Is this what I need for ipod to pioneer hu?

[ColdAccord]

I have a pioneer headunit, 6900 I think. couple years old. bout to install it. is this the cable I need for ipod interface?

http://cgi.ebay.com/iPOD-PIONEER-AUDIO-VIDEO-CABLE-CD-IU230V-CDIU230-NEW_W0QQitemZ300339120540QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item45ed9b499c&_trksid=p3286.c0.m14

what are the rca's for? or is this guy waht I need

http://cgi.ebay.com/PIONEER-CD-IU50-USB-IPOD-CABLE_W0QQitemZ170373603049QQcmdZViewItemQQptZOther_MP3_Player_Accessories?hash=item27ab0edee9&_trksid=p3286.c0.m14

[woodisgood]

I will betcha the one with the rca's is so you can play videos...the other one should work for audio.

^^Warning: complete speculation.

[ColdAccord]

heh. don't need video on my hu. unless the videos on my ipod can somehow play on that tiny screen display for track listing etc.