Headlight wire harness chafing is a relatively common problem on second-generation (2004-2018) Volvo VNM and VNL trucks. The video below talks about what happens, and how to detect it before it leaves you in the dark.
Of course, once you’ve fixed your wiring, you’ll know that your headlights still aren’t bright enough without our bi-Xenon headlight upgrade. Get yours now!
