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  1. #61
    casual poster cpr1116's Avatar
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    Apr 2016
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    Hi Guys, We've got the engine in and it runs. But we are having trouble with the thermos. I've had the Chip modded to trigger the relay at the standard Commodore temperature (Which I think is 91degrees).

    I originally wired the relay like this. Which resulted in the thermos never turning on.




    I had a think and decided that this didn't work because the relay coil was getting no power. As after a bit of googling and reading, my understanding is that the earth comes from the blue/white 'C1' wire from the ECU once it gets the 91degree signal from the temperature sender.

    So I have rewired the relay like this.



    Now as soon as I connect the battery the relay kicks in and the thermos turn on. So with what I think the blue/white wire is supposed to do. Does this mean that it is already earthed and not when the sender sends the temperature signal.

    Or have I just wired up the relay incorrectly

  2. #62
    casual poster cpr1116's Avatar
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    Problem Solved. Traced the wires and the blue/white was earthing out. Removed that and it all works as it should.

  3. #63
    casual poster cpr1116's Avatar
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    Hey guys another issue hopefully someone has an answer for. The starter motor gear is catching on the flexplate once the engine is running. So there is a 'clacking' sound for want of a better explanation when the engine is going.

    The issue occured before we rebuilt the engine and I assumed it was just a dodgey starter so found this and followed it.

    https://www.aussiev8.com.au/holden-v...olts-info.html


    So the starter is a brand new Bosch unit and I also purchased brand new starter bolts for it. The starter engages correctly and the engine starts no worries. The noise does not always happen.

    There is only a tiny space between the starter gear and the flexplate when the engine is off. We've pulled the starter as far forward as possible (but there is not much in the way of adjustment available)



    Is this gap correct. When we installed the flexplate we bolted it straight to the crankshaft and then to the torque converter. Are Holdens supposed to have a spacer between the crank and the flexplate ???

    Any help would be appreciated

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