F-150 - Side View Mirror Replacement 🚙

Got it—you want to replace the side mirrors on your Platinum. I’ll walk you through the OEM-style procedure.

Quick check: Your Platinum mirrors usually have several features: power adjust, power fold, turn signal, puddle lamp, memory, and often blind-spot (BLIS) and heat. To keep everything working, you must match the replacement mirror’s options to what you have now.

Before we start: Are you replacing both mirrors or just driver/passenger side, and are your mirrors power-folding? (If you’re not sure, tell me if they fold in by pressing a button.)

I’ll assume: 2015 F-150 Platinum, power mirrors with memory and signals, no major body damage.

Tools & Parts You’ll Need 🧰

• 🔧 Basic tools
  • Ratchet (small hand tool that turns sockets)
  • 8 mm socket (mirror nuts on most 2015 F-150s)
  • 7 mm socket (door panel screws)
  • T-20 Torx driver (star-shaped screw bit for trim screws)
  • Flat trim tool / plastic pry tool (plastic lever to pop panels without scratching)
  • Small flat screwdriver (for electrical connector locks; wrap tip with tape)
• 🪛 Optional but helpful
  • Magnetic pickup tool (to grab dropped nuts inside the door)
  • Painter’s tape (to protect paint around mirror)
• 🪞 Parts
  • Replacement side mirror assembly (match: power-fold, memory, heat, BLIS, puddle lamp, turn signal, chrome/painted cap)
  • New mirror nuts (M6 flange nuts, Ford usually recommends replacing if corroded)

Safety & Prep ⚠️

• ⚡ Disconnect the battery
  • Open hood, use 10 mm wrench to loosen negative (-) battery terminal and remove it.
  • This prevents short circuits and protects modules like memory seats and BLIS.
• 🧤 Protect the truck
  • Put painter’s tape around the mirror base and door edge.
  • Roll the window down—if you drop something, it’s easier to retrieve.

Step 1 – Remove Interior Door Trim Near Mirror 🪟

You’ll remove the small triangular trim at the front top of the door panel and then the door panel itself to access the mirror wiring and nuts.

• 🔩 Remove the sail panel (small triangle trim at mirror)
  • This is the plastic piece inside the door, right where the mirror mounts.
  • Use a plastic trim tool at the edge and gently pry outward.
  • It’s held by clips—pull straight away from the door, not up or down.
  • Unplug any small tweeter speaker connector if present and set panel aside.
• 🔧 Remove door panel screws
  • In the door pull handle (where you grab to close the door), pry off the small trim cover with a trim tool.
  • Remove the two 7 mm screws inside that handle.
  • At the bottom edge of the door panel, remove the visible 7 mm screws (usually 2–3).
  • Check around the door handle area for a small T-20 Torx screw behind a cap; remove if present.
• 🚪 Release the door panel
  • Start at the bottom corner with a trim tool and gently pry the panel away from the door.
  • You’ll feel plastic clips popping—this is normal, just go slowly.
  • Once the bottom and sides are loose, lift the panel straight up to unhook it from the window ledge.
• 🔌 Disconnect door panel wiring
  • Support the panel with your knee or a box so it doesn’t hang by the wires.
  • Unplug:
    • Window/lock switch connector
    • Door handle cable (usually a plastic clip and a cable end that lifts out)
    • Any courtesy light connector at the bottom
  • Set the door panel aside somewhere safe.

Step 2 – Access and Disconnect Mirror Wiring 🔌

• 🔍 Locate the mirror connector
  • Look at the front upper corner of the door, behind where the sail panel was.
  • You’ll see a wiring connector (or more than one if you have BLIS/puddle lamps).
• 🧲 Unplug the mirror harness
  • Press the small locking tab on the connector with your thumb or a small flat screwdriver.
  • Pull the connector apart—do not pull on the wires.
  • If there are multiple connectors, unplug all that go to the mirror.

