01-17-2014, 09:26 PM
Yes, you would just hook up both negative leads together. But, if the schematic calls for 100mfd and 30mfd, then follow the schematic. You will find all sorts of replacement parts in old radios. People used whatever they had, especially during the war. Always follow the schematic and check it before you replace anything.
The artist formerly known as Puhpow! 8)