AEM Serial Data Stream Gauge 304300 User Manual

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: 10-4300 Rev 112205 
© 2005 Advanced Engine Management, Inc. 
 
 
Page 1 
 
 
 
Installation Instructions for 
30-4300 
AEM Serial Gauge 
 
 
 
 
WARNING:
 
,!
This installation is not for the electrically or mechanically 
challenged! Use this gauge with EXTREME
 caution! If you are 
uncomfortable with anything about this, please...

Page 2 
Congratulations, the 52MM (2 1/16”) AEM Serial Gauge features a three digit LED 
digital readout with 24 sweeping multi color LED’s, and two input buttons.  Also included 
in the box are all the necessary wiring cables and brackets to install and use the gauge.  
A non-limited fully functional version of Pro Gauge software by AEM is also in the box.  
The AEM Serial Gauge allows users to monitor up to 19 different parameters.  In 
addition, users can “daisy chain” multiple gauges together using...

Page 3 
Configuring AEM Pro 
 
 Note: The serial gauge will only work with version 1.19 or newer firmware.  When 
connected to the EMS, the firmware version is shown in the blue strip at the top of the 
screen.   
 
Open AEM Pro and connect to the EMS.  Wait for the EMS to finish downloading.  Left 
click on “VIEW” and select the telemetry wizard from the wizards drop down menu, see 
Figure 3.  In the telemetry wizard, left click on “AEM Serial Datastream Gauge: and click 
OK, see Figure 4.  Close AEM...

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Changing the gauge configuration 
The AEM Serial gauge comes configured with the black bezel, black pin guide, and the 
black faceplate.  However, a silver bezel, a silver pin guide, and a white faceplate are 
also included in the gauge kit.  To change the faceplate, pin guide, or bezel, orient the 
gauge so you are looking at the faceplate.  Rotate the bezel counter-clockwise to 
unscrew it from the gauge cup.  The bezel, lens, pin guide, rubber spacer, faceplate,...

Page 5 
 
*BROWN  
Connect to negative side of warning device, 1 amp max. 
 
*ORANGE 
Connect to negative side of warning device, 1 amp max. 
 
GREEN , 
 
*optional 
 
 
Visit the AEM electronics forum for instructions on how to use the Pro Gauge 
software. 
 
AEM Electronics Warranty 
  
Advanced Engine Management Inc. warrants to the consumer that all AEM Electronics 
products will be free from defects in material and workmanship for a period of twelve 
months from date of the original purchase....

 Pro Gauge 
by AEM 
 
Revision:   
Revision Date: 
Page:  
  
 
B 
02/20/2007 
 1  
AEM ProGauge Software 
 
Note:  The AEM Serial Gauge is factory pre loaded with “BASE CAL.mdb”, which 
displays the following parameters: 
• Engine Load 
• Throttle Position 
• Air Temp 
• O2 #1 
• Vehicle Speed 
 
Connecting to the Gauge
 
1.  Install AEM ProGauge software from provided CD, or check Electronics Forums 
on WWW.AEMPOWER.COM
 for latest software. 
2.  Start with the Serial Gauge powered off. 
3.  Connect...

 Pro Gauge 
by AEM 
 
Revision:   
Revision Date: 
Page:  
  
 
B 
02/20/2007 
 2  
Changing Displayed Gauges 
 
To change your displayed gauges, select the “Single gauge data” window  it is 
located at the top of the screen, it is usually the window on top. In the bottom left hand of 
the window there is a “Gauge Order” selection box.  The “Gauges” in the “In-use” column 
are the “Gauges” that are loaded and are active on the Serial Gauge.  The gauges in the 
“Available” column are NOT loaded, therefore...

 Pro Gauge 
by AEM 
 
Revision:   
Revision Date: 
Page:  
  
 
B 
02/20/2007 
 3  
 
Low Alarm - Alarm is triggered when this value is reached 
 
High Alarm - Alarm is triggered when this value is reached 
 
Clear Min/Max History on Power-up - When Checked, the min and max values for the 
selected gauge will be cleared when the power is cycled.  
 
Low History Delay - This is the amount of time that a parameter must exceed the 
existing low value before being recorded as the new low.  For example, if...

 Pro Gauge 
by AEM 
 
Revision:   
Revision Date: 
Page:  
  
 
B 
02/20/2007 
 4  
Look-Up Table  
  To Open the Lookup Table for a gauge, open the single gauge data window, then 
click on the gray bar all the way to the left as shown in Figure 4.  The gauge display 
name and units can be changed by changing the text in the Gauge Name and Units 
text boxes. 
 
Changing the displayed name and units 
  To change the displayed name, open the look up table in the top right hand corner 
there is a box...

 Pro Gauge 
by AEM 
 
Revision:   
Revision Date: 
Page:  
  
 
B 
02/20/2007 
 5  
Figure 4. Selecting a look-up table 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Figure 5. Look-up Table 
 
Auto Fill  
  The Auto Fill function can be used to make user defined ranges easily 
programmable. In the look up table click on the Auto Fill icon on the bottom of the table, 
this will open another window; Enter your start cell number (Item number), stop cell (Item 
Number) and the start and end values  Click Fill Table...