Might have made a rookie mistake and not cleaned the connection. But on the off chance, I figured I'd ask. After I installed the starter, it ran all day, on and off probably 10 times. Next morning for work, no crank, all the power is still there.
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Did you do anything near the fuse box? Try tightening the 4 bolts in the under hood fuse box they tend to get loose over time and the connections get loose.
Best way to go about it is to first loosen them then crank them down really really tight.
Why did you replace the battery, alternator and starter?
How many volts in the battery?

 

Found it....the switch plug pushed in wrong, bent the pin....
LMAO @ me

 

So to took it back off, cleaned the connection, fixed the pin. Still only a single click. Battery tests at 12.06

 

Your battery is very low. Full charge should be 12.7-12.8 volts. Check the voltage at the battery and at the lug on the under hood fuse box. Also check the voltage at both spots while trying to start the engine. Voltage should be the same at both locations.

 

Single click? Like the relay is clicking but the solenoid is not? That would indicate a mix up in the wires at the starter.



The positive battery cable then goes to the alternator. Some HHRs have a fusible link between the starter and alternator.

 

Battery is low.