test to see if you are getting 12v to the small wire on the solenoid while a friend attemps to start the car...make sure you be safe while doing this. if car is automatic shift , make sure its in P, if Standard shift ..Keep foot firmly pressed on clutch pedal. if ya get your test lite to work every time the key is turned , then 100% sure ya need a new starter, if not ...........uh oh !..you will need a technician to look at it..75$ pr hr.