You have a leaky boot seal, and the spare wheel well is the lowest point so the water gathers there.
Usually in the trunk in the spare wheel well.
Check the trunk in the spare tire wheel well.
Yes, it's in the trunk under the carpet.
Jacking points on each sill near to each wheel. Under the spare wheel well also.
In the under body portion of the spare wheel well.
Well not exactly, the engine is in the back but the front pops up for minimal space and a spare wheel.
It shouldn't do that
Most late model VW's have the engine code on a paper sticker in the spare wheel well
it is a type of a wheel from which we pull water from the tube well.
The spark plugs in a 2003 GMC Sonoma can be changed relatively easily with a socket wrench. However, the spare wheel must be removed from the wheel well to allow access.
In the front wheel well there are platic screw latches that hold wheel well coul in place. Remove the front ones to gain access to side marker light compartment.
Check the Hannes manual for exact position, but as with most tempos and Tauruses it should be in the trunk by the wheel well. By the wheel I mean the indentation for the rear tires. not the well for the spare. you will have to lift out /back the carpeted liner as it is underneath.