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Author Topic: Wiring Autometer Gauges WickedStang ¯ Member # 7692 posted                              I got some used autometer electric gauges. Iam having trouble wiring them. Its a oil,temp, and a volt. I they say [G/S/I] in the back. I assume G=ground / S is for the sending unit / I for a 12 volt source. So if i wire them like this they neddle reads max as soon as I open the key but it reads lowest before they key is opened. Can someone HELP? THANKS! -------------------- 04 mach1 BASSANI EXHAUST/C&L INTAKE 67STANG/CHP 347/BUILT C4/MOROSO DRAG SUSP. Posts: 1581 | From: salinas831 | Registered: May 2007  |  : WickedStang ¯ Member # 7692 posted                              TTT -------------------- 04 mach1 BASSANI EXHAUST/C&L INTAKE 67STANG/CHP 347/BUILT C4/MOROSO DRAG SUSP. Posts: 1581 | From: salinas831 | Registered: May 2007  |  : JohnB Tech Moderator Member # 969 posted                              "I" is for 12-volt Keyed ignition source...not straight 12v power. There's your problem. -------------------- 1965 Shelby Cobra 1993 Cobra 2012 F150 Raptor 2020 GT500 Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002  |  : 1bdpone ¯ Member # 6708 posted                              It sounds like the S wire is going to ground. Posts: 182 | From: Tri Valley | Registered: Apr 2006  |  :

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