Measuring cut 18 inches of black 24 gauge red 24 gauge copper wire and heat shrink tubing.
Run the wire through the Heat shrink tubing.
Use that heat gun to shrink wrap the tubing, hold it in the air and do not do on wooden surfaces.
Bend and cut sheet metal so that it can be hammered in and stapled.
There should be a gap between so we can push down on it to complete the circuit.
Pre-drill a small hole to put the neutral wires in with the screw
It is easier to attach the bolt to the block first and then the wire.
Make sure to have the black, line, wire connected to the negative terminal.