What are the costs to do this if the wires are there (assuming they are for heat elements in seats)?

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Arrived - '11 35d Alpine White/Black, Sport w/Adaptive Drive, 214's, Tech, Prem, Ipod/Sirius, R Climate, Probably no First Aid Kit
'01 Suburban "Shrek" 130K miles and still strong.
'01 Volvo S40 1.8T - Inherited by youngest daughter
'06 Acura TL MBP Navi Camel - Inherited by eldest daughter
GONE - '09 35d Alpine White/Black Sport, Tech, Prem, Ipod, R Climate, No First Aid Kit