I need help. I lost my head lamps, they went out then back on etc. I am looking to find what the meaning is of g5, c100, s201 on the wiring diagram I think c100 is the connection thru the firewall g5 is the connector in that plug and s201 is a splice any help would be appreciated.

 

You are correct. However, "S201" is buried in the wiring harness somewhere, soldered and wrapped with tape like the rest of the harness. Finding it can be a chore, as with any other factory splice. If you suspect it is bad, uyou can temporarily jumper around the suspect section of harness to confirm your diagnosis.

 

This should help narrow your search down some.

 

Hey trixter, do you have all those nice copies of the gm book in a file you can e-mail? if so I will sent you the address. this last picture is fantastic! thanks

 

I can make the file easily enough, which ones do you need?