You may have a electrical short in your ignition switch or in your fuse relay box,check to see if any water may have gotten into the fuse box relays.
Check your battery.
Check battery, charge it or change it. Dead battery.
The blinking on your Nikon D3300 battery charger indicates that it is charging the battery.
if clicking but not starting dead battery if it starts it's one of the many relays that open and close during startup
Battery is dead or you have a bad solenoid. Connections at the solenoid and/or starter could be loose or corroded.
If your 2002 Cadillac DTS won't start and there's no clicking sound, the issue may be related to the battery, starter, or ignition system. First, check the battery connections for corrosion and ensure the battery is charged. If the battery is fine, consider testing the starter and ignition switch. If these components are functioning properly, further diagnostics may be needed to identify any electrical or fuel system issues.
starter relay , up of the battery , open ignition on , place car on park and jump it.
Put Key in ignition and turn it a bit.
Dead battery, loose or corroded battery connection, or defective ignition switch. Can also be a defective neutral safety switch.
Probably a weak battery or the starter drive is stuck.
Did you try checking or replacing the battery? Usually clicking when trying to start means dirty battery terminals or a dead battery. That's the first thing to check, before ignition switches, ignition relays, and starters; auto parts stores will check it for free. If it's dirty or corroded terminals, clean them up and try starting again. If it's dead and old, just replace it. It it's a new battery and it's dead, check your charging system (alternator, fuses, belts, etc).
The clicking noise from the engine often indicates a weak or failing starter motor or a poor connection in the electrical system, despite the battery being good. The fast-blinking lights suggest a potential issue with the alternator or a problem with the electrical system as well. It’s advisable to check the battery terminals for corrosion, inspect the starter connections, and consider testing the alternator. If these components are functioning correctly, it may be time to consult a mechanic for further diagnosis.