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AEM Digital Wideband UEGO Gauge 304100 User Manual

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    Page 1 ADVANCED ENGINE MANAGEMENT INC. 2205 126th Street Unit A, Hawthorne, CA. 90250 Phone: (310) 484-2322 Fax: (310) 484-0152 http://www.aempower.com Instruction Part Number: 10-4000 Rev 4 © 2004 Advanced Engine Management, Inc. Page 1 Installation Instructions for 30-4100 Gauge-Type UEGO Controller WARNING: ,! This installation is not for the electrically or mechanically challenged! Use this sensor with EXTREME caution! If you are uncomfortable with anything about this, please refer the...
    Page 2 Page 2 Congratulations! The 52mm (2-1/16”) AEM Universal Exhaust Gas Oxygen (UEGO) Gauge features a digital readout and sweeping 24 color-coded light emitting diode (LED) display, providing immediate reference to the engine air fuel ratio (or lambda) in real-time. The AEM gauge is ideal for all vehicles including carbureted applications and engine dynamometers. A user-programmable 0-5V analog output is included and can be used with data loggers as well as most Electronic Fuel Injection (EFI)...
    Page 3 Page 3 vehicles. Its unique design makes precision AFR measurements possible over the entire operating range. UEGO sensors use a “current pump” to determine the actual oxygen concentration within the sensing element or. The output is in the form of a very small current, which varies depending on the air-fuel ratio. This is completely different from a narrow band oxygen sensor, which directly outputs a voltage. The UEGO sensor design allows measurement of the exact air fuel ratio over the entire...
    Page 4 Page 4 Gauge-Type UEGO Controller Installation RED Connect to a switched 10-18 volt power source utilizing a 10A fuse. BLACK Connect to a clean power ground. *WHITE Connects to any Stand Alone ECU unit that accepts a 0-5 volt input. *BLUE Connects to a RS-232 com port for hyper-terminal data logging. *optional (see below) Analog Output If the AEM UEGO gauge is to be connected to an AEM EMS, the UEGO gauge’s WHITE Analog Output wire shall be connected to an EMS Lambda...
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