Saihisday Universal 12V Chrome Turn Signal Switch with Flasher — 3-Pin LED-Compatible, Left-Front Replacement

Saihisday's Universal 12V chrome turn signal switch with included flasher is a direct-replacement hot-rod style switch that restores left-front signaling on many Ford, Buick and GM models.

This compact, chrome-plated assembly combines a three-pin LED-compatible terminal with a matching flasher to give classic cars and custom builds reliable turn-signal performance. Built as a universal fit using a 7-wire harness, the unit ships with installation guidance printed on the box so you can match connections quickly. The finish and form are designed to blend with vintage and custom dashboards while meeting basic 12V signaling requirements.

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

The Saihisday switch adopts a universal connector arrangement intended to replace common left-front turn signal switch units. Verify the compatibility using the listed interchange part number and compare the vehicle applications before ordering. The package contains wiring guidance to help align each of the seven wires with your vehicle’s harness.

• Interchange part number: P021-TS-HL101 for cross-reference
• Terminal type: 3-pin configuration compatible with LED indicators
• Voltage: 12V, suitable for most passenger and custom vehicles
• Position: designed for left and front turn-signal circuits

What do I get in the box and what tools will I need?

Each kit includes the chrome turn signal assembly and a matching 12V flasher unit, plus printed wiring instructions on the carton. Basic hand tools are typically sufficient for installation—wire strippers, crimp or solder tools, and common sockets. No specialized diagnostic equipment is required for a straightforward replacement.

• Contents: 1x Turn signal assembly and 1x 12V flasher
• Installation guide: wiring diagram printed on box back
• Common tools: wire stripper, crimper/solder, screwdrivers
• Estimated time: minutes to an hour depending on access

Will this work with LED indicators and modern lighting?

The unit uses a 3-pin terminal and ships with a flasher designed for general 12V circuits; it is compatible with many LED setups but results depend on the vehicle’s load sensing and existing wiring. If your vehicle uses an LED-specific hyperflash suppressor or electronic control module, you may need an LED-rated flasher or load resistor for proper flash cadence.

• Compatible: basic LED configurations when load is appropriate
• Tip: use LED-rated flasher or resistors if hyperflashing occurs
• Works with: conventional incandescent bulbs without modification

How durable and road-ready is the chrome switch assembly?

The housing is chrome-finished to match hot-rod and classic interior aesthetics while protecting the switch body. It is built for typical automotive 12V environments; follow correct wiring and mounting practices to ensure longevity. The product replaces original-style parts and is intended for cosmetic and functional restoration rather than as an OEM-certified safety device.

• Material: chrome-plated exterior for corrosion resistance and style
• Design intent: restoration and custom vehicle use
• Electrical rating: 12V operation with 3-pin terminal

Who is this for? The Saihisday Universal Turn Signal Switch is aimed at classic car restorers, hot-rod builders and DIY mechanics who need a straightforward left-front turn signal replacement for Ford, Buick or GM vehicles. Choose this kit if you want a chrome finish, a universal wiring approach with clear instructions, and a plug-replaceable flasher included. If your vehicle uses advanced electronic control modules for lighting, review compatibility and consider an LED-specific flasher or professional installation.