I had to help make some variations on the engine harness for the 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 style idle Handle valve. This valve works by using a stepper motor which https://4age-20v-blacktop-for-sal12100.blogminds.com/the-definitive-guide-to-toyota-4age-36021795