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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8051
 2011 Defender 110 Puma 2.4 USW Stornoway Grey
Ignition feeds
On a puma ignition barrel there is a white and white with orange, iirc, ignition feed.

The white wire is pos II live
The white and orange is pos I live.

What's the difference?

Do both pos I and II keep 12v when cranking? Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #1029859 30th Mar 2024 9:04pm
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macfrank



Member Since: 05 Nov 2015
Location: somewhere in the north
Posts: 1081
Germany 2015 Defender 110 Puma 2.2 SW Keswick Green
The lower switch postitions will keep 12v when a higher pos is selected, if that's the question?
white-orange is 12v for radio etc., white is ignition live, white-red is crank,
https://www.lrworkshop.com/wiring-diagram/...ing-system
https://www.lrworkshop.com/wiring-diagram/...label=S176
Post #1029862 30th Mar 2024 9:40pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8051
 2011 Defender 110 Puma 2.4 USW Stornoway Grey
Cheers

I was wondering if one of those two ign feeds had a greater priority. Ie I need a 12v ign feed that prioritises for a fuel pump and doesn't drop, as much, when cranking. Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #1029864 30th Mar 2024 9:47pm
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PaulMc



Member Since: 17 Jan 2009
Location: Kent
Posts: 502
United Kingdom 1989 Defender 110 2.5 TD HT Arles Blue
This is how the fuel pump is wired in a factory V8 of 300Tdi vintage -


Click image to enlarge


I've copied this circuit diagram for harnesses that I've made for 200Tdi / 300Tdi to V8 conversions.

. Paul.
1989 Arles Blue 2.5TD 110 Hardtop
1999 Epsom Green Discovery II 4.0 V8i 'XS'
Post #1029869 30th Mar 2024 10:40pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8051
 2011 Defender 110 Puma 2.4 USW Stornoway Grey
I have also taken it from the white feed.

Thank you. Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #1029871 30th Mar 2024 10:49pm
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