i just finished up my swap from 94 to 98 tranny.. 98 wiring harness wouldent work so i used my old harness... but im having a problem.. its shifting very high when i punch it.. at like 6.5-7k and when im driving slow it still shifts igh at about 3.5-4k.. is there something i have to do to make it shift better? Thanks for any help/ comments