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tankpeople



Member Since: 30 Dec 2023
Location: Fife
Posts: 16
United Kingdom 
Engine out - wiring ?
Hi - I'm in the process of removing the engine in my 2009 Puma 2.4 to change the chassis, and stuck with disconnecting the engine loom - I'm unsure how much needs to be removed/disconnected. I have checked all the connectors on the loom from the ECU via the injectors etc down to the alternator - all the connectors undo easily except the alternator main cables at the end of the engine loom which look very hard to get at . It looks like it might be possible to leave the main loom on the engine and disconnect at the ECU end where the other end of the loom seems to head into the cab via the bulkhead .
Any advice greatly appreciated.
Thanks in advance .
Post #1019848 2nd Jan 2024 2:59pm
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NickMc



Member Since: 01 Oct 2014
Location: Norn Iron
Posts: 1620
Northern Ireland 2006 Defender 90 Td5 HT Bonatti Grey
There is plugs at the bulkhead beside the expansion tank.
Post #1019858 2nd Jan 2024 3:45pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17320
United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
As above, leave the engine harness on the engine and disconnect at the ECU connector and starter motor.

Whilst the engine is out, it is sensible to check the engine harness for chafing damage - it is very common for there to be significant damage at any point where the harness is secured to the engine.
Post #1019871 2nd Jan 2024 4:49pm
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tankpeople



Member Since: 30 Dec 2023
Location: Fife
Posts: 16
United Kingdom 
Thanks, does the large cable have a plug into the ECU module that comes out ?.
Post #1019872 2nd Jan 2024 4:51pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17320
United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
No, IIRC it connects to the starter en route to the battery.
Post #1019898 2nd Jan 2024 8:56pm
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tankpeople



Member Since: 30 Dec 2023
Location: Fife
Posts: 16
United Kingdom 
Ok thanks for the help, Ill have a go tomorrow. Cheers JIM
Post #1019908 2nd Jan 2024 10:32pm
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NickMc



Member Since: 01 Oct 2014
Location: Norn Iron
Posts: 1620
Northern Ireland 2006 Defender 90 Td5 HT Bonatti Grey
There is a Defender electrical manual you can download from a search engine that you would probably find useful as it shows the connectors, pictures and locations.
Post #1019913 2nd Jan 2024 10:55pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17320
United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
You may also want to download the WSM for the vehicle, since this outlines step-by-step the engine removal procedure!
Post #1019919 2nd Jan 2024 11:49pm
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