I didn't wire it to the gauge cluster, but fairly to an indicator light-weight bar like proven down below (again temporarily). I wired from the ignition to + of the light, then measured 5.45V when grounded to chassis. There are actually angular alignment reference points for the timing belt program https://jdm-toyota-4a-ge60357.blogsvila.com/32642062/jdm-toyota-4a-ge-an-overview