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Thread: Using a TD42ti pump in a GQ (wiring question)

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    Using a TD42ti pump in a GQ (wiring question)

    I have just fitted an 06 TD42ti motor into my GQ and just curious if anyone has a work around for the TCV on the pump and tacho sensor?

    I don’t have the factory ECU, using a GQ loom, have read about using a Hobbs switch to “trick” the TCV and using a spacer on a GQ tacho sensor but can’t find any real information about either.

    I will eventually be replacing the pump with a full mechanical pump but not flush with cash either so looking for a temporary work around, thanks in advance....
    Just another Blue over Silver GQ with another TD conversion

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    Administrator AB's Avatar
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    I can't help with the pump but yep I had to put a spacer on the sensor and it worked fine.

    Below 800rpm though the needle flutters a bit.




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    Reddave (13th August 2018)

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    I got the spacer from Patrolapart mate, let us know if you want more info mate, thickness, etc.


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    Reddave (13th August 2018)

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    Quote Originally Posted by AB View Post
    I got the spacer from Patrolapart mate, let us know if you want more info mate, thickness, etc.


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    Thanks, I’ll call patrolapart in the morning!
    Just another Blue over Silver GQ with another TD conversion

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    Called patrolapart this morning, they don’t have the spacers so I made my own!

    Now have a working tacho, just need to sort out the TCV wiring now
    Just another Blue over Silver GQ with another TD conversion

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    AB (14th August 2018)

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    Nice one!

    Does yours flutter or drop under 1000rpm?


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    Sits fine, will see what it does when I can actually drive it, which will be in a few days
    Just another Blue over Silver GQ with another TD conversion

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    Hey Reddave,

    how did you go with the Ti pump and the hobbs switch.

    I'm trying to put the Ti pump onto my silvertop.

    Cheers

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    Got it all sorted, but will be coming off soon to put a bigger pump in.

    Let me know what you’re stuck on and I’ll try help out
    Just another Blue over Silver GQ with another TD conversion

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    Hey mate digging up the past

    [QUOTE=Reddave;783161]Got it all sorted, but will be coming off soon to put a bigger pump in.

    How did you get this sorted mate i cant stop mine rattling it's head off and missing at idle

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