Chern Yueh 6-Terminal Ignition Switch for Harley-Davidson Big Twin 1973-Up — Chrome, Includes 2 Keys

A heavy-duty, chrome-plated 6-terminal ignition switch that replaces OEM 71501-73 for 1973 and newer Harley-Davidson big-twin models, supplied with two keys, mounting screws, and a flip-up key cover.

This ignition switch from Chern Yueh is made in Taiwan and engineered to match the fit and function of the original equipment unit for many Harley-Davidson big-twin motorcycles. Finished in corrosion-resistant chrome and built to endure vibration, it’s intended as a direct-fit replacement for riders restoring or maintaining FL and select softail/touring models. Note model exclusions and verify fitment before purchase.

Which Harley models and years is this switch compatible with?

This switch is designed for a range of Harley-Davidson big-twin models. It covers FL models from 1973 through 1984, FXST models 1984–1995, and FLST models 1986–1995. It does not fit 1993–1995 FXDWG models, so confirm your bike’s model code and year before installing.

• Direct OEM replacement for part number 71501-73
• FL models: 1973–1984
• FXST: 1984–1995
• FLST: 1986–1995
• Excludes FXDWG 1993–1995

How does the switch hold up to vibration and weather exposure?

Chern Yueh’s unit uses robust materials and a plated finish to resist road vibration and environmental wear. The construction is heavier-duty than economy replacements, helping maintain reliable electrical contact over time even under harsh riding conditions.

• Chrome plating reduces corrosion risks
• Solid terminals and housing resist vibration-induced failures
• Flip-up key cover protects the keyway from dirt and moisture
• Includes mounting hardware for secure installation

What comes in the box and how easy is installation?

Everything needed for a standard swap is included: the ignition switch assembly, two keys, mounting screws, and a flip-up key cover. Installation is straightforward for anyone comfortable with basic hand tools and wiring checks; it’s intended as a direct replacement for the OEM part with the same terminal layout.

• Includes two cut keys for immediate use
• Mounting screws provided—no extra fasteners required
• Six-terminal layout matches OEM wiring harness
• Simple bolt-in replacement using existing wiring harness

Why choose this Chern Yueh ignition switch over aftermarket alternatives?

This switch balances authentic fit with improved durability and a chrome finish that complements classic Harley styling. Manufactured in Taiwan to higher component standards than some economy imports, it’s a practical option for riders who want longevity without custom wiring or modifications.

• Made in Taiwan for consistent manufacturing quality
• Chrome finish preserves vintage appearance
• Supplied with keys and hardware for convenience
• Designed to mirror OEM terminal configuration

Who is this for: This ignition switch is aimed at Harley-Davidson owners restoring older big-twin models, mechanics replacing a worn or corroded ignition, and riders who prefer a chrome, OEM-style component that withstands vibration and road exposure. Verify your bike’s model and year against the compatibility list before ordering to ensure a correct fit.