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Too much spark!

Afternoon all, have replaced the old points dizzy on the Q with a blue motor electronic. Wow what a difference that made!
Only thing that has me slightly perplexed is that when trying to turn the big girl off she just keeps running - literally putting it back into gear is the only way to get the engine to shut down with the key off. Must be picking up a power feed from somewhere or throwing current across the relay (40 amp), anyone come across this before?

Model: 
Engine: 

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Often caused by timing too far advanced

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If you have used a relay to provide the full 12v for the coil it will usually not release if it is fitted to the ignition feed (yellow wire). There is an article in the Holdenpedia on the best way to wire them up to avoid it. If you have followed that guide then try the advance as suggested by hushtech.

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Anthony - Lettuce Alone SS

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T

My Shed

Holdenpaedia, they're the brakes Mate.

Thanks fellas, wound it back a bit and replaced the vac hose while I was there. Surprised at how much advance it can handle to be honest. Thanks again.

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i never wired mine properly in my old hq wagon, just a relay fed from the yellow wire. i find if i turn the key off THEN pull the handbrake, the handbrake lamp is enough to allow it to turn off.

might even fix it properly one day...

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I have 2 HRs wired them both up with a relay one kept runnning one would work fine The naughty hr did the same thing as you mentioned it was back feed through the alternator wire I disconnected it and it turns on and off

There is a write up on old holden about this might need a resistor in place on the alternator wire to stop it

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David

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T

My Shed

Holdenpaedia, they're the brakes Mate.

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