I didn't wire it towards the gauge cluster, but alternatively to an indicator mild bar like shown beneath (once again temporarily). I wired within the ignition to + of the light, then measured 5.45V when grounded to chassis. I am not sure if why my battery shows underneath 12V thinking https://titusnmkhf.myparisblog.com/33056511/fascination-about-4age-blacktop-engine-for-sale