woody23 Posted November 28, 2011 Share Posted November 28, 2011 Guys, had a quick look through here but Fanx find an answer.I was pootling along the unlit roads round my mums way tonight, when I put my full beams on my headlights beam disappeared, but if I hold the switch on the click they stay on. Both filaments of the bulbs work just not togetherAny ideas please Cheers. Andy Link to comment Share on other sites More sharing options...
ryan.. Posted November 28, 2011 Share Posted November 28, 2011 This is how H4 bulbs work mate Link to comment Share on other sites More sharing options...
noodels Posted November 29, 2011 Share Posted November 29, 2011 so they dont work on full beam then? Link to comment Share on other sites More sharing options...
ryan.. Posted November 29, 2011 Share Posted November 29, 2011 not both fillaments no. This is why H1/H7 headlights are so much better as they can have both on at the same time. You cant have both fillaments on in H4 bulbs as they would burn out very quickly Link to comment Share on other sites More sharing options...
noodels Posted November 29, 2011 Share Posted November 29, 2011 so they dont work on full beam then? yes i know mate just seeing if his work atall on high beam only he said he lost the beam completly Link to comment Share on other sites More sharing options...
woody23 Posted November 29, 2011 Author Share Posted November 29, 2011 Guys, cheers for the replies I never noticed it on any of my other cars before! I seem to loose the light in the middle distance of the beams I'm thinking I may need to get some driving lights soon! any decent ones out there for cheaps! Andy Link to comment Share on other sites More sharing options...
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