I have a 98 ext cab & a 2000 same as 98 ,same options basiclly the same truck just diff yearsI have a2000 3.0 FF and want to put it into the 98,non FF,No pats on 98 , I have the ecm and engine wiring harness from the 2000 ,no wiring harness for 98,My question is What do i have to do to make this...