 | Home > In Car Electronics > Upgraded wiring headlight |
 
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| htb2 Member Since: 02 Nov 2018 Location: Carmarthenshire Posts: 532  
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At a guess since its a ring terminal I would go for earth.
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2nd Jan 2023 12:17pm |
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| geobloke Member Since: 06 Nov 2012 Location: Nottinghamshire Posts: 4410 
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As above. The blue is to earth.
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2nd Jan 2023 1:03pm |
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| Simboii Member Since: 09 Jun 2021 Location: Carmarthen Posts: 70 
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Whats the advantage of running this upgraded loom with the tpuk headlights??
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11th Jan 2023 8:58pm |
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| Poulstonb Member Since: 30 Jun 2022 Location: Styal Posts: 88
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As I understand the existing wiring is only just good enough to cope with original headlights . After some time the headlight stalk burns out . The loom takes a direct feed from the battery instead .
The Thomas performance loom is a generic headlight loom so needs modifications to length to work on defender . I ended up throwing it and buying another brand specific for defender |
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11th Jan 2023 10:53pm |
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| Penfold_6290 Member Since: 22 Sep 2021 Location: Dorset Posts: 320 
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You may also find that you don't get full charging voltage to your H4 bulbs through the standard wiring. The output from halogen bulbs drops quite dramatically as the voltage reduces so by taking power direct from the alternator to the bulbs you are assured they are as bright as nature intended while at the same time reducing the burden on the light switch. |
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13th Jan 2023 2:38pm |
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| geobloke Member Since: 06 Nov 2012 Location: Nottinghamshire Posts: 4410
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Plus for earlier LED headlights the loom prevents them from flickering, JW Speakers were prone to this, as the voltage drops through the main light switch.
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13th Jan 2023 4:28pm |
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