Read & watch the ForumThreads & Videos listed below for details on removing the center Air+Radio panel, then left InstrumentCluster panel, to allow replacing Bulbs. Installing LightEmittingDiodes\LEDs in place of the original IncandescentBulbs is NOT recommended, as LEDs will NOT properly operate in several of the circuits & despite advertising, LEDs are NOT as reliable\durable\simple as Bulbs. Some patience & items listed below are needed.

Tools
* ElectricalSprayCleaner\RubbingAlcohol
* CottonSwabs\700gSandPaper\EmeryCloth
* 7mm HexHead Socket+Driver\Ratchet
* ChannelLockPliers
* NeedleNosePliers
* JewelersMini FlatScrewDriver
* Volt+Ohm+Continuity MultiMeter
BackLitBulbs T10mmWedg*23mmLong 12volt 3\4watt Sylvania# 161\194
BackSockets T10mmWedg*13mmCircuitHoleMt FordMotorCraft# c80z-13711-b
* Do Not Use Higher Wattage Bulbs, They Will Melt Plastic Sockets
* 6each In DashLeft InstrumentCluster
* 2each In DashCenter AirConSelectors
DutyLitBulbs T5mmWedg*18mmLong 12volt 9\13watt Sylvania# 906\912
DutySockets T5mmWedg*7mmCircuitHoleMt FordMotorCraft# f57z-13b765-ba
* Do Not Use Higher Wattage Bulbs, They Will Melt Plastic Sockets
* 16each In DashLeft InstrumentCluster
* 2each In DashCenter 4WD+RearWindowSelectors, Needs Socket Added\Modified

Links To Related Info

Thanks go to the brave souls who've preceded me in similar adventures & freely shared their experience below:

http://www.ranger-forums.com/general-technical-electrical-18/bulb-replacement-guide-97015 2001~2003.Ford.SportTrac+Ranger Lamps
http://www.therangerstation.com/tech/1995-2011-gauge-cluster-removal-and-bulb-replacement Center+LeftDash Assembly
http://youtu.be/3HU0luMB1xI?t=39 Center+LeftDash Assembly
http://youtu.be/dXQSmGV-y4I?t=4 Instrument Lamps: LEDs, DONT DO IT!
http://youtu.be/uK4PZzjlwgY?t=1 Instrument Lamps
http://www.ranger-forums.com/interior-exterior-electrical-123/how-replacing-instrument-cluster-lights-65263 Instrument Lamps
http://www.ranger-forums.com/interior-semi-tech-40/sport-trac-instrument-cluster-6022 Instrument Swap
https://www.explorerforum.com/forums/threads/instrument-cluster-swap-2002-sport-trac-into-1999-mountaineer.470708 Instrument Swap
http://web.archive.org/web/20200816162941if_/https://www.therangerstation.com/tech/ford-ranger-odometer-gauge-swap Instrument OdoMeter
http://www.therangerstation.com/tech/odometer-worm-gear-replacement Instrument OdoMeter
http://www.therangerstation.com/tech/adjust-repair-instrument-cluster-gear-indicator Instrument GearIndicator
http://web.archive.org/web/20200921060217if_/http://www.explorer4x4.com/overhead.htm UpperConsole Install
http://youtu.be/nk5-HiaR06E?t=14 UpperConsole Fix
http://youtu.be/AtqSTUusWHI?t=4 UpperConsole Fix
https://www.explorerforum.com/forums/threads/overhead-console-display-fix.187953 UpperConsole Fix
http://www.therangerstation.com/tech/explorer-overhead-console-upgrade UpperConsole UpGrade
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