What would cause both low beam headlights to go out at the same time? i have replaced the headlights and they still dont work.

Check fuses first!

Dipped probably means low beam . If the bulb is good you need to check for power and ground to the bulb connection .

HEADLIGHT SWITCH

Generally that happens when your low beam bulbs burn out. I have had that happen a couple of times, no warning, no indication leading up to it.

I would just replace the bulbs.

it may be the dimmer switch located on the base of the steering colume that is not working on the low beam side.also the headlights themselves may need changing if the low beam filament is burnt out and you didn`t realize one was burnt out then the other one burnt out.if that`s not the case then it could be a bad connection at the plug connector for the low beam or for some reason power is lost between the switch and the headlight.you don`t say if this has day time running lights,if it does then it could be the drl relay that is bad.

On the van you have a high beam fuse and relay. On the low beam you also have a fuse and relay. Check the fuse/relay panel for a blown fuse controlling the low beam lights. If you do not find a blown fuse have some one to turn the key on and turn on the high beam lights> During this time locate the low beam headlight relay and place your finger on top of relay, have the other person to switch from high beam to low beam lights. You should feel a click in the relay when they make the switch from high to low beam. If not replace the relay and the problem should go away. Hope this will help you.

Check the fuse. There are seperate fuses for right and left. You dont mention if the high beam works for that side? If it does, the fuse is good. The GREEN wire at the bulb is the ground for the low beam. If that wire has power, then the ground is bad. If the high beam works, the hi'lo beam switch is good, and there is a problem between that headlight and the Engine Compartment Junction Block

could be becauce if you dont have low beams and high beams do work once you replace them with new bulbs low beams should work.

replace the headlight bulbs. Usually when the bulbs blow out the low beam blows out first, but the high beams still work. If you want and need both low and high beams to work then replace the headlight bulbs with brand new ones and I garauntee that both low and high beams will work

Im just curious if you found a fix for this issue because I'm curently having the same problem with 98 civic?