How do you change starter solenoid on 95 Cadillac Eldorado?

To change the starter solenoid on a 1995 Cadillac Eldorado, first disconnect the negative battery cable to ensure safety. Remove the starter motor by unbolting it from its mounting bracket and disconnecting the wiring. Once the starter is out, you can replace the solenoid by removing the retaining screws, swapping the old solenoid for the new one, and reassembling everything. Finally, reinstall the starter, reconnect the battery, and test to ensure proper function.