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You need to start at the Starter Relay to determine what the cause of your issue is.
The starter relay should be located on the L/F (Driver Side) strut tower.
You will need a 12 volt test light or a digital voltmeter.
There are four wires at the Starter Relay.
1)Red (RD) Constant Battery Power from the Battery through a Fusible Link
Power (12 volts) should be present all of the time.
Use a Digital Voltmeter or 12 Volt Test Lamp connected to the - Battery Terminal.
If power is not present repair the open circuit.
2)Yellow (YL) Switched Ignition Power from the Ignition Switch
Power (12 volts) will only be present when the key is in the "Start" position.
Use a Digital Voltmeter or 12 Volt Test Lamp connected to the - Battery Terminal.
If power is not present check for power directly at the Ignition Switch, if power is not present, replace the Ignition Switch
3)Brown/Yellow (BN/YL) is the Ground.
Use a Digital Ohmmeter to check for Continuity to Ground or a 12 Volt Test Lamp connected to the + Battery Terminal.
Ground is through the Neutral Safety Switch on an Auto Trans car and a Ground wire bolted to the transaxle on a Manual Trans car.
4)Brown (BN) The BN wire is the Output to the Starter Solenoid.
If you had power at steps 1 and 2 and had continuity to ground in step 3 but have no power at the BN wire with the key in the "Start" position, replace the Starter Relay.
5)If all 4 steps check OK then your issue is with the wiring connection at the starter from the
+ battery cable or the BN wire from starter relay or the starter itself.
If there is anything you do not understand or have questions Please feel free to ask.
This is what the Starter Relay looks like.