first things first, this is probably a noob question so forgive me for not knowing. i was crawling around under my niner a little bit ago and came across this. have no idea what it is. its in the area under the drivers side tail light.
what led me to this finding, was something i came across in the trunk. i just happened to pull the little panel off that sits just behind the spare tire. firstly, what is it that is in there? secondly, i saw something apparently stuffed in there. what i pulled out was a black plastic rectangular bag that had a piece of what looked like a type of insulation in it. forgot to snap a pic, but id guess it was about 4"x8" in size. also, what concerned me was that the insulation in the bag was pretty damp, and there was some moisture inside that panel. whats the deal here?
Do you have a sunroof? Kinda looks like the drain, that big piece is supposed to be in the frame but it looks like the hole rusted out.
yes, my niner has a sunroof. i was thinking it was some kind of drain, just not sure if it is or what it is for. i was thinking maybe it was some kind of breather tube for the fuel tank, but im not sure how much sense that would make.
In my 94 (which had a locking gas door) the panel had a backup pull wire for the gas tank lock. Essentially, you opened the panel, pulled the wire, and the door unlocked and opened. However, since niners don't have locking gas doors, the panel is probably just a leftover design from earlier years with the locking gas doors. As for the bag, I have no idea. Maybe another member has come across this before. Who knows? Could be a relic from a PO...
It looks like the rear sunroof drain tube. It comes down the C column and over the rear wheel well. The moisture is most likely because the tube is cracked behind the plastic trim panel and came in during the last rain. You might be able to verify it by parking with your front end higher than the rear and pouring water into the sunroof tracks. It should travel back to the two rear drains and come out on both sides behind the rear wheels. You should have a similar one on the other side.
I had to replace the same one on my 98 ZJ. Had headliner out and removed several trim panels to get at it.