How do remove ECM from a 1989 Ford E-350 5.8L?

To remove the ECM (Engine Control Module) from a 1989 Ford E-350 5.8L, first disconnect the negative battery terminal to ensure safety. Locate the ECM, typically found under the dashboard on the driver's side, and remove any screws or bolts securing it in place. Carefully unplug the wiring harness connectors from the ECM, then remove the module from its mounting bracket. Finally, ensure you handle the ECM with care to avoid damaging it during the removal process.