Lebro Posted April 17, 2015 Report Share Posted April 17, 2015 I know this has been covered before, but I had to check out the coil on my 1935 Hillman today, & it was marked "CB" & "SW" The coil could be ment to go on a + earth, or a -ve earth car - did not know, so did a google search on the topic, & found this: http://mgaguru.com/mgtech/ignition/ig104.htm It is the best explanation I have seen, & shows an easy way to check the coil out (I used a moving coil meter - AVO 8) & it showed that the coil was intended for -ve earth car, which is what my car is. Bob. Quote Link to post Share on other sites
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