Electrical Connection - Temp Gauge Sensor Plug (Page 3/3) Notorio MAR 01, 11:25 AM quote Originally posted by theogre: Speedo has nothing to do w/ dash back plugs. the plug is on bottom Thank you Ogre! How could I have missed that? Anyway, here is a picture of where the speedo plug goes on the bottom of the gauge cluster. Also a nice diagram I copied from a phonedawgz post made in 2013. p.s. Upload Image is working again. Thanks Cliff!