My right turn signal sometimes it will either not come on or will blink in the left side?

It sounds like the BCM is going out, I would remove the electrical connector and check for corrosion and if it is clean, I would get a rebuilt unit by searching google or eBay, here is the location so you can check I out and replace the unit if needed.

REMOVAL
1. Disconnect and isolate the battery negative cable.
2. Remove the lower instrument panel silencer.
3. Remove the knee blocker and reinforcement.
4. Disconnect the five wire connectors from the bottom of the Body Control Module (BCM).
5. Move bulkhead wiring aside.
6. Remove the screws holding the BCM to the bulkhead.
7. Remove the BCM from the mounting bracket.

INSTALLATION
1. Install the BCM to the mounting bracket.
2. Install the screws holding the BCM to the bulkhead.
3. Connect the five wire connectors to the bottom of the Body Control Module (BCM).
4. Install the knee blocker and reinforcement.
5. Install the lower instrument panel silencer.
6. Connect the battery to negative cable.
7. Verify proper operation of BCM and its functions.

Check out the images (below). Please let us know what happens.