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Joel

Member Since: 18 Oct 2020
Location: Rotherham
Posts: 66

2002 Defender 110 Td5 DCPU Santorini Black

Auxiliary Wiring

Hi all,

New here, moved from a discovery to a defender td5 2002my.

I have a couple of questions about wiring auxiliaries.

My plan is to fit a dual battery system, T-Max probably.

I want to add a fusebox for the second battery, as well as a set of relays for my light bar etc. Has anyone used these fuse boxes from eBay with relays and fuses in? Do I need an inline fuse between the battery and the fusebox?

Second question, I plan to run a mud pod with Carlin switches in for the individual accessories. If I am using relays, is it fine to just use a single live up to the pod that will act as the switch live and for the switch illumination?

Final question for now, on the relays, do I need to fuse both the switch side and the accessory side of the wire?

Thanks in advance

18th Oct 2020 7:43pm

roel

Member Since: 08 Aug 2009
Location: Lelystad
Posts: 2039

With this:
http://nl.aliexpress.com/item/32814225354....web201603_

And this:
http://nl.aliexpress.com/item/400107820616...web201603_

I made my own dual battery system. A lot cheaper and you can program it the way you want.

I have it ignition controlled and the batteries connect after the voltage off the main battery is above 13 V and disconnects if the voltage comes below 12 V while winching etc. and if the ignition is switched off. You can also program a delay time in so it will first charge your main battery for x minutes before the batteries connect. Roel

1984 90 2.5 na Diesel - RR V8 (1994-2001)
1997 Camel Trophy Discovery 300TDI (2001-2009)
2005 G4 Discovery III 4.4 V8 (2008-2018) It's gone but it still hurts.
2003 90 Td5 (2009-now)

Last edited by roel on 19th Oct 2020 2:09pm. Edited 1 time in total

19th Oct 2020 2:02pm

Bluest

Member Since: 23 Apr 2016
Location: Lancashire
Posts: 3997

2007 Defender 110 Puma 2.4 XS CSW Java Black

I've literally just finished wiring in one of those cheap combined relay/fuse boxes. It's fine although I've only used three of the relay sockets and it's already getting a bit crowded in there with all the wires. They only come with exact amount of terminals and they are only for smaller gauge wire, but you can get extras that'll take bigger cables from the likes of 12v planet. I would use one again. 2007 110 TDCi Station Wagon XS

19th Oct 2020 2:07pm

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