I made a lightbar texture but the primary lights are weird and bright as the sun and you can't see anything. But the secondary lights are normal

Take a look into your ELS.ini file and/or visualsettings.dat, if you do on ELS.ini, check the intensity of primary environment lights, don't set it too high, if it is, put it around 5 - 8, do the same with the line that says Range of primary environment lights, don't set it too high, set it around 15 - 30

If you do on visualsettings.dat, look for this line:

# car.siren.color 1

# car.siren.color2

Set it up like this (more or less)

# car.siren.color 1

car.siren.color.red 99 0.2 0

car.siren.color.green 0.2

car.siren.color.blue 0

# car.siren.color2 0

car.siren.color2.red 0 1 2

car.siren.color2.green 1

car.siren.color2.blue 99

car.siren.intensity 16

car.siren.falloffMax 20

car.siren.innerConeAngle 12

car.siren.outerConeAngle 92