The hazard switch definitely lites up. If you pop the switch out from the back (it comes forward through the hole it is mounted in). You will see there are presumably two spots for a light on the side of the unit. The bottom spot if you shine a light through will not lite up because it is blocked out. You have to take a regular screw driver and turn the bulb housing thing that looks kinda like a wide plastic phillips head screw counter clockwise just a little and it will pull straight out. Check to make sure the last time the plug was plugged in it did not push your Green wire with the red stripe's connector out that would be the positive Illumination switch also check the Red wire with the green stripe's connection as I think it is used as a negative to the illumination circuit some times. That bulb is small it is a grain of wheat of rice bulb. I know I have pics of all this somewhere that I took when i converted the whole interior to LED's but I don't know where if i find them I will try to post them. Hope that helps, but yes it does illuminate.
In Christ,
Ryan H
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