2002-2006 Silverado/sierra/tahoe R/power Mirror W/led

[Bigrick31]

have an extra for my truck so im selling it

http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=290133016549

[cgerace19]

What wiring would I have to do in order to gain the function of the turn signal? My truck does not have the turn signal feature.