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  1. #1
    casual poster wyldlc's Avatar
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    Default Vh Commodore ignition wire for holley sniper.

    Hi all just about to start the install of my holley sniper on my 355 vh Commodore.
    Im fine with it but am chasing some help on a clean 12v ignition source, by clean i mean not attached to radio, headlights etc.
    The wire needs to be active whilst cranking and before i dig in with a multimeter thought someone here may know which wires are active whilst cranking.
    Cheers Chris.

  2. #2
    casual poster wyldlc's Avatar
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    Default Vh Commodore ignition wire for holley sniper.

    Hi all just about to start the install of my holley sniper on my 355 vh Commodore.*
    Im fine with it but am chasing some help on a clean 12v ignition source, by clean i mean not attached to radio, headlights etc.
    The wire needs to be active whilst cranking and before i dig in with a multimeter thought someone here may know which wires are active whilst cranking.
    Cheers Chris.

    ********

  3. #3
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    I would find any of those sources mate and use it to switch a dedicated relay.

  4. #4
    Part of the furniture
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    Good choice keep us posted, I know you have been at the carb for a while.

  5. #5
    casual poster wyldlc's Avatar
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    Ok cool will do.
    m06922 yeah funny thing is ive had the carby spot on for a while now but am tired of playing with it.
    Actually ran 11.10@126mph on the weekend with it and it performed perfectly.
    Efi seems to be the way to go these days.

  6. #6
    Do you ever leave?
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    Give Mick a call, he just put a sniper kit on his VK.

  7. #7
    Do you ever leave? paulzig's Avatar
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    You wont get cranking and ignition at the same time unless you bridge those 2 terminals on the ignition switch...

  8. #8
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    Yeah use the 12v ignition to switch a relay with a feed directly from battery....the ignition barrel can get some voltage drop when old.
    I ran a new 12v ignition feed from within my vh steering column to my msd and fuel safety relays

  9. #9
    Senior Member GASSD6's Avatar
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    Quote Originally Posted by wyldlc View Post
    Ok cool will do.
    m06922 yeah funny thing is ive had the carby spot on for a while now but am tired of playing with it.
    Actually ran 11.10@126mph on the weekend with it and it performed perfectly.
    Efi seems to be the way to go these days.
    did run mint mate, im keen as to see ya progress with the sniper hope it makes a difference for ya

  10. #10
    casual poster wyldlc's Avatar
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    Mark i had a good chat after talking with you, all sorted.
    He's just run directly off the old coil feed pink wire and it works perfectly, i could probably just used the pink wire to trigger a relay if needed but mick doesn't seem to think i need to.
    Ricky cheers mate, i was a probably a little disappointed not to get the 10, especially with all the work done but the mph says it will eventually get there, im sure mark (hq368) will sort it haha.
    Think the wagon could need a diet, be nice if it weighed the same as a sedan.
    Last edited by wyldlc; 09-05-2018 at 08:39 AM.

  11. #11
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    Pink wire should be fine. I just have thing about clean power for EFI or other components. I ended up making a completely new harness for my ignition, fan and fuel pump. Can kill it all with a switch, prevents me chopping into my factory loom and any issues old wiring may cause. Enjoy the EFI though! Will be following this for sure.

  12. #12
    casual poster wyldlc's Avatar
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    The pink wire is currently feeding my 6al so was just thinking of adding in a small 4 post fuse panel or even a busbar.
    2 seperate relays may also be the way to go, not 100% sure yet.
    The only real way to get truly clean 12v would be to run efi to the pink and rerun the msd elsewhere i guess.

  13. #13
    casual poster wyldlc's Avatar
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    Ive already got a similar setup to shut the whole lot off if needed, probably a good opportunity to clean a bit of stuff up actually.

  14. #14
    Not the Kingswood! hq308's Avatar
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    You'll be better off in the long run if you add a relay, the ignition switch and wiring are around 35 years old providing plenty of opportunities for voltage drops. A relay will reduce the amount of current going through the factory stuff and help it last a bit longer and be much more reliable.

  15. #15
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    Quote Originally Posted by wyldlc View Post
    The pink wire is currently feeding my 6al so was just thinking of adding in a small 4 post fuse panel or even a busbar.
    2 seperate relays may also be the way to go, not 100% sure yet.
    The only real way to get truly clean 12v would be to run efi to the pink and rerun the msd elsewhere i guess.
    Yep that’s what I did. Pink wire to master switch. That switches all relevant and any future relays. Then a busbar with a big 12v cable fed via the starter motor and 80 amp fuse. MSD, pump and relays get power from the busbar. Also ran another busbar for earths. The pump is fused and if anything else goes tits up the original ignition fuse for the pink wire will blow as well.

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