headlights staying on after shutting the car off?

[emmtee83]

hey guys....

i'm sure this has happened to someone before, so i'll give it a go.

last week my headlights started playing up. After my morning drive to work, i jumped out of the car, locked it, only to find that my lights were still on. i had to disconnect the negative to save my battery from going flat. i thought it may have been a faulty headlight switch....

then today i noticed after jumping in the car tonight after work (when it was dark) that my headlights went back to normal. after starting the car, i had full use of my headlights again.....turned off at the switch and my headlights turned off.

Is it possible that my car is not recognising the daylight and is somehow trying to override the headlight switch? or is it my switch itself? i'm also told it could be the BCM that's gone....

Any help would be great. Thanks

[accentstencil]

Maybe the relay was stuck on .

[emmtee83]

so you think just a change of relay? i tried pulling the relays and fuses when the lights were stuck on....lights stayed on. only thing able to cut the lights out was by disconnecting the battery.

any other ideas?

[ERDEM_CIMBOM]

similar problem happened to me check the fuses.

[graham7773]

I don't know what causes this but removing the low beam relays when you park the car at night is a temporary fix. Maybe replacing the relays could solve the problem?I don't think blown fuses could cause it as blown fuses usually stop things from working.

[emmtee83]

the lights at night are not an issue, as they have gone back to normal by the night time. my problem is when the come on through the day by themselves.

i normally pull up at work and the lights have come on....

[bobvhsa]

On a VT/VX if your Headlights are staying on even if you have pulled hi and lo beam relays then one of the wires between the headlights and the relays has shorted to ground by rubbing through to another wire or to the chassis. These headlights have a permanent + feed to one side through fuses 29 and 30 and the relays when switched supply the earth to complete the circuit. If you have pulled the relays and the problem still exists this eliminates the BCM, the fuses and the daylight sensor (calais). Look for a loom fault.