I did not wire it on the gauge cluster, but fairly to an indicator gentle bar like demonstrated underneath (once again briefly). I wired with the ignition to + of The sunshine, then measured 5.45V when grounded to chassis. I am not Superb at detailing this such as this Obviously, https://jdmtoyota4a-ge69821.blogsidea.com/38862088/5-tips-about-blacktop-20v-4age-you-can-use-today