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Old 10-18-2011, 09:38 AM   #9
MrTube
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Default Re: 12 volt or 6 volt coil how to tell difference

Quote:
Originally Posted by RonC View Post
12 volt coils are actually 6 volt coils with a resister connected in series within the primary circuit usually internal to the coil. That fact allows you to check the ohms across the primary terminals to see what the resistance is of the coil. As mentioned above a 6 volt coil should have less than 2 ohms and a 12 volt coil will have more closer to 2.5 to 3 ohms of resistance
I agree however, how many people here own an ohm meter which is known to be accurate within 1 ohm? Sure a cheap analog meter will show a difference between a 6v coil and a 12v one, but what if someone has no reference?
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