tail light bulb issues

[subzerocarfanatic]

Here is a picture or two of what bulbs light up when parking lights are on, the amber color one obviously is the turn signal bulb but the 2 smaller ones that do not light up have me wondering why, just installed all new bulbs. When i removed the old bulbs 2 were stuck because they must have installed the wrong bulbs,had to be pulled out with pliers.

[subzerocarfanatic]

I just thought about something, not sure yet but i bet they are the reverse lights OMG.....I feel stupid, am i correct?

[abscate]

Some of the lamps on the rear holders are not 'active' - they are for options like the rear fog lamp required in some EU countries, but not here in the US.

You can match bulbs to function by looking at the rear bezel and matching the colors /working side

Ive made that mistake too