Where is c105 located without looking it up

 

Sorry for the lack of details. It's in the engine bay, back corner, driver's side.
I recently also had problems with the inertia switch . I put a jumper in until I got a replacement switch. The Gremlin hasn't left yet: Cd changer id still disconnected because the head keeps ticking: haven't solved this one.

 

Have you cleaned the main ground and added grounds? I did it made a huge difference esp the charging circuit