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Electronic 12 V flasher relay – suitable for 2+1+1 systems with 21 W bulbs. Designed for classic tractors and vintage vehicles.
This electronic flasher relay is made for vintage vehicles and classic tractors with a 12 V power system. Compatible with 2+1+1 configurations (two indicators, one dashboard light, plus optional trailer), it supports 21 W lamps and ensures stable blinking.
Unlike thermal relays, this unit provides a consistent flash rate regardless of load. Perfect for restoration or replacement in historic applications.
Terminal layout:
49 – Power input
49a – Output to indicators
C – Dashboard indicator
C2 / C3 – Additional control lights
31 – Ground
With a compact design and clearly marked terminals, installation is quick and easy – a durable solution for classic vehicle electrics.
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Data sheet