One DRL only comes on when unlocked

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cr0ut0n

TYF Newbie
Joined
Mar 15, 2022
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Hi everyone,

I have a 2003 Tahoe z71 and when I unlock the truck, both DRLs turn on along with the rest of the usual lights. I noticed when driving though, only one of them comes on. I've seen threads where both don't work but I haven't seen this situation where one of the bulbs clearly works but just doesn't come on while in gear. Any ideas?
 

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