I had to help make some changes to your engine harness for your idle Regulate valve. I'd originally planned to work with a two wire bimetallic type valve, but I is going to be employing a Screw-in fashion idle Handle valve. This valve works by using a stepper motor which https://4age20vblacktop89753.bcbloggers.com/38126310/detailed-notes-on-4age-20v-itb