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Thread: Earth Strap

  1. 25th August 2007, 04:30 PM #1
    RichardK
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    Earth Strap

    Can anyone tell me the actual location of the earth strap between the engine (TDV6) and the chassis?

    A pic would be really appreciated
    RichardK

    Series IV Matrix Offroad Camper following our Discovery 3 with E Diff, BAS Remap, Mitch Hitch, Uniden UHF, Codan NGT HF, Masten TPMS, Proquip Compressor Guard, ARB Winch Bar, Milemarker Hydraulic Winch, 4x4 Intelligence Rear Wheel Carrier, VMS GPS with Rear Camera,
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  2. 25th August 2007, 04:52 PM #2
    Graeme
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    Maybe its like the D2 and doesn't have one.
    MY21.5 L405 D350 Vogue SE with 19s. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi, RTK base station using LoRa
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  3. 25th August 2007, 05:05 PM #3
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    Pedro_The_Swift
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    Problems Richard?
    "How long since you've visited The Good Oil?"

    '93 V8 Rossi
    '97 to '07. sold.
    '01 V8 D2
    '06 to 10. written off.
    '03 4.6 V8 HSE D2a with Tornado ECM
    '10 to '21
    '16.5 RRS SDV8
    '21 to Infinity and Beyond!

    1988 Isuzu Bus. V10 15L NA Diesel
    Home is where you park it..

    [IMG][/IMG]
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  4. 25th August 2007, 06:01 PM #4
    RichardK
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    Yes Pedro, to do with alternator charge, have a look at these links

    http://www.disco3.co.uk/forum/topic13233.html

    http://www.disco3.co.uk/forum/topic13878.html
    Last edited by RichardK; 25th August 2007 at 06:08 PM.
    RichardK

    Series IV Matrix Offroad Camper following our Discovery 3 with E Diff, BAS Remap, Mitch Hitch, Uniden UHF, Codan NGT HF, Masten TPMS, Proquip Compressor Guard, ARB Winch Bar, Milemarker Hydraulic Winch, 4x4 Intelligence Rear Wheel Carrier, VMS GPS with Rear Camera,
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  5. 25th August 2007, 07:12 PM #5
    ivery819
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    Richard:
    From my references:
    The battery earth cable terminates to the body behind LH front wheel arch liner.
    The engine terminates to the earth system by cable/s from the cylinder head/s terminated with dedicated bolts.ie not attached to a bolt used to hold something else on.
    I have no idea what is at the other end of this cable/s or where it goes after it/they leaves the cylinder head/s!
    The only reference I can find is that for some operations it/they must be removed........after disconnection of the battery.
    The cables from the cylinder head/s don't appear on the normal wiring diagrams. I have also checked the engine management circuits and the engine control circuits with out finding them. They are possibly shown somewhere (such as the tail light circuit diagrams !!!!!!)
    There are no pictures and no dedicated reference to an engine earth cable/s
    Sorry .......not much help !
    Last edited by ivery819; 25th August 2007 at 08:32 PM. Reason: more info
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  6. 25th August 2007, 09:19 PM #6
    Graeme
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    If the battery earth is terminated to the body then the engine earth should be from the body somewhere, not the chassis. This is what LR did on the D2, although they ran the earth lead from the battery to the engine with a tab to connect to the body along the way. Just because an auto elect ran an earth strap on a D3 to the chassis and it worked doesn't mean that its the correct/best solution.

    I'd be checking the voltage between the engine block/head and the battery earth terminal, and between the battery earth teminal and the body to find out if there's an earthing problem.
    MY21.5 L405 D350 Vogue SE with 19s. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
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  7. 25th August 2007, 09:54 PM #7
    RichardK
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    Sorry my mistake should read from engine to body.
    Voltages have been checked, the fitting of a temporary earth has fixed it but I want to know where the earth strap should be so I can check it out for proper connection or see if in fact it is there
    RichardK

    Series IV Matrix Offroad Camper following our Discovery 3 with E Diff, BAS Remap, Mitch Hitch, Uniden UHF, Codan NGT HF, Masten TPMS, Proquip Compressor Guard, ARB Winch Bar, Milemarker Hydraulic Winch, 4x4 Intelligence Rear Wheel Carrier, VMS GPS with Rear Camera,
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  8. 26th August 2007, 07:37 AM #8
    Pedro_The_Swift's Avatar
    Pedro_The_Swift
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    two good posts there Richard,,
    and a "simple" solution,,
    cant believe their lack of battery knowledge,,,,,

    isnt it amazing who you meet on Pommy sites
    "How long since you've visited The Good Oil?"

    '93 V8 Rossi
    '97 to '07. sold.
    '01 V8 D2
    '06 to 10. written off.
    '03 4.6 V8 HSE D2a with Tornado ECM
    '10 to '21
    '16.5 RRS SDV8
    '21 to Infinity and Beyond!

    1988 Isuzu Bus. V10 15L NA Diesel
    Home is where you park it..

    [IMG][/IMG]
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  9. 28th July 2021, 11:32 AM #9
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    jonesy63
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    Earth strap location and photo

    Quote Originally Posted by RichardK View Post
    Can anyone tell me the actual location of the earth strap between the engine (TDV6) and the chassis?

    A pic would be really appreciated
    Talk about digging up an old post!

    The earth strap runs from the off-side wheel arch (body) - to chassis - then to off-side engine mount. The off-side wheel has to come off, then remove the inner plastic guard - which will get you access to the body connection. The remaining two are best accessed from underneath with sump guard removed.

    Photo of the cable
    earth_strap.jpg

    These cables are starting to fail at the engine mount end - probably fatigue, and the mounting lug detaches.

    When it fails, when you try to start the car - the dash will light up but there will be no noise from the starter motor.

    Cheers,
    Rob
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