In the diagrams down below I have included the diagnostic test for your vehicle's headlamp dimmer switch from the vehicle manufacturer in the diagrams down below. I have also included a guide on how to test continuity for you as well. You will need to use a Digital Altimeter [DMM], so here is a link below explaining how to use one:
Please go through these guides and get back to us with what you are able to find out.
Images (Click to enlarge)
Thursday, December 26th, 2019 AT 7:23 AM