You cannot fix it, just replace it.
Replace Replace
The starter solenoid is on the starter.The starter solenoid is on the starter.
The starter solenoid is on the starter.The starter solenoid is on the starter.
The starter solenoid is built on the starter.The starter solenoid is built on the starter.
The starter solenoid is on the starter.
The solenoid is on the starter.
The solenoid is on the starter.
The starter solenoid is on the starter. The transmission solenoids are on the transmission.The starter solenoid is on the starter. The transmission solenoids are on the transmission.
This usually means a sticking solenoid that keeps the starter engaged after activation. The fix is to remove the starter and clean but my s-10 starter is a closed unit so you will have to replace the complete starter and solenoid unit.
The starter solenoid is on the starter.
The starter solenoid is inside the starter
The solenoid is on the starter.