lights on me combo

[robertdevlin69]

alri lads listen im havin trouble wit me head lights,when the dipped beams are on there fine but when i turn on my full beams the dipped beams knock off and im driving into darkness,any help would be much appricated cheers lads

[brucer]

so your main beam dont come at all?? fuses or duff bulbs.might think it cant happen to both of the bulbs but it can.

[robertdevlin69]

nah the full beam dont work at all dipped does,the altenator is ackitn up maybe a surge is wat im thinkin.but its when u try to turn on the full beams the dipped ones turn off completley