Some of mine were stuck and hard to get out. I wiggled them a bit side to side, they came right out. Use your judgement, as they can break easily. If in doubt, use gloves or pliers wrapped with a bit of electrical tape. Be sure the lamps are switched off!
1987 Starcraft Nova tent trailer, purch. '87, sold 8.14
2013 Crusader 290RLT bought new, 8.14 lotsa mods!
2001 Ford F-250 7.3
Loving wife, R.I.P., 6/6/19
and Mason the always dirty dog! R.I.P, 2/19