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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4554

As marcoegyptos stated its Holder fuse P110 , fuse 15A , feed the ECM
Check under the bonnet , chafing wiring none problem with Puma TDCi 2.4 engine wiring loom
Post #715066 28th Jun 2018 8:26pm
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scottchad01



Member Since: 17 Jan 2018
Location: North Wales
Posts: 94

Wales 2008 Defender 90 Puma 2.4 SW Stornoway Grey
perfect, thank you marcoegyptos and dorsetsmith i will have a look into that tomorrow morning! appreciate all the help sorry for all the questions, a bit of a newbie when it comes to cars, but enjoying getting into it Thumbs Up
Post #715076 28th Jun 2018 9:09pm
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scottchad01



Member Since: 17 Jan 2018
Location: North Wales
Posts: 94

Wales 2008 Defender 90 Puma 2.4 SW Stornoway Grey
Success!!

had a look under the bonnet and couldnt see any frayed wires from the ecm, (probably because theyre in the plastic sleeve duuuh) so just double checked it was connected properly and gave the sleeve a little shake, replaced the fuse and bobs your uncle, we have lift off!

thanks for the help, feeling satisfied with myself not having to take it to the garage for once!
Post #715142 29th Jun 2018 11:13am
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4554

i have good look at this loom and find out wont the problem is and make permnet fix



Click image to enlarge



Click image to enlarge



Click image to enlarge


brown wire ( A) go to the holding fuse

connector Co448 also has ground wire in the same plug i have seen them shorted out and blowing that fuse

connector Co162 also has ground wire in the same plug i have seen them shorted out

wire can over heat do to a fault at lose insulation shorted out / chafing wiring also lose insulation shorted out in side split conduit wire to wire

connector Co411 also has ground wire in the same plug

connector Co 2518 also has ground wire in the same plug


Last edited by dorsetsmith on 29th Jun 2018 5:17pm. Edited 1 time in total
Post #715146 29th Jun 2018 11:36am
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scottchad01



Member Since: 17 Jan 2018
Location: North Wales
Posts: 94

Wales 2008 Defender 90 Puma 2.4 SW Stornoway Grey
great thank you! will have a look at those tomorrow
Post #715171 29th Jun 2018 3:44pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17305

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Check that engine harness carefully. They are notorious for chafing at any point where they touch the engine or are secured. If you're lucky, a fuse blows, but the main 100A feed from alternator to battery is in that harness and if that grounds your vehicle will spontaneously combust.
Post #715181 29th Jun 2018 4:26pm
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4554

double post Whistle
Post #715189 29th Jun 2018 5:17pm
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sloderby1



Member Since: 08 Feb 2018
Location: Derby
Posts: 20

Looking at the posted wiring schematic - the designers of the engine management see fit to equip it with 2 power inputs - in case one fails. Land Rover then connect them together and to a common feed thereby undoing all that effort and creating a single point of failure.
DOH!
Post #715210 29th Jun 2018 8:12pm
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scottchad01



Member Since: 17 Jan 2018
Location: North Wales
Posts: 94

Wales 2008 Defender 90 Puma 2.4 SW Stornoway Grey
well it seems this is going beyond my comfort zone Laughing Laughing so best just taking it to my local garage and explaining and letting them give the once over to make sure its all okay
Post #715245 29th Jun 2018 10:26pm
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zsd-puma



Member Since: 09 Aug 2016
Location: Kent
Posts: 2720

United Kingdom 2010 Defender 110 Puma 2.4 USW Santorini Black
sloderby1 wrote:
Looking at the posted wiring schematic - the designers of the engine management see fit to equip it with 2 power inputs - in case one fails. Land Rover then connect them together and to a common feed thereby undoing all that effort and creating a single point of failure.
DOH!


It's because it's a Ford Transit Engine harness being grafted into an existing Defender TD5 body harness - and it was done on the cheap.
Post #715249 29th Jun 2018 10:32pm
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