. If it's the main relay (under the dash, not the starter solenoid) that's clicking, it may be the computer is bad. Be sure and read sections A and B below:
https://www.askmehelpdesk.com/cars-t...das-46563.html
If the Check Engine Light stays on, when the ignition switch is turned to ON, perform the K-Test to see if your ECM is bad. Also, check all under-dash and under-hood fuses with a test light or multimeter.
. If it's the starter solenoid (relay) that's clicking, then you likely have a bad battery:
https://www.askmehelpdesk.com/cars-t...tml#post235560