Plug in the soldering iron and allow it to heat up to approximately 350°C. For more soldering instructions, check out the Como soldar e dessoldar contatos guide.

Prep the replacement cable and wires by using a wire stripper or pliers to remove approximately 0.5 inches of the plastic insulation.

Strip the hot and neutral wires belonging to the unit. In this model, the hot wires are black and red and the neutral wire is white.

Strip the wires belonging to the replacement cable.

Feed the replacement cable through the entry point at the back of the unit. If it does not fit, the rubber insulation can be stripped further using a utility knife.