Question about 2000 Volvo S40
I can not get my headlights to work and am having to drive on main beam at night
First of all you need to check your bulbs? If the filament seems ok you new to work your way back up the loom, making sure there is no obvious damage. Secondly check your light fuse, this will be located in the engine bay fuse box or the cockpit, use your user manual to locate. If the fuse is ok, check visually and if possible with multi meter, I would suggest checking relay switch in engine bay. If this is ok then check your light switch/stalk.
Posted on Dec 03, 2012
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Posted on Jan 02, 2017
SOURCE: Headlight failure
look in the o/m for a relay in the fuse panel that controls the headlights it's not a fuse its a little silver box about the size of the search box on this page sometimes these will go bad and cause the headlights to cycle
Posted on Dec 24, 2008
SOURCE: Headlights go out while driving
You need to check the headlight relay to see if it is still good. Parts store can tell you where it should be and what the part number is when you find it. A good shop will be able to test it. I have found that Volvo likes to play hide the relay under the dash so it's hard to say for sure where it will be.
Posted on Jan 25, 2009
There is a relay that controls the headlights, volvo calls it a step relay. You will have to check that power is getting to this relay. If not, check all fuses and wiring. If power supply checks out ok, you may have to replace the relay. Let me know if you need any more info or a wiring diagram.
Posted on Apr 06, 2010
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