ajlelectronics
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You have bought electrolytic capacitors. The waxy one isn't! There are various ways that polarityis indicated, a colour spot around one end's connection is typical of that type of capacitor. Otherwise One end could be indented etc. The only other way is to look at the circuit diagram to work it out.
You seem to have a 47uF replacement for a 2uF original?
You seem to have a 47uF replacement for a 2uF original?