How about this:
http://www.gromaudio.com/store/ipd3_adapters/toyota_lexus_scion_ipod_adapter_direct_digital_interface.html
Which you can also get on ebay:
http://cgi.ebay.com/2003-2010-Toyota-Sequoia-iPod-iPhone-Adapter-Interface-/310327571119?pt=LH_DefaultDomain_0&hash=item4840f6f2af
or can try this if you want to save some $$:
http://cgi.ebay.com/TOYOTA-SEQUOIA-01-07-DIREC-IPOD-IPHONE-ADAPTER-PXDP-TY3-_W0QQcmdZViewItemQQhashZitem5643058059QQitemZ370491621465QQptZOtherQ5fMP3Q5fPlayerQ5fAccessories
I have used the Grom units with great success. Just make sure you get the ones with ipod connectors.
http://www.gromaudio.com/store/ipd3_adapters/toyota_lexus_scion_ipod_adapter_direct_digital_interface.html
Which you can also get on ebay:
http://cgi.ebay.com/2003-2010-Toyota-Sequoia-iPod-iPhone-Adapter-Interface-/310327571119?pt=LH_DefaultDomain_0&hash=item4840f6f2af
or can try this if you want to save some $$:
http://cgi.ebay.com/TOYOTA-SEQUOIA-01-07-DIREC-IPOD-IPHONE-ADAPTER-PXDP-TY3-_W0QQcmdZViewItemQQhashZitem5643058059QQitemZ370491621465QQptZOtherQ5fMP3Q5fPlayerQ5fAccessories
I have used the Grom units with great success. Just make sure you get the ones with ipod connectors.

