Anyone have any problems with power mirrors not working properly? Mine move from side to side but not up and down.

 

So far I had no problem out of mine yet only have to adjust them after I wash it sometimes if I bump one out of place.

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2000 F150 XLT Reg. cab
4.6 Triton Engine
4x2 3.55 rear end gear
sliding rear window
automatic keyless entry
white styleside short box

 

Yes, I had the driver's side mirror drive motor unit replaced under warranty. The up/down became intermittent, then stopped. If you lost your up/down on BOTH mirrors, then most likely something common, like the up/down switch contacts, went bad. Mine was only a problem on driver's side.

 

Mine is just the driver's side. After I posted this, I went somewhere and the mirror worked for the first time in over 6 months. It appears to be working fine now.

 

Sounds like you may have an intermittant connection somewhere in the harness in the mirror, door, or elsewhere. Perhaps while you were driving that one time you hit a bump and forced the connection working again.

It's one theory at least.

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2000 F-150 XLT, Reg Cab/Long Box, Styleside, Oxford White, Dark Graphite Int., 4x4, 4.6L, 3.55 L/S, Off-Road pkg (Skid Plates, Cab Steps, Heavy Duty Shock Absorbers, LT265/70R17SL), Class III Towing pkg with Heavy Duty Cooling pkg, 4 wheel disk ABS, Overhead Console, Factory In-Dash CD, Remote Keyless Entry, and Sliding Rear Window, K&N FIPK (removed), Cabin Air Filtration, Ventvisors, Ford Bug Deflector, Ford Bedliner, SuperChip (removed).

2000 Polaris Sportsman 500, Camo Green, 4x4, 499cc 4-stroke, independent suspension, shaft drive, 4 wheel disc brakes, etc.