Thanks, guys
- I guess I'll get it figured out.
This dash is a nightmare - wires are spaghetti and that's putting it kindly.
Looks like I'm gonna have to spring for a new harness; I was hoping to patch up the original, but it's a mess. At least I got my new headlight switch in; hopefully that'll solve my flickering lights problem. I've done everything else ... 
This dash is a nightmare - wires are spaghetti and that's putting it kindly.