Interior lights voltage ? (71-73)

HHStang

Member
May 15, 2003
566
0
16
Coastal SC
I have 12v on battery, ignition and yellow in to headlight switch. I drop to 11v (max turn to left) or a bit less on interior light feed (lt blue). Probably not a big deal, but is this right and any idea why its doing this if not right? I do have a new headlight switch FYI. THANKS!