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#Post#: 74455--------------------------------------------------
dull glow on headlight
DIR By: luckyleafer
Date: September 13, 2013, 7:01 am
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Now that it getting dark earlier I need to sort my head lights
one of the bulbs just has a dull glow I changed the bulb then
swapped them over but still the same has anyone any clues what I
should try next
#Post#: 74456--------------------------------------------------
Re: dull glow on headlight
DIR By: RMS
Date: September 13, 2013, 7:17 am
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--- Quote from: luckyleafer link ---
>
> Now that it getting dark earlier I need to sort my head lights
one of the bulbs just has a dull glow I changed the bulb then
swapped them over but still the same has anyone any clues what I
should try next
>
--- End Quote ---
Check the earth lead from that headlight - if it's
missing/broken/corroded then both filaments will be lit giving a
dull glow :thumbs:
#Post#: 74457--------------------------------------------------
Re: dull glow on headlight
DIR By: niteram
Date: September 13, 2013, 7:18 am
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sounds like a bad earth on the bulb, it'll be earthing through
the other filament.
is it dull on dip & main?
#Post#: 74458--------------------------------------------------
Re: dull glow on headlight
DIR By: niteram
Date: September 13, 2013, 7:18 am
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RMS beat me to it!! :lousyputer:
#Post#: 74471--------------------------------------------------
Re: dull glow on headlight
DIR By: divie
Date: September 13, 2013, 11:11 am
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I fitted a pair of H4 upgraded headlamps and had poor light from
both. I added an extra earth from the rad panel where they all
join up and ran it to the battery.
Still no better. Eventually I rumbled that I had 24v lamps in a
12v box! The extra earth is still connected as it can not do any
harm.
#Post#: 74571--------------------------------------------------
Re: dull glow on headlight
DIR By: Matthew
Date: September 13, 2013, 6:22 pm
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As the others have already diagnosed, a duff earth. Mine had the
exact same problem with one dim light and one bright light. I
got a length of scrap wire, and jammed it down the side of the
headlight earth pin and into the multiplug. Ran it up through
the wing and earthed it under a radiator/slam panel bolt. It was
only meant to be a temporary fix until I investigated the main
cable, but its still there and working 4 years on
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#Post#: 74577--------------------------------------------------
Re: dull glow on headlight
DIR By: luckyleafer
Date: September 14, 2013, 1:50 am
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Thanks for the tips I will check the earth when it stops raining
#Post#: 74615--------------------------------------------------
Re: dull glow on headlight
DIR By: nannaness
Date: September 14, 2013, 9:16 am
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......It may sound obvious but don't forget to check the voltage
at the bulbs to ensure you have 12v present as otherwise you
could have ten extra earths installed and still have a dull
headlamp......
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