Add it yourself...
Cleaning Your Interior Fan Unithttp://www.4runners.org/writeups/fan/index.html
Replacing Alternator Brusheshttp://www.4x4wire.com/toyota/maintenance/alternator_brushes/
Timing and Diagnostic Check Connector location(s)http://www.4crawler.com/4x4/CheapTricks/index.shtml#TimingCheckConnector
Reprogram a RS3000 Remotehttp://www.4runners.org/writeups/rs3000/index.html
1985 Toyota 4Runner Power Antenna Replacementhttp://www.4crawler.com/4x4/CheapTricks/AntennaReplacement/index.html
Window Switch Repairhttp://www.4crawler.com/4x4/CheapTricks/index.shtml#WindowSwitch
4Runner Rear Window Cheap Trickshttp://www.4crawler.com/4x4/CheapTricks/RearWindow.shtml
Ignition Switch Replacementhttp://www.4x4wire.com/toyota/maintenance/ignition_switch/
Blower Repairshttp://www.4crawler.com/4x4/CheapTricks/Blower.shtml
more . . .
Light Bulbshttp://www.4crawler.com/4x4/CheapTricks/index.shtml#LightBulbs
Replacing the Clutch Pedal Bushinghttp://www.4runners.org/writeups/taillights/index.html
Center Console Lightshttp://www.toyota120.com/html/center_console_lights.html
HID Install for 2006 4Ruunnerhttp://www.toyota-4runner.org/showthread.php?threadid=16283
Installing Hella 500 Driving Lightshttp://www.4runners.org/writeups/hella500/index.html
Toyota 4Runner Independent use of Fog Light Modhttp://www.top4runners.com/ja/2007/fogmod.html
My LED Bumper Light conversionhttp://www.toyota-4runner.org/showthread.php?threadid=15651
Install Burtman Industries Clear Cornershttp://www.4runners.org/writeups/clears/index.html
how to keep the fog lights on with high beamshttp://www.toyota-4runner.org/showthread.php?threadid=8435
2003 Toyota 4Runner Navigation Screen / Head Unit Connections, Connectors, & Pinshttp://www.castulucci.com/projects/carpc/oemnaviconnectors/
Power antenna fixhttp://www.toyota-4runner.org/showthread.php?threadid=8838
Toyota 4 Runner Power Antenna Mast Replacement Guidehttp://www.carstereohelp.com/stereoremovalToy4Runr2PwrAnt.htm
Aftermarket Stereo Installation - 3rd Gen 4Runnerhttp://www.yotatech.com/f127/aftermarket-stereo-installation-3rd-gen-4runner-75275/
The "Taco" Whip Antenna Modhttp://www.4runners.org/writeups/whip/index.html
Installing an Amp, Component Speakers and a Subwooferhttp://www.4runners.org/writeups/stereo/index.html
iPod to Alpine CDA-9847 Integrationhttp://www.4runners.org/writeups/pie/index.html
Hidden Amp Mounthttp://www.carterswebsite.com/4runner/mods/amp_mount/
Auto Air Conditioning (A/C) Retrofitting FAQshttp://www.id-usa.com/how_to_faqs_retrofitting.asp
Rear Mount Firestik II Antennahttp://www.4runners.org/writeups/rearfirestik/index.html
Connecting 2004 Camry Navigation Radio to 2003 Toyota 4Runnerhttp://www.norgetech.com/navsup.htm
Installing a Cobra 75WX CB Radiohttp://www.4runners.org/writeups/cobra/index.html
Remove the Navigation ECU from a 2003 Toyota 4Runnerhttp://www.castulucci.com/projects/carpc/oemnaviecuaccess/
CB Radio and Antennahttp://www.4crawler.com/4x4/CheapTricks/CBantenna.shtml
Remove the Navigation Head Unit from a 2003 Toyota 4Runnerhttp://www.castulucci.com/projects/carpc/oemnaviaccess/
Mods for Ipod, Garmin Nav, Valentine1 and move 12v power socket...http://www.toyota-4runner.org/showthread.php?threadid=21903
Hardwiring a Valentine 1 Radar Detector and Concealed Displayhttp://www.4runners.org/writeups/valentine/index.htm