. If your truck has dual headlights on both sides, you may need two kits.
Is this required for dual headlight setups?
While not always required, a dedicated harness makes installation easier and helps ensure proper performance compared to DIY wiring.
Will this fit my Peterbilt 359?
Yes, it is designed for Peterbilt 359-style headlight setups, especially those using United Pacific components.
Does this work with LED headlights?
Yes, it can be used with LED, halogen, or projector headlight setups.
Is this plug-and-play?
It is designed to simplify installation, but exact wiring may vary depending on your setup and components.
Does this include headlights?
No, this is the wiring harness only. Headlights must be purchased separately.
Why not just wire it myself?
DIY wiring can work, but a pre-built harness reduces install time, improves reliability, and creates a cleaner final result.
