peter evans Posted March 29, 2010 Share Posted March 29, 2010 hi i have a manta v8 400 rep but my headlights are very dim ive put in 100w bulbs in low and hi beam but still they are very dim any ideas thanks peter Quote Link to comment Share on other sites More sharing options...
garymanc Posted March 29, 2010 Share Posted March 29, 2010 try cleaning your earth on the inner wing and on the lamp there not the best anyway as am sure you know Quote Link to comment Share on other sites More sharing options...
manta400john Posted March 30, 2010 Share Posted March 30, 2010 As above...same goes for the feed to the lamps,any bad connection(resistance)will lower the voltage available at the lamp. Substituting the feed with a live straight from the battery(fused of course!)might give you an idea,if the light looks visibly brighter then you know you have a voltage drop....same can be done on the earth circuit(battery NEGATIVE to earth connector at bulb). This can also be checked with a voltmeter when the circuit is under load(lights on). Anyway what do lights matter when you've got a big V8 John. Quote Link to comment Share on other sites More sharing options...
peter evans Posted March 30, 2010 Author Share Posted March 30, 2010 thanks for that guys ill try doing direct lines for the battery tommorow ill post the results Quote Link to comment Share on other sites More sharing options...
peter evans Posted April 6, 2010 Author Share Posted April 6, 2010 tried cleaning earth contacts and direct feeds from the battery but they are still the same any mpore suggestions? ps ill have to fit a solar panel to the roof maybe that will help Quote Link to comment Share on other sites More sharing options...
mantadoc Posted April 6, 2010 Share Posted April 6, 2010 If you have had the bulbs out make sure they aren't blackened with age, also what condition are your reflectors in they do have a big influence on this? Quote Link to comment Share on other sites More sharing options...
mikemanta Posted April 7, 2010 Share Posted April 7, 2010 are you sure the bulbs are 12volt if you have put 24volt ones in they will only glow. Quote Link to comment Share on other sites More sharing options...
peter evans Posted April 7, 2010 Author Share Posted April 7, 2010 they are new bulbs 12v 100w in low beam and high beam would it be the alternator ? thanks peter Quote Link to comment Share on other sites More sharing options...
lamchop77 Posted April 7, 2010 Share Posted April 7, 2010 they are new bulbs 12v 100w in low beam and high beam would it be the alternator ? thanks peter To be perfectly honest the manta lights are crap. I have a set in mine that i took apart,totally cleaned inside and out on the lens, resealed, the reflectors were perfect and i put in 100w bulbs.......still dim. Only thing to do is quad upgrade , or maybe custom made housing and modern lights fitted. I have seen a Kadett Coupe which had motorbike headlights fitted, was a german motor, but don't know how legal this is. Looked cool though!! HTH Chris Quote Link to comment Share on other sites More sharing options...
manta400john Posted April 7, 2010 Share Posted April 7, 2010 (edited) You could always get an HID kit,plenty on e-bay. http://www.xtralights.com/hidxenonconversionkitshidxenonlightsxenonhidconversionscarhidlightings.aspx?gclid=CO6_nJe19aACFRgsDgodc2VeuA Edited April 7, 2010 by manta400john Quote Link to comment Share on other sites More sharing options...
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