Two problems related to headlights have been reported for the 2000 Volvo S70. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2000 Volvo S70 based on all problems reported for the 2000 S70.
2000 Volvo S70 (50,000: while changing left low beam headlight, noticed the insulation was flaking off the wires. Inspected the other side. It was worse with major bear sections of wire. Also noted the wire is very thin gage for headlight circuits, especially in such a hot, high use area. High beam ok. Checked Volvo forums. Found this was a common problem with Volvo and a mechanic posted a repair procedure. Besides the safety hazard of suddenly losing headlights, flashing of a circuit of this magnitude might have other affects on computer related controls.
Front and back light bulbs have been replaced, brake lights also. Electric windows and electric locks malfunctioned one time but lights continue to fail.