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Thread: Typical Isuzu County !!!!

  1. #11
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    Quote Originally Posted by manic View Post
    OP mentioned 'wire the fuel shutoff open' - the same would work on TDI's and the older 2.5 diesel LAND ROVER engines....

    Wondering though, how many amps would a short like that draw from the battery? Would it be more than the draw from the starter and if so could you not protect against it with some kind of mega-fuse near the battery connection?
    This fuse idea was discussed recently in another thread, but essentially the starter current draw is quite variable (potentially 3-500A) but a fire generating short can occur at a lot less than that. Think arc welder - small contact area with large cable to supply the current.

    Steve
    1985 County - Isuzu 4bd1 with HX30W turbo, LT95, 255/85-16 KM2's
    1988 120 with rust and potential
    1999 300tdi 130 single cab - "stock as bro"
    2003 D2a Td5 - the boss's daily drive

  2. #12
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    Quote Originally Posted by Bush65 View Post
    but that part of the OP was incorrect. There is no need to wire the shutoff lever on the fuel injection pump open - it has a spring that makes it default to open (the lever must be pushed/pulled against the spring to stop.

    I don't see how you could 'wire the fuel shutoff solenoid on tdi injection pumps open and drive with the battery disconnected. I don't know about the earlier rover diesel engines.
    Wire alternator to solenoid?
    - Justin

    '95 Disco 300TDI - sold
    '86 County 110 Isuzu
    2006 Range Rover Vogue td6

  3. #13
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    You just remove the Tdi stop solenoid and pull the plunger off the end and replace it.

  4. #14
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    Murray - I'm glad they are OK and got out of it lightly - could easily have be catastrophic had he not been near the vehicle.
    I have visions of a 100m dash with semi-hoisted trousers if it happened during the morning constitutional

    It does highlight the fact that these vehicles are getting on in years, but are so agricultural and reliable that its easy to take them for granted. Unfortunately, while the mechanicals are nearly bullet proof, the electrics aren't - and are only going to get worse with age.
    Something I've been guilty of myself is paying close attention to mechanical servicing, but not actually doing a proper inspection of hoses and wiring etc.
    With Flagg's smoke incident, and now this one hopefully we all pay a bit more attention to the issue before someone loses one.

    Steve
    1985 County - Isuzu 4bd1 with HX30W turbo, LT95, 255/85-16 KM2's
    1988 120 with rust and potential
    1999 300tdi 130 single cab - "stock as bro"
    2003 D2a Td5 - the boss's daily drive

  5. #15
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    Quote Originally Posted by justinc View Post
    that is 1; the very reason i removed the edic motor and use a pull stop cable, ...

    It takes 30s undoing 2x M6 bolts (10 mm spanner) to make an isuzu go again if the fuel controller electrics have died while in the off position.

    For that reason I have never seen the point converting. Though when the original motor dies it may be a different story.

    EDIT - I see Bush65 beat me to it.

  6. #16
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    hang on - he roll started it??

    I assume given it was facing forward over a cliff, it was A, at the top of a hill and B, roll started in reverse?? having tried it myself on the flat, on bitumen all I ended up with was a very sore shoulder when it stopped dead in its tracks!

  7. #17
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    Yep.. I've got a huge truck isolator coming that wont melt (this time). The plastic ones you get from supercheap are useless and imo a liability when something goes wrong. I always disconnect the battery when I'm not in it.

    When mine shorted, it melted the battery cables and isolator switch - a huge fuse would have stopped that. (after all, a fuse is just to protect your cables). I'm going to go to a car audio place and see if i can get a 500 amp fuse, and a spare 700+ to use in winter if i need it.

    The wiring in mine was so bad i could not ignore it, and while it is a long road ill get there. Ill so a thread up about it soon, once i sort out this latest hilarity.
    Hercules: 1986 110 Isuzu 3.9 (4BD1-T)
    Brutus: 1969 109 ExMil 2a FFT (loved and lost)

  8. #18
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    Quote Originally Posted by flagg View Post
    Yep.. I've got a huge truck isolator coming that wont melt (this time). The plastic ones you get from supercheap are useless and imo a liability when something goes wrong. I always disconnect the battery when I'm not in it.

    When mine shorted, it melted the battery cables and isolator switch - a huge fuse would have stopped that. (after all, a fuse is just to protect your cables). I'm going to go to a car audio place and see if i can get a 500 amp fuse, and a spare 700+ to use in winter if i need it.

    The wiring in mine was so bad i could not ignore it, and while it is a long road ill get there. Ill so a thread up about it soon, once i sort out this latest hilarity.
    Look forward to seeing what sort of truck isolator are you getting (and where are you mount it)? I saw a huge one on a semi the other morning and thought of you
    It would have been about 12cm cubed...

    Personally I wouldn't touch the car audio bling stuff - all gold plating and cheap clear plastics IMO. Check out the marine stuff from a decent boat shop or chandlers. I know Blue Sea do a Maxi fuse holder rated to 750A, and I'm sure there are other good brands.

    Steve
    1985 County - Isuzu 4bd1 with HX30W turbo, LT95, 255/85-16 KM2's
    1988 120 with rust and potential
    1999 300tdi 130 single cab - "stock as bro"
    2003 D2a Td5 - the boss's daily drive

  9. #19
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    Quote Originally Posted by EchiDna View Post
    hang on - he roll started it??

    I assume given it was facing forward over a cliff, it was A, at the top of a hill and B, roll started in reverse?? having tried it myself on the flat, on bitumen all I ended up with was a very sore shoulder when it stopped dead in its tracks!
    Was that in first? I found second or third easier with my old 2a. Never tried with a 4bd1 though.
    Hercules: 1986 110 Isuzu 3.9 (4BD1-T)
    Brutus: 1969 109 ExMil 2a FFT (loved and lost)

  10. #20
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    Quote Originally Posted by steveG View Post

    Look forward to seeing what sort of truck isolator are you getting (and where are you mount it)? I saw a huge one on a semi the other morning and thought of you
    It would have been about 12cm cubed...

    Personally I wouldn't touch the car audio bling stuff - all gold plating and cheap clear plastics IMO. Check out the marine stuff from a decent boat shop or chandlers. I know Blue Sea do a Maxi fuse holder rated to 750A, and I'm sure there are other good brands.

    Steve
    Hehe yes it is 75x100mm. The handle is 75x50mm. Fitting will depend on a few things.. tbd but on / near seat box/ transmission tunnel.

    Good point in the fuses...
    Hercules: 1986 110 Isuzu 3.9 (4BD1-T)
    Brutus: 1969 109 ExMil 2a FFT (loved and lost)

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