High Beam indicator does't come on
 

I've had this issue since i bought my truck last year.
1) I don't have DRL
2) I've replaced the bulbs with a working one
3) High/Low beams still work, just not the dash light

I'm not sure what to test on the cluster itself and/or what may cause it.
Thank you in advance for any info you guys may have.

What are you driving? If you have a second gen ram, you can download the factory service manual from here, and have a look at the wiring diagrams. See where that bulb is supposed to get power from, and figure out why it isn't.

Yep it's a 2001 and I'll take a look at it, thank you.

Maybe it's just a burned bulb.

The light switching is somewhat peculiar on the later model years as it connects the lamps to ground as opposed to switching 12V power to the lamps. Both the high beam headlights and the indicator share the same ground but get power from different sources. For the indicator it's fuse 14 in the inside fuse panel. The fuse powers the whole instrument cluster so it seems not likely the culprit. I'd check the wiring from the cluster to S106 where it connects with the grounds coming from the headlights.

Thank you for the detailed response, I'm going to go look at it in a few and will get back on here and tell you what I find.

Alright, I went through everything under the hood and dash, everything was clean and tight. My last thing I can do is pull the cluster out and test the pins and cluster itself, if that is not it idk.