Vehicle & Technical > Discovery

wiring light bar

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stuntman:
If you have a snorkel run the wires down the side of that, I have drilled the roof and done everything properly on my last disco, but I wasn't happy with putting holes in the roof again.

You can then take the wires through the bulkhead in the engine bay.

Disco Matt:
Here you go - photos:

One of these red wires feeds the spots - the other is a switched 12v feed for my car PC


The power bus on the back of the bar - short wiring from spots is spliced into the cabling


A small hole in the roof:


and the relay that makes it all happen. It was easy to run the wire down behind the A pillar trim and into the fuse box area:

gamekeeperjames:
thanks alot for that. where can i get a rubber grommit like that from? most hardware shops?
james

Disco Matt:
I got a little blister pack of them from Motorworld, Halfords should have them too. Just make sure that you use one that's a good fit on the wire, and drill a hole that it's a tight fit in.

chris.hunt22:
I just ran the wires down the rubber gutter bit at the side of the screen and put some gaffer tape over the wire, it fits nicely into the groove that is already there (on a 300 tdi anyway), there is no need to go to the dash for anything (unless you are fitting a seperate switch), I just wired up my fused relays directly to the battery and took the switching feeds (side light and full beam in mine) from the o/s headlight wiring, overall an easy job, but as mentioned make sure you use good quality connections or they will soon corrode and fail.  Also depending on how your lights are wired, I fitted an upside down small tupperware box to the centre of my bar which has 4 lots of wires coming in (3 for each light in my case - 1 full beam pos, 1 side light pos and a neg) so 12 wires in all and splits off to just the 3 wires going down the gutter channel (if you are just having full beam then you only need 2 as I would not trust the roof or your spot lamp bar to be a reliable earth for all that ampage, mine on full beam is 4 x 100 watt!!)  Hope this helps, any questions PM me and I will be happy to help/take pictures etc.

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