Mechanics

I NEED TO KNOW IF THE COIL I HAVE IS BAD.

1990 Mazda b2600

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?
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Death1110
January 5, 2012.



You need to check coils by resistance not volts. Primary ohms on rh side.77-.95 secondary resistance 6000-30000. Lh side 900-1100

Hmac300
Jan 5, 2012.