I’ve notice when the weather is warm my pickup works and when it’s cold, it stops working. What could be the problem?
I recently had this problem with a Broadcaster pickup sent to my by long time friend Sid McGinnis who has played guitar on the David Letterman show since 1984. As I examined the pickup there appeared to be no physical evidence of problems from the outside. As I measured the pickup I noticed the DC resistance would change upon pressing on the low E magnet. I then chilled the pickup and noticed the resistance would go lower then quit. As it warmed up the pickup would have a high DC resistance and then drop and stay constant around 4.7 to 5.2 K ohms DC. This was to low for an early Broadcaster pickup. So I decided to remove the plain enamel wire turn for turn till I got to the problem. As I nearly removed all the wire I began to see the problem within the bobbin. The end magnet had a crack in it from some unknown reason. This can happen when using a dull chisel to remove an old coil and the excessive side pressure can crack the end magnets. Sid’s bobbin was original and I had to fix the p
