Highway 15 Plus Universal Wiring System

The Highway 15 Plus is a compact, fully featured universal wiring system designed for builds that don’t require a large fuse panel but still demand professional reliability and modern capability. With 15 fully labeled circuits and a modular, space-efficient fuse box, this system is ideal for street rods, kit cars, roadsters, and minimalist builds where clean routing and ease of installation matter.

This updated “Plus” version builds on the proven Highway Series foundation with expanded functionality, improved instructions, and added support for modern components, while retaining the durability and clarity American Autowire is known for.

Features:
• 15 fully labeled circuits for streamlined installations
• Compact modular fuse panel designed for tight mounting locations
• High-temperature GXL/XLPE GM color-coded wiring
• Wire labeling every 3–4 inches for easy identification
• Built-in LED flasher supports LED turn signals without add-ons
• Backup light feed and modern power wires included
• Additional ignition circuit for aftermarket accessories
• Extra wiring and connectors to support 4-headlight systems
• Longer neutral safety switch wiring for console-shift vehicles
• High-amp alternator and main power connection kit with 6-ga wire
• Dual 175-amp MegaFuse protection for charging system and panel
• Improved GM-style ignition switch with square key
• Four additional accessory and ignition terminals
• Self-locking screw clamp wire interface
• American Autowire signature gauge cluster disconnect
• Includes ignition, headlight, and dimmer switches
• G-10 composite panel base with nylon 6/6 components
• Full-color, tabloid-size step-by-step installation instructions

Recommended for:
• Street rods
• Kit cars
• Roadsters
• Custom builds requiring a clean, compact wiring solution