In my curiosity, I peeled away the left side trunk trim and actually managed to get it all back (never able to do that on any GM car).

On the left, I found a couple of interesting wires you might find familiar. First, a loop of around two feet of coaxial that runs down and disappears through a rubber grommet into the left corner (into the bumper antenna, no doubt). Oddly, at the end of the loop is a coaxial connector not really connected to anything at all. It's taped neatly to the frame as if waiting patiently for someone to use it for something.

Second, as part of a bundle of wires coming from the front, is a much smaller black coaxial wire around half the size of a regular "cable-TV" coax. It's threaded the same and all, but has a small white plastic tip. Again, it's just sitting there with its free end hanging loose.

Lastly, next to this small coax I found what looks to be the male end of a serial cable like I have between my PC and printer. It's wrapped nicely in foam and velcro. Given the proximity of the small coax and serial cable connectors over the left wheelwell, I assume they're meant to be used together.

Although I have no idea what the last two are for, I suspect the larger coax in the left rear bumper area is antenna. Still, why is it not connected? Is it meant, perhaps, for a cellular phone to join in? I always thought a cellphone would connect to the end found in the compartment between my front seats.

Have I found anything useful?

Thanks,
Glenn