Switchback LED Turn Signal Bulbs

This Switchback LED turn signal bulb operates in two distinct modes. When the vehicle's parking or daytime running lights are active, the bulb emits a cool white light. When the turn signal is engaged, an internal circuit switches the output to amber, and the bulb flashes at the standard vehicle interval. Once the signal is cancelled, the unit returns to white operation. The switchback feature is handled by the bulb's onboard driver, requiring no external controllers or additional wiring.

The bulb incorporates a forward-facing projector lens alongside side-mounted SMD chips. This layout is intended to fill both the reflector cavity and the central beam area, producing a relatively even light spread for parking light and indicator functions. The aluminum body acts as a passive heat sink, dissipating heat from the 144 chips without relying on fans. The 20mm × 63mm dimensions match typical 7443 bulb profiles, allowing installation in most factory sockets without modification.

As with most LED turn signal replacements, this Switchback LED turn signal bulb may trigger hyper-flash in vehicles equipped with CAN-bus monitoring systems. This is not a defect but a normal behavior resulting from the lower power draw compared to halogen bulbs. Depending on the vehicle, additional resistors or a load-equalizing module may be required to restore normal flash timing. The bulb itself uses a standard wedge base and fits securely under normal driving vibrations.

The Switchback LED turn signal bulb is produced under ISO9001 and IATF16949 quality management systems, with automated assembly used to maintain consistency across production runs. For B2B buyers, this unit is offered with low minimum order quantities for custom specifications. The factory supports OEM packaging design, logo printing, and adjustments to color temperature or chip configuration upon request. Sourcing directly from the facility removes intermediary markups and provides more flexibility in inventory planning.