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Author Topic: spark through the frame?  (Read 2183 times)

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Offline Voodoochikin04

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spark through the frame?
« on: November 09, 2009, 02:57:36 PM »
so i was having issues with my starter button not working.  i decided to cross the contacts on the back with a screw driver and got shocked with my other hand on the frame.. but not just shocked, i felt the pulsing like from the coils or something. this doesnt seem right.. whats the deal>?
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Offline Punkur67

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Re: spark through the frame?
« Reply #1 on: November 09, 2009, 03:06:57 PM »
I get the same thing with the optima bateries in all 3 cars with them.
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Offline fabr

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Re: spark through the frame?
« Reply #2 on: November 09, 2009, 03:23:19 PM »
???????????????
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Offline Nutz4sand

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Re: spark through the frame?
« Reply #3 on: November 09, 2009, 03:34:32 PM »
Its simple really. The starter relay coil when energized creates a magnetic field as does the starter windings field. This field can produce enough voltage as it generates and collpases that it zaps you.

Nearly any coil of wire can do this.

It only take about 30 volts for most humans to feel it through normal skin.

Its not near the voltage of a spark plug but its more than 30! So you feel it. 
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Offline Nutz4sand

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Re: spark through the frame?
« Reply #4 on: November 09, 2009, 03:36:10 PM »
I get the same kinda zap all the time when shorting my Ford starter relay with the handles of a pair of pliers. 
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Offline fabr

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Re: spark through the frame?
« Reply #5 on: November 09, 2009, 03:56:23 PM »
That I can see.
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but something else also, isn't an American at all.  We have room for but one
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the English language... and we have room for but one sole loyalty and that is a
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Theodore Roosevelt 1907

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Offline Boostinjdm

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Re: spark through the frame?
« Reply #6 on: November 09, 2009, 04:44:41 PM »
So a man goes to see the doctor.  Says, "doctor, doctor, it hurts when I do this.....".  Doctor says, "Don't do that."
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Offline Voodoochikin04

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Re: spark through the frame?
« Reply #7 on: November 09, 2009, 05:05:10 PM »
so its not the coils zapping the frame, and then zapping me?
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Offline Nutz4sand

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Re: spark through the frame?
« Reply #8 on: November 09, 2009, 05:11:29 PM »
Starter relay coil yes. Spark plug coil no.


But to be SURE you should hold the plug coil wire and have someone crank the motor to see if it feels the same or differrent...























 ;D ;D ;D
« Last Edit: November 09, 2009, 05:16:20 PM by Nutz4sand »
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Offline Voodoochikin04

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Re: spark through the frame?
« Reply #9 on: November 09, 2009, 05:14:51 PM »
yea..... ill get right on that....  ::)
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Ozpilot

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Re: spark through the frame?
« Reply #10 on: November 09, 2009, 05:46:36 PM »
Quote from: Voodoochikin04 on November 09, 2009, 05:14:51 PM
yea..... ill get right on that....  ::)

I don't disagree with anything anyone has said above but what has been mentioned is only one possible cause.  Given the fact you have had this strange thing going on where you gain power then lose it for no apparent reason I would have a good look around to see if you are leaking spark to the frame somewhere - it may make sense of the other problems you are having.
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Offline fabr

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Re: spark through the frame?
« Reply #11 on: November 09, 2009, 06:36:33 PM »
Quote from: Boostinjdm on November 09, 2009, 04:44:41 PM
So a man goes to see the doctor.  Says, "doctor, doctor, it hurts when I do this.....".  Doctor says, "Don't do that."
;D ;D ;D
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"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"
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