Bring modern reliability to your hot rod, street rod, or classic vehicle while maintaining an authentic vintage appearance. This universal 12-circuit wiring harness combines automotive-grade GXL wiring with a true cloth braided overwrap, delivering the look of an original cloth harness with the safety and performance of modern electrical components.
Designed for virtually any 12-volt vehicle, this harness features a compact fuse panel, built-in relays, clearly labeled circuits, and extra-long rear wiring leads to simplify installation. The harness is organized into multiple labeled sections, making routing and connection easier whether you're wiring a complete restoration, custom build, or engine-swapped project.
• GXL automotive-grade copper wiring with cloth braided overwrap
• Vintage appearance with modern electrical reliability
• Universal design for most 12-volt vehicles
• 12 individually fused circuits
• Compact two-piece mini fuse block for easy servicing
• Uses readily available APM/ATM mini blade fuses
• Built-in horn and electric cooling fan relays
• Includes turn signal and hazard flashers
• 30 amp headlight circuit
• 30 amp heater and air conditioning circuit
• Dedicated 20 amp horn circuit
• Dedicated 20 amp electric fan circuit
• 12 ft tail light wiring leads
• Plug-and-play compatibility with most 1968-1996 GM tilt steering columns
• Compatible with many aftermarket GM-style steering columns
• Harness divided into 10 labeled branches for easier installation
• Color-coded and clearly labeled wires
• Includes connectors, terminals, zip ties, and installation hardware
• Temperature-rated insulation from -40°F to +257°F
• Detailed installation instructions included
Installation Note: The fuse block does not include a mounting bracket and requires a custom mounting solution. Care should be taken to ensure mounting hardware does not contact internal wiring or terminals.
Installation Instructions:
https://content.speedwaymotors.com/DigitalAssets/assets/charts/91164012_INS_2026_1.pdf?_gl=1*ric0du*_ga*ODc0MjI5MzQzLjE3NzkzOTE3OTY.*_ga_9NTXM7BJK3*czE3ODEwNDE3ODckbzE4JGcwJHQxNzgxMDQxNzkzJGo2MCRsMCRoMCRkay12Qi1zNmNJWFZnVDR4RzZIQ05VWDN1a05PTVlodUxwUQ..*_gcl_au*OTkyMjM4MDk0LjE3NzY4ODQ1NTUuMTMxMzk2MDYzNi4xNzc5NDYzMTAzLjE3Nzk0NjMxMDM.
Reminder: Closed Saturdays through the summer, starting June 6.