rewire

re- +‎ wire

rewire (third-person singular simple present rewires, present participle rewiring, simple past and past participle rewired)

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.

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.

• retool