Here ya go, direct from the factory service manual.
Mirror, Power, Outside Rearview Explorer
Removal
1. Remove the door trim panel, door speaker and peel back the water shield if necessary to gain access to the mirror wiring connector and mirror attaching nuts.
2. Disconnect the wiring connector.
3. Remove the three nuts attaching the mirror to the door.
4. Pull mirror away from the door while guiding the wiring out of the door.
Installation
1. Guide the wiring through the door.
2. Install the nuts attaching the mirror to the door. Tighten nuts to 6-8 N-m (53-71 lb-in).
3. Connect the wiring connector. Install the water shield using vinyl tape as required. Install the door speaker and install the door trim panel.