i need to know if the coil i have is bad.

1990 MAZDA B2600
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DEATH1110
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the coil has 2 wires going to it,with the coil unpluged and key on one reeds 12v,the other reeds 0v with it pluged up both reed 12v,is this the right responce or do i hve a bad coil?
Jan 5, 2012 at 2:39 PM
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HMAC300
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you need to check coils by resistance not volts. primary ohms on rh side .77-.95 secondary resistance 6000-30000. Lh side 900-1100
Jan 5, 2012 at 3:35 PM
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