BYOC Spring Reverb Instructions Manual page 26

Cut two 1" pieces of wire. Strip 1/8" off each end and tin. These will
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be used to connect lugs/eyelets 1 & 7
Cut three 1.25" pieces of wire. Strip 1/8" off each end and tin. This
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will be used to connect lugs/eyelets 2, 5, & 8
Step 4: Install the foot switch into the enclosure if it isn't already. Insert
the foot switch wires into their respective eyelets on the PCB. You can
insert them into the top side and solder on the top side as well. The solder
pads should be large enough (if you are using a soldering iron that isn't too
big) to allow you to do this without burning the PVC coating on the wires if
you are careful. If you do singe the plastic on the wires, it's OK. It's not
going to hurt anything. It's purely aesthetic.