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Engine wont stop!!! MSD 6al in a XB 

 

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 Post subject: Engine wont stop!!! MSD 6al in a XB
Posted: Tue Feb 06, 2007 8:45 pm 
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Gday,

Iv just installed a MSD 6AL in my XB. It runs great but, the car keeps running after I turn the key off. The instructions say I have to slap a diode inbetween the voltage regulator and the charging light. Just wondering where exactly is the regulator and if they are referring to the ALT light?

Thanks,
Matt

 

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Posted: Tue Feb 06, 2007 9:06 pm 
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regulator is alternator (or part of it), iirc

so yes, they would mean ALT light

 

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Posted: Tue Feb 06, 2007 9:19 pm 
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So maybe I could put the diode in the small wire that connects to the back of the alt that controls that light?

 

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Posted: Tue Feb 06, 2007 9:25 pm 
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well, all a diode does is stops current coming back, so it can't hurt anything that i can think of! :P

 

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Posted: Tue Feb 06, 2007 10:34 pm 
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Thats what I was thinking, I'll give it a go tomorrow and see if it stops with the key or if I need to take the main power off the ignition unit again.

 

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Posted: Tue Feb 06, 2007 10:36 pm 
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i don't see how that would make a difference - the voltage that goes to the light would be nowhere near enough to keep the engine firing lol

 

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Posted: Tue Feb 06, 2007 10:45 pm 
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Well apparently it is, thats what it says to do in the instructions. It says that the 6AL needs stuff all voltage to run and thats enough to do it.

 

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Posted: Tue Feb 06, 2007 11:05 pm 
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fair enough lol :?

let me know how you get on!!

 

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Posted: Wed Feb 07, 2007 2:18 am 
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yeah, the diode on the alternator light wire will solve it, use a 1N5404 diode, with the striped end facing the alternator.
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Posted: Wed Feb 07, 2007 8:49 pm 
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Top stuff, engine turns off! Seems the diode in the ALT wire directly off the alternator did the trick. This multispark ignition is great, more power, smoother, easy starting, now to start playing with the advance curve.

Thanks for the help.

 

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Posted: Wed Feb 07, 2007 8:51 pm 
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so when's it coming out to play? :lol:

 

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Posted: Wed Feb 07, 2007 8:54 pm 
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My EA used to stay on after I turned the ignition off and removed the key, I never thought someone else would experience the same wierd problem

 

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Posted: Wed Feb 07, 2007 11:12 pm 
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Mac Winter 76XB351GS wrote:
Top stuff, engine turns off! Seems the diode in the ALT wire directly off the alternator did the trick. This multispark ignition is great, more power, smoother, easy starting, now to start playing with the advance curve.

Thanks for the help.


Advance curve, use the black bush, and one light silver and one light blue spring. Set your base timing at around 16 degrees and go from there
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Posted: Wed Feb 07, 2007 11:27 pm 
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hmmm this may be off topic a little but is it worth having a MSD if you have a stock engine?

I am planning on putting in extractors and a cam in...but not sure if it is worth chucking in a MSD.

cheers

phong =P~

 

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Posted: Sun Feb 11, 2007 10:30 pm 
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phongus wrote:
hmmm this may be off topic a little but is it worth having a MSD if you have a stock engine?

I am planning on putting in extractors and a cam in...but not sure if it is worth chucking in a MSD.

cheers

phong =P~

Imo YES !!!

 

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