if the dash lights are on when the headlights are off, and v.v..... you may have shorted the dimmer wire..... and in the process, fried the driver's side multiplexer.

check these threads

https://www.honda-acura.net/forums/s...ht=multiplexer
https://www.honda-acura.net/forums/s...ht=multiplexer
https://www.honda-acura.net/forums/s...ht=multiplexer