The ITB adapter has some threaded holes underneath. Just about every throttle are going to be plumbed to some distribution block, which is able to be fed into your MAP sensor. It may also be linked to the idle Regulate valve. I'll reconnect it in the future but it is https://kamerongklj56677.yourkwikimage.com/1318151/little_known_facts_about_4age_20v_itb