Do you have access to Mitchell1 Prodemand, or eautorepair.net DIY? If you are willing to share user/password (we can pay), please get in contact with us ASAP (truly, it is urgent): email operation-charm [[at]] tuta.io or click to submit anonymously
Component Circuits Diagnosis
BULBSVisually inspect the bulb. Check the resistance through the bulb.
Replace as needed.
HEADLAMP SWITCH
Refer to Turn Signals/Combination Switch for Lever Combination Switch (LCS) testing. Turn Signal Switch
Repair/replace as needed.
I/P DIMMER
Perform the following checks at the instrument panel dimmer harness connector, with the instrument panel dimmer disconnected.
Pin A Continuity to ground
Pin B Battery voltage with park lights On
Pin C Battery voltage with park lights On
Repair/replace as needed.
If all other wiring, components, and all of the above checks are ok, replace I/P dimmer.