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gilarion

Member Since: 05 Dec 2013
Location: Wales
Posts: 5115

2007 Defender 90 Other CSW Trident Green

Am I doing this right Info wanted on headlight loom upgrade

Am I doing this right!
I have Just obtained two sets of wiring looms to upgrade my headlights from Ebay

The looms contained two relays which because they came from China I will replace with known quality ones.

My question is am I right in thinking that all I have to do is run the live wire in the loom direct from the battery (fused) and then remove the existing H4 connector and replace with the H4 connector on the end of the new loom, then fit the three pronged male connector also on the new loom into the original H4 connector and find a suitable good earth for the earth wire and job done!

Or am I missing something important. I intend to run a separate new loom to each headlight even though the new loom has fitting for both headlights, that’s why I bought two looms, I will just strip out the extra wires and relay out of the each loom.

2nd Jul 2014 1:28pm

jimbob7

Member Since: 06 Jul 2013
Location: uk
Posts: 2055

Yeah,that sounds about right,as easy as that,fwiw, I ran a live direct from the alternator. Pov.spec,ftw. 2006, 110,TD5.

2nd Jul 2014 3:14pm

VeeTee

Member Since: 06 Mar 2011
Location: Somewhere
Posts: 1512

^ what he said. I also fitted the live wire direct to the alternator. Cheers, Vincent
1959 Polynorm 1/4 Ton Trailer, Olive Drab Green (sold)
1970 M416 Military Trailer (Camping Trailer Conversion), Epsom Green (sold)
1975 Series III 88 V6, Light Green (sadly sold)
1996 Defender 110 CSW 300 Tdi, Epsom Green (sold)
2000 Freelander 1 TD4 3-drs, Silver (sold)
2006 Freelander 1 TD4 5-drs Facelift Automatic, Tonga Green (sold)

MySite

2nd Jul 2014 6:48pm

L90Andy

Member Since: 29 May 2014
Location: Stratford-Upon-Avon
Posts: 722

I've got one on the shelf ready to be fitted (along with a lot more stuff when time permits!) and the instructions say to connect direct to the alternator. Other than that, do exactly what you plan.
For those that have one already fitted, is the benefit perceivable? If its really good i'll bump it up my to do list.
Thanks

3rd Jul 2014 3:01pm

Diablo

Member Since: 26 Oct 2011
Location: Basingstoke
Posts: 335

1984 Defender 90 200 Tdi SW Keswick Green

I made my own up, using decent gauge wire, so can't comment on these ebay sets, but otherwise, yes, there was a very noticeable difference on mine. Largely because lights were receiving the correct voltage, not 10-11 volts as it was previously.

And the switch shouldn't now melt

3rd Jul 2014 3:04pm

jimbob7

Member Since: 06 Jul 2013
Location: uk
Posts: 2055

Fitted Crystals, loom and Nightbreakers when I did mine,so can't comment on wiring loom mod.But as whole, yes a lot better,although I only used them for the first time last night,lol,roll on winter and dark nights

. Pov.spec,ftw. 2006, 110,TD5.

3rd Jul 2014 4:34pm

Dave T

Member Since: 07 Jun 2013
Location: Glasgow
Posts: 490

Loads better, I had ordered the Chinese ones but they never turned up. I made my own up and ran straight from the alternator, so now rather than 10 and a bit volts I get over 13 at the connector, almost a 30% rise in voltage and loads more light. They are now white rather than dull yellow

2015 RRS Autobiography SDV6
1994 Def 90 300tdi

3rd Jul 2014 8:26pm

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