I looked at the Repair Manual and these are the causes printed there. My bets are on the ignition switch or the stater solenoid circuit if there are no clicks.

STARTER FAILS TO
OPERATE.
1. Battery discharged or
faulty.
1. Refer to Battery in the Diagnosis and Testing section of
Group 8F - Engine Systems. Charge or replace the
battery, if required.
2. Starting circuit wiring
faulty.
2. Refer to Starting System in Group 8W - Wiring
Diagrams. Test and repair the starter feed and/or control
circuits, if required.
3. Ignition switch faulty. 3. Refer to Ignition Switch and Key Lock Cylinder in the
Diagnosis and Testing section of Group 8D - Ignition
System. Replace the ignition switch, if required.
4. Park/Neutral position
switch faulty or
misadjusted.
4. Refer to Park/Neutral Position Switch in the Diagnosis
and Testing section of Group 21 - Transmission. Replace
the park/neutral position switch, if required.
5. Starter solenoid faulty. 5. Refer to Starter Motor in the Diagnosis and Testing
section of Group 8F - Engine Systems. Replace the
starter motor assembly, if required.
6. Starter motor faulty. 6. If all other starting system components and circuits test
OK, replace the starter motor assembly.