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Intelligent and Programmable Delayed ACC-Power Add-on Module Function 1The basic function of the original SourcePWR. After connecting the +/- inputs, SourcePWR Plus creates ignition power for your accessories with the engine running and turning power off with the engine is off. SourcePWR Plus has an internal LED which illuminates the fuse when power is on and the engine is running allowing for a quick and easy set-up and diagnostics.Function 2This Function has a programmable delay for accessory power-off. You can determine how long power is extended to your accessories by choosing up to 90 minutes of delayed ACC power in program mode. This feature is great for mimicking CAN BUS shut-down time and creating a retained accessory power (RAP) circuit/feature - ideal for vehicles equipped with Start/Stop technology.Function 3This function is a "battery saver" mode. Devices will power on with the engine but stay on when the engine turns off. This mode will continue to deliver power to the accessory until the battery voltage reaches 11.5 volts. Customers can enjoy this feature by leaving accessories on such as radios, trolling motors and DVR dash cameras without the worry of completely draining the battery. Rostra 250-2951 Manual

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