J-84-R – Jammy, Inc. – Lighting, Electronics and Precision Metal



7″ Round LED School Bus Warning Light. Features Dual Mode Operation with Fail Safe Auto Flasher built in. Using only Eight of the latest generation High Power LED Diodes, these lamps reach incredible brightness with fewer components than competitors’ models, for fewer failure points and more reliable operation. Custom Optics for High Angular Visibility. Brass reinforced screw bosses and included rear foam gasket make installation or upgrade simple and easy. Exceeds SAE J887, DOT W2, FMVSS 108 & CMVSS Standards for School Bus Warning Lamps.
Mode1 = Red (+), White (-): Aux Alternating Flasher Controlled Steady Flash w/ Built In Fail Safe Flash. If no flash signal is received, the lamp will automatically flash at a rate of 75 – 80 flashes per minute.
Max Amp Draw = 1.0 Amps @ 13.8 Volts DC

Designed to operate from 9 – 16 Volts

Dimensions: 7″ Outer Diameter x 1.6″ Deep (no gasket) / 1.75″ deep (with Gasket)

Mounts on 6-1/8″ to 6-1/4″ Circle

11″ Lead Wires

Download Spec Sheet Printable PDF

Part No.
Diode/Lens color
7" Round LED School Bus Warning Light


11" lead wires

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