After the wideband is installed in the vehicle, make the following wiring connections:
- AEM Red (Power) **→** Vehicle Switched +12V
- AEM Black (Ground) **→** Vehicle Ground (chassis, battery, etc.)
- AEM OBD-II Pass-Thru Connector **→** Vehicle OBD-II Diagnostic Port
- HP Tuners Interface **→** AEM OBD-II Pass-Thru Connector