Electrical problem.

[dj_ender]

Its just the cluster lights. they headlights seem to be not as bright either. Brand new alternator, and battery as well.

If the climate lights are functional, it's most likely not the switch. Did the lights just stop working, or have they been out for awhile? If they have been out, was it around the time you installed the deck?

[91ExSedan]

Everything worked fine until yesterday.

[dj_ender]

Everything worked fine until yesterday.

sounds like a ground might have broke loose.