Re: 12 volt or 6 volt coil how to tell difference Ok you lot, Slow witted limey here... most of us have kicking around our workshops a variety of coils like this....
a) coils for 12 volt non ballasted ignition circuits, b) coils for 6 volt ignition circuits, c) coils for 12 volt ignition circuits with a ballast resistor. d) so-called sports coils for 12 volt circuits. Can we get a definitive answer between us as to how to identify each of them? |
Re: 12 volt or 6 volt coil how to tell difference Quote:
a) coils for 12 volt non ballasted ignition circuits ---- will show 12 v out when put from one terminal to the other b) coils for 6 volt ignition circuits ---- will show 6v out when 12v is put in one side c) coils for 12 volt ignition circuits with a ballast resistor ---- will show 6v out when 12v is put in one side due to the internal resistor d) so-called sports coils for 12 volt circuits ---- will show 12 v out when put from one terminal to the other. Hope this Helps. Dave |
Re: 12 volt or 6 volt coil how to tell difference Quote:
I find 12 volt coils are marked 12 volts on the case, but this still doesn't tell you if it should have an external resistor. I'd connect the voltage across the 2 primary termianls to determin if it needs an external resistor. If the coil draws about 3 to 4 amps then it shouldn't need an external resistor. If it draws more amps, then add a resistor to bring the current draw down to 3 to 4 amps. BTW, the markings "DIST" and "BAT" on the coil primary termianls are useless unless you know what the coil was built for as far as battery ground. |
Re: 12 volt or 6 volt coil how to tell difference Quote:
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Re: 12 volt or 6 volt coil how to tell difference Succintly.... YES!
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Re: 12 volt or 6 volt coil how to tell difference Quote:
I know a lot of people consider changing parts the easiest way to go, but it isn't the cheapest way to fix the problem and often leads to more problems. http://www.chicagolandmgclub.com/tec...neral/574.html |
Re: 12 volt or 6 volt coil how to tell difference Aaaaah Tom, you've started us coil polarity again, you cad!
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Re: 12 volt or 6 volt coil how to tell difference Quote:
A brand new 6 volt coil at autozone costs only $16.00. I guess it depends on what your time is worth expecially if that kicking around coil quits during your next tour. |
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