Ignition Coil Voltage
Started by
Gremlin
, Feb 18 2013 07:36 PM
6 replies to this topic
#1
Posted 18 February 2013 - 07:36 PM
I have a ballast resistor in my ignition circuit, but on the bottom of the coil it says 12V. I'm not sure if the previous owner accidently fitted a 12V coil. Can someone with a ballast resisted ingition circuit please have a look on the bottom of the coil to see if it is 12V. Thank you
#2
Posted 18 February 2013 - 08:33 PM
it should say 8v on a coil for balisted ign.
#3
Posted 18 February 2013 - 08:44 PM
Mine is ballasted coil, but is marked 12v near the terminals however the measured resistances between terminals are correct, (-'ve to +'ve 1.9 Ohms and centre plug to -'ve 5.9 Ohms) I have wire brushed my coil and that is the only marks I can see on it to be honest, but it runs on my ballasted system.
Graham
Graham
#4
Posted 18 February 2013 - 09:06 PM
Ok, thank you all. On the bottom of the coil it is stamped 12V, there is no sticker or other markings, I wonder what it says on yours?
#5
Posted 23 February 2013 - 06:55 PM
I've just thought about it and realised that there can't possibly be current through -'ve to centreMine is ballasted coil, but is marked 12v near the terminals however the measured resistances between terminals are correct, (-'ve to +'ve 1.9 Ohms and centre plug to -'ve 5.9 Ohms) I have wire brushed my coil and that is the only marks I can see on it to be honest, but it runs on my ballasted system.
Graham
#6
Posted 23 February 2013 - 07:42 PM
around 3 ohms is the reading between the + and - terminals on a standard 12v non ballasted coil, and 1.5 ohms on the same terminals of a ballasted coil if that helps
#7
Posted 24 February 2013 - 04:56 PM
To add to the above, make those resistance measurements with the low-tension wires removed (after you have marked them for position of course).
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