Add it yourself...
Marksrv.com 7 way wiring diagram pagehttp://www.marksrv.com/wiring.htm
Disable the flashing seat belt lighthttp://www.customtacos.com/tech/index.php?article=109
Air Compressor Toggle Switchhttp://www.customtacos.com/tech/index.php?article=13
Optima Battery Relocation - Faqhttp://www.ttora.com/wiki/index.php/Optima_Battery_Relocation
'05 Taco Auto-Dim Mirror Installhttp://www.customtacos.com/forum/showthread.php?t=58304
build an On Board Air Compressorhttp://www.geocities.com/rock_crawler_2000/air_compressor_tech.html
Trailer Harness Relocation DIYhttp://www.toyotanation.com/forum/61-2nd-generation-2005/180437-trailer-har....location-diy.html
Install a Tachometerhttp://www.customtacos.com/tech/index.php?article=129
05 tacoma radar install (pics posted)http://www.tundrasolutions.com/forums/audio-and-stereo/36757-05-tacoma-rada....tall-pics-posted/
more . . .
Replacement Light Bulb Designations (2001 - 2004)http://www.customtacos.com/tech/index.php?article=193
Hella Lights behind Grillcraft (pics)http://www.toyotanation.com/forum/showthread.php?t=227481
S2000 Retro (HID)http://www.customtacos.com/forum/showthread.php?t=44387
Sealed Headlight Conversionhttp://www.keystonekrawlers.com/Mods/Toyota/H4Lights/H4conversion.htm
illuminate the 4x4 dial on Tacomahttp://web.mac.com/jbryan/My_2005_Tacoma/Taco_4x4_Switch.html
HOW TO: Add factory DRL's to '05/'06 Tacomashttp://www.tundrasolutions.com/forums/tacoma/89224-diy-how-add-factory-drls-05-a/
Change the Backlight Color of Your Gaugeshttp://www.customtacos.com/tech/index.php?article=110
So you want to add a DRL On/Off switch?... Well, here you go!http://www.toyotanation.com/forum/showthread.php?t=223458
Clear Corner write up (2005)http://www.customtacos.com/forum/showthread.php?t=44904
Stock Speaker Size Charthttp://www.customtacos.com/tech/index.php?article=39
Speaker Replacement for 1999 Toyota Tacomahttp://ttspeaker.bfxmedia.com/
2005 Toyota Tacoma- Complete Deadeninghttp://sounddomain.cardomainwiki.com/2005+Toyota+Tacoma-+Complete+Deadening
Installing Radios in the 1998 Toyota Tacomahttp://www.gmrsweb.com/gmrsken.html
2005 Toyota Tacoma 2-Chan Amp Installhttp://sounddomain.cardomainwiki.com/2005+Toyota+Tacoma+2-Chan+Amp+Install
2005 Tacoma Ipod Interface Install A+ - LogjamForumhttp://logjam.d3datasolutions.com/forums/index.php?showtopic=139
Install An Aftermarket Antennahttp://www.customtacos.com/tech/index.php?article=30
Toyota iPod installationhttp://www.discountcarstereo.com/toyota_ipod_installation.htm
Get sound from PC to Car Stereo / Amphttp://www.mp3car.com/vbulletin/faq-emporium/32430-how-get-sound-pc-car-stereo-amp.html
Auto Air Conditioning (A/C) Retrofitting FAQshttp://www.id-usa.com/how_to_faqs_retrofitting.asp
2003 Keyless Entry System Upgradehttp://www.customtacos.com/tech/index.php?article=12
2005+ Backup Camera Installhttp://www.customtacos.com/forum/showthread.php?t=87701
iPod2Car converter installation in a 2005 Tacomahttp://www.aaronlinsdau.com/gear/articles/ipod2car.html
CB Dash Installhttp://www.keystonekrawlers.com/Mods/Toyota/CBinstall/cbinstall.htm
Replacing the battery on a Toyota Keyless remote and morehttp://geneomatic.com/wordpress/?p=311
Soldering 101http://www.4runners.org/writeups/solder101/index.html
How to reprogram V1http://www.valentine1.com/lab/MikesLabRpt3.asp