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Grote · Electrical & Lighting
GRT44690
In stock · ships from Knoxville
This is a 16-lamp electronic flasher relay used to control turn signals and hazard lights on heavy-duty trucks, trailers, and other vehicles.
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Other applications
Commonly used in heavy-duty trucks and commercial trailers. Also suitable for vintage cars and trucks.
Part data verified against 5 catalog sources
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It replaces older mechanical flashers and provides a steady, electronically controlled flash rate whether you’re running incandescent or LED bulbs. You would install this when the original flasher fails or when upgrading to LED lights to maintain a proper flash speed.
Part Number: GRT44690
FLASHER 16 LAMP HD
Unit: ea
Dealer: Knox Trailers
Compatibility, alternatives, and more
Parts commonly needed alongside electrical & lighting