jimsup Posted November 25, 2010 Share Posted November 25, 2010 Hi peeps, I have just bought set of headlight bulbs for my mkiv supra the bulb model numbers for headlights i found were HB4 for main beam and HB3 are for the full beams? is this correct? the problem i found is that the HB4 do not seem to fit, i found on closer inspection that the o-ring seal on the bulb that goes into the main headlight unit are too big and the only way they will fit is to take the o-ring off and file the diameter down to fit the headlight opening! my question is.....firstly has anyone else found this problem? and is it a simple fact that the imported supras (with the plastic cover headlights) have a different bulb opening diameter?.....or are the headlights on my just happen to be poor tolerances?? any help will be much apreciated Jim Quote Link to comment Share on other sites More sharing options...
Steve Posted November 25, 2010 Share Posted November 25, 2010 Have a read of this thread, should hopefully help. Quote Link to comment Share on other sites More sharing options...
jimsup Posted November 25, 2010 Author Share Posted November 25, 2010 thankyou for the link... ...so for my jspec i don't need HB4 bulbs at all?? only HB3's? how come HB3's are the same bulb for main beam and full beam? aren't full beams suppose to be brighter? or is that down to the way the heandlight diffuses the light? i do have two spare HB3's in my boot so i will give that a go! jim Quote Link to comment Share on other sites More sharing options...
garethr Posted November 25, 2010 Share Posted November 25, 2010 The Japanese cars were fitted with 9005J and 9006J bulbs, which are not generally available in the UK. I daresay you could order them from Toyota, but at 20-odd quid each (IIRC) most people opt for modifying 9005/HB3 bulbs. Quote Link to comment Share on other sites More sharing options...
Nic Posted November 26, 2010 Share Posted November 26, 2010 thankyou for the link... ...so for my jspec i don't need HB4 bulbs at all?? only HB3's? how come HB3's are the same bulb for main beam and full beam? Read the linked thread again, all is explained. Note you will need to remove a small rib inside the wiring loom plug so it will fit onto the bulb, you should see what I mean when you try to connect them. Quote Link to comment Share on other sites More sharing options...
jimsup Posted November 26, 2010 Author Share Posted November 26, 2010 Hey, I found the HB3's in my boot and they fitted in the headlight unit :-) Nic....i did have to cut out the lugs inside the bulb for it to connect onto the connector! thanks for the heads up on that one! cheers! all lights working fine......thank you all for your help in the matter Jim Quote Link to comment Share on other sites More sharing options...
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