CalAmp 200G Manual De Usuario

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This section provides instructions for installing an LMU in a vehicle.  
 
Be sure to consider the design decisions described in the previous sections. When you are 
ready to begin installing the LMU, follow these steps: 

LMUs with internal antennas should be placed to maximize their GPS performance. A 

typical location include under the dash close to the front wind-shield.Attach the LMU to the 
solid body of the vehicle, not to plastic panels. The LMU can be placed out of sight by 
removing interior trim and molding to expose available space, then replacing the trim once 
the LMU is in place.   

The power input (red wire) must be connected to a constant (un-switched) +12 VDC or 
+24 VDC supply; preferably, connected directly to the vehicle battery terminal or as close to 
it as possible. This connection point should be fuse protected to not more than 5 Amps. 
The ignition input (white wire) must be connected to the vehicle ignition or another 

appropriate key operated line, such as ACCESSORY, ensuring that power to the ignition 
wire is available only when the vehicle ignition is on.  
The ground line (black wire) must be connected to chassis ground.  
 
Failure to connect these lines in the manner described may result in discharge of the vehicle 
battery. 
 
For best results, it is strongly recommended that the LMU connection be on its own circuit. 

Connect the power input directly to the vehicle battery if possible and protect the circuit 
with an inline fuse. If you must connect through the fuse box, use standard commercial 
wiring practices to create a permanent installation rather than using press-in fuse clips or 
other temporary measures.