rewire

Etymology

re- + wire

verb

1. To replace or reconnect the wires of a device or installation.
   I had to rewire the circuit where the old wires had shorted out.
   The electrician said that we couldn't add a new outlet without rewiring.
   During those overhauls the locomotives were also rewired, updated, and had any corrosion dealt with. October 23 2019, Pip Dunn, “The next king of Scotland”, in Rail, page 50
2. To change the functionality of something by altering the parameters or logic.
   When our companies merged, I rewired our payment processing system to handle their invoices as well.

noun

1. The act of replacing the wires of something