Saihisday Turn Signal Switch Universal 12V Chrome with 3‑Pin Connector and Flasher Included

Saihisday's Universal Turn Signal Switch is a 12V, chrome-plated hot rod replacement assembly with a 3-pin terminal and included flasher, designed to restore left/front signaling on many Ford, Buick and GM models.

Swap in a straightforward, visually authentic turn signal control without extensive rewiring — the Saihisday unit combines a polished chrome lever, a 3-pin connector for common wiring harnesses, and a plug-and-play flasher. Built to match classic and custom vehicles, this assembly is supplied with a wiring diagram printed on the package so you can confirm connections before you hook it up.

How does this switch fit my Ford, Buick, or GM vehicle?

This universal assembly is engineered to match the common wiring layouts of many classic and custom Ford, Buick, and GM cars using a 3-pin terminal. Confirm compatibility by comparing the listed applicable models or matching the part number and wiring on your vehicle.

• Interchange part number: P021-TS-HL101 for cross-checking.
• Terminal type: standard 3-pin to suit many factory harnesses.
• Wiring: seven-wire design to accommodate common signal, power, and ground circuits.
• Position: intended for left/front installation; verify placement prior to purchase.

What electrical specs and components are included?

The unit operates on a standard 12V automotive system and arrives complete with a compatible flasher module to simplify installation and ensure proper blinking cadence. The chrome housing and lever are corrosion-resistant for long-term use in exposed dash environments.

• Voltage rating: 12 volts DC — fits typical automotive electrical systems.
• Included parts: 1 turn signal assembly and 1 matching flasher unit.
• Material finish: polished chrome for period-correct appearance.
• Wire count: seven wires to interface with signal, power, and indicator circuits.

How difficult is installation and what tools or guidance are provided?

Installation is intended to be fast for anyone comfortable with basic vehicle electrical work: the package includes a wiring diagram and step guidance printed on the box to help you connect the three-pin terminal and the additional wires. For safety, disconnect the battery before starting and follow the diagram to avoid miswiring.

• Instructions: wiring diagram and installation notes printed on the box.
• Time: most installations take under an hour for experienced DIYers.
• Tools: common hand tools and basic electrical crimping or soldering tools recommended.
• Tip: label original wires before removal to simplify reconnection.

Who is this for? The Saihisday Universal Turn Signal Switch is aimed at hot rod builders, restorers and hobby mechanics who want a chrome, plug-compatible replacement that looks right in classic interiors while simplifying wiring. If you’re updating or repairing left/front signaling on a Ford, Buick or GM vehicle and need a ready-to-install 12V switch with a flasher included, this unit offers a practical balance of style and functionality. Always verify fitment against your vehicle’s wiring and the interchange part number P021-TS-HL101 before purchase.