There could be a wire break causing the loss of power to the solenoid. Or there could be a problem with the neutral safety switch, if the switch is bad there will not be any power to the solenoid.
The positive battery cable connects directly to the starter. Depending on what type of vehicle it is, the solenoid is either on the starter or on the inner fender. Power for the solenoid comes from the ignition switch. You can run a wire to the solenoid to cause the starter to engage.
A starter will not disengage if the ignition switch is stuck or if the solenoid has jammed. This will cause the starter to constantly receive power.
Check power from your ignition, and power at the starter
Yes, a starter solenoid can drain a battery. When a starter solenoid is not working properly it can actually keep rotating the starter after the car's ignition is turned off. Since it requires a battery to actuate the starter, the battery will eventually be drained of power.
check the power at the ignition swicth, make sure that it is sending a signal.
When you turn the key all the way forward to start the vehicle, that not only turns your ignition system on, it also engages the starter and bendix drive. When you release the ignition switch, it returns to the position where the ignition is still hot, but the power to the side of the solenoid that engages the bendix drive is dead.
Possibly the neutral switch is at fault.
3 reasons either the starter is not getting power from the solenoid, solenoid is not getting power from the battery or starter is burned up.
it's easy to check the solenoid, put a screw driver across the large nut & the smaller one, and if the starter engages it's the solenoid .make sure the vehicle is in park, or the e- brake is on. ( with key on)
It may be the starter solenoid that is clicking. If the battery is very low when you try to start the car, the solenoid will engage but the starter will not turn. Because the battery is so low, there is not enough power to hold the solenoid closed (in the start position) and try to turn the started so as the starter draws power, the solenoid clicks open, The starter doesn't draw any power with the solenoid open so the solenoid has power to close again, the starter tries to draw power and the cycle repeats. The sound seems to come from behind the glovebox because the solenoid is probably mounted on the passenger side of the engine compartment.
Not much info to go on. Is the starter cranking the engine?
check g/box inhibitor switch could be out of adjustment