American Autowire Spade Terminals

American Autowire Spade Terminals: Precision Connections for Serious Builders

When you're rebuilding or restoring a classic vehicle's electrical system, every connection matters. American Autowire has built a decades-long reputation as a premier automotive electrical manufacturer, and their spade terminals reflect the same attention to quality and fitment that defines their complete wiring harness systems. These aren't generic hardware-store connectors — they're purpose-engineered termination components designed to work seamlessly within the high-demand environments that OEM restoration, modified restoration, and street rod custom builds demand.

What Sets American Autowire Spade Terminals Apart

American Autowire's spade terminal offerings are built around proven industry-standard series designations that match factory wiring specifications. Their lineup includes 56 Series spade terminals available in both male and female configurations, sized for general-use applications across 12, 14, and 16 gauge wire. For headlight and dual-circuit applications, the 59 Series double terminals — sized at 0.320 in. — provide the robust connection integrity that high-current circuits require. Gold-finish connectors are also available for applications where corrosion resistance is a priority, and standard silver-finish terminals cover everyday utility work with equal reliability.

On the bare-wire side, American Autowire offers non-insulated tin-plated copper spade terminals in both male and female variants, compatible with 18–14 gauge wire and sold in convenient sets of 10. Tin plating provides a reliable barrier against oxidation while maintaining excellent conductivity — a crucial consideration for vintage vehicles that may sit for extended periods or operate in variable temperature conditions.

Why Gauge and Series Compatibility Matter

Spade terminals are only as reliable as their fit. Mismatched gauge ranges cause loose crimps; wrong blade widths cause intermittent connections. American Autowire's terminal lineup is cataloged precisely so builders can match each connector to the correct wire gauge and mating connector series. Whether you're splicing into an existing harness or building a fresh system from scratch, selecting the right 56 or 59 Series terminal ensures that blade-to-socket engagement is tight, vibration-resistant, and corrosion-free over the long haul.

Because American Autowire manufactures their products domestically at their Bellmawr, NJ facility, quality control is kept in-house — something that restoration purists and professional builders consistently point to as a key differentiator. When you're wiring a car that's meant to last another 50 years, that level of manufacturing consistency is exactly what you want at every connection point, including something as fundamental as a spade terminal.

The Right Terminal for Every Connection

• 56 Series Male & Female Spade Terminals — General-use, available in 12, 14–16 ga; gold or silver finish
• 59 Series Double Spade Terminals — 0.320 in. blade, ideal for headlight and dual-circuit applications
• Non-Insulated Tin-Plated Copper Terminals — Male and female, 18–14 ga wire range, sets of 10
• Pack-con Spade Connectors — 20–18 AWG male and female options for lighter gauge wiring

For builders who want every component of their electrical system to come from a single trusted source, American Autowire's spade terminals are a natural complement to their wiring harnesses, connectors, and accessories. Browse the full Spade Terminals category or explore everything American Autowire has to offer for your next build.