The original author seems to have abandoned this mod, updated it to 1.53.
High quality models of the Boreman LED markers, made from scratch in Blender Tools.
Mod supports most popular truck mods.

Features:
– HQ 3d models
– Custom flares
– Realistic lightmask
– 8 light colours (white, bright orange, red, green, blue, purple, cyan, amber)
– 3 types: marker, marker + strobe, strobe only
– 2 strobe variants: Left & Right
– Amber & red blinker variants

Credits:
netw3rkd