FYI Grounding points on the C5
The 2003 Corvette Service Manual, Volume 3, Section 8, pages 92 thru 98 list all the grounding points on the C5 showing the grounding points on the car, as well as a written description of their location. I hope the other service manuals that you may have will have them listed in the same place.
I have been having some wierd electrical problems with my 2003 Z06 lately (throwing codes, windows not working and the ABS, Traction Control and Active Handeling going into total shut down).
I did a seach on these problems and the general concensess was to clean all the grounds. What I did not find was a good description of the location of these grounds so I wanted to provide one.
Note: if the grounds are ganged into one connector, be sure and disassemble the connector and clean all the contacts as well as clean the connector where it is bolted to the frame. Obviously this will not cure a failed componet, but I am hopeing it will cure my intermitent problems.
Mods, do you think you should make this a "Sticky"?