head light problem

[1982blazer]

when i put my lights on low beam only one light comes on and when i put them on high beam all 4 come on any body know what the problem is. i ran a search and couldnt realy fing anything that could help me

 

[neverendingproject]

You probably have a burnt lo beam in one of your lights. All four are supposed to come on HI but two lights are HI/LO.

 

[1982blazer]

you meen on of the bulbs is burnt out cause all four of them will still light up

 

[ct85k10]

the low filament in that bulb is out there is a low and a high filament in the uppers