Step 3 – Remove the Old Mirror 🪞

• 🛡️ Support the mirror
  • From outside, hold the mirror housing with one hand so it doesn’t fall.
  • If you’re working alone, you can put a towel on the door to catch it, but still try to hold it.
• 🔩 Remove mirror mounting nuts
  • From inside the door, use an 8 mm socket and ratchet.
  • There are usually three 8 mm nuts holding the mirror to the door.
  • Remove them one by one while still supporting the mirror from outside.
  • Tip: Keep a hand or finger over the nut as you remove it so it doesn’t drop inside the door.
• 🚙 Remove the mirror from the door
  • Once the nuts are off, gently pull the mirror away from the door.
  • Feed the wiring harness and grommet out through the hole.
  • Set the old mirror aside.

Step 4 – Install the New Mirror ✅

• 🪞 Position the new mirror
  • Feed the new mirror’s wiring harness through the opening in the door.
  • Align the mirror studs with the holes in the door.
  • Hold the mirror flush against the door.
• 🔩 Install mirror mounting nuts
  • Thread the three 8 mm nuts on by hand first to avoid cross-threading.
  • Then tighten with a ratchet.
  • Torque spec: about 8–10 N·m (71–89 in-lb)—snug, not “gorilla tight.”
  • If you don’t have a torque wrench, tighten until the mirror is solid, then just a small extra turn.
• 🔌 Reconnect mirror wiring
  • Plug the mirror connector(s) back into the door harness until they click.
  • Make sure the wires are routed so they won’t get pinched by the door panel.

Step 5 – Reinstall Door Panel 🚪

• 🔌 Reconnect door panel wiring
  • Reconnect:
    • Window/lock switch connector
    • Door handle cable (hook the cable end in, then clip the housing back in place)
    • Any courtesy light connector
• 🧩 Hang the door panel
  • Align the top of the panel with the window ledge.
  • Set the top edge into the channel and push down slightly to hook it.
  • Once the top is seated, push around the edges to snap the clips back into the door.
• 🔩 Reinstall screws and trim
  • Reinstall the 7 mm screws in the door pull handle and bottom of the panel.
  • Reinstall any T-20 Torx screw near the handle if you removed one.
  • Snap the small trim cover back over the handle screws.
• 🔊 Reinstall sail panel
  • Reconnect the tweeter speaker connector if present.
  • Align the clips and push the triangular trim back into place until it clicks.

Step 6 – Reconnect Battery & Test 🔁

• ⚡ Reconnect battery
  • Reconnect the negative (-) terminal and tighten the 10 mm nut.
• 🧪 Test mirror functions
  • Turn ignition to ON (engine can be off).
  • Test:
    • Power adjustment (all directions)
    • Power fold (if equipped)
    • Turn signal in mirror
    • Puddle lamp (unlock truck at night or open door)
    • Heated mirror (turn on rear defrost; glass should warm after a few minutes)
    • Memory positions (if equipped—set and recall seat/mirror memory)
    • BLIS indicator (if equipped—should light briefly at startup)
  • If any feature doesn’t work, stop and tell me which one—could be a connector or mirror option mismatch.

Infotainment / Settings Check 📱

Your truck doesn’t need coding for a mirror swap, but it’s good to confirm settings:

• ⚙️ In the instrument cluster menu (using steering wheel buttons)
  • Go to Settings → Vehicle → Mirrors (wording may vary slightly).
  • Confirm options like “Auto Fold” and “Memory” are set how you like.

Tips & Common Mistakes 💡

• 🧲 Don’t drop the nuts inside the door—use a magnet or your finger over the socket.
• 🪛 Don’t overtighten the mirror nuts; you can crack the mirror base or distort the door skin.
• 🧩 Match options exactly (BLIS, power fold, memory, chrome cap) or you’ll have dead features or warning lights.

If you tell me which side you’re doing and exactly what features your mirror has (BLIS, power fold, etc.), I can double-check the wiring and any extra connectors you should see.

HowToo makes it easy: below this answer you’ll see compatible mirror assemblies and any tools you’re missing, with same-day/2-day shipping. You can add them to your cart right from the parts section.