How to you change the rear turn signal bulb? - 1993 Dodge Grand Caravan

SOURCE: change rear signal bulb on 2002 ford focus wagon

Open tailgate 2 screws hold housung in. Remonve the screws pull the huosing out and change bulb. On mine the housing had melted so O called the Ford garage and they got the socket out for me. I had to buy a new socket but that was it.

SOURCE: replace rear turn signal bulb

it's in the trunk behind the materail in the trunk

SOURCE: how do I change the rear signal bulb on 2005 Dodge Caravan

There are some expandable black plugs (about 1" diameter) that hold the taillight assembly to the body. You can access them by raising the hatch, and gently pry them both out.
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The assembly will swing out and drop if you don't hold it up...hold it firmly and observe how the front part of it is held in by the plastic guide.
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The bulb is easy to pull and replace. I avoid touching any bulb with your fingers to avoid leaving oil deposits. I would have a friend test the brakes and the signal (with the ignition on), after the bulb is installed, but before you replace the assembly.
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When the assembly is aligned back in place, you can push the re-usable plugs back into the hole, and they should expand to secure the taillight.
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If this helps, please rate my answer. If not, I still appreciate constructive comments, too.
B)

SOURCE: Rear Light Bulb Replacement

unfortunately you will have to remove the assembly to get to the bulbs

SOURCE: How do I change rear turn signal bulb on 02 Grand Caravan?

open the rear hatch,there are two screws holding each taillight assembly in,remove the two screws for the side you want off,pull out on side of lens assembly where the screws were,un hook the outer side when you swing it out,