I am trying to replace the passenger side turn signal bulb on my 21 3LT. I have not been able to locate the point where the bulb socket attaches to the headlamp housing? I have a manual that shows it being accessible under hood (see attached). That configuration does not seem to apply to this vehicle. I found pictures of early headlight housings that seem to have bulbs in the noted location. Later housings I looked at do not appear to have an obvious bulb removal location. Attached are photos of used headlight housings. I have not found anywhere that appears to provide bulb removal access.
I suspect I am missing something simple. I would appreciate insight from those have experienced changing the turn signal bulb.
Turn Signal.pdf
TS Top2.pdf
TS back2.pdf