User's Manual




GV55VC User manual

3.3. Power Connection
VIN (PIN1) / GND (PIN2) are the power input pins. The input voltage range for this device
is from 8V to 32V. The device is designed to be installed in vehicles that operate on
12V/24V vehicle without the need for external transformers.




Figure 5. Typical Power Connection 
3.4. Ignition Detection
Table 6. Electrical Characteristics of Ignition Detection
Logical State  Electrical State
Active  5.0V to 32V
Inactive  0V to 3V or Open


Figure 6. Typical Ignition Detection
IGN (Pin3) is used for ignition detection. It is strongly recommended to connect this pin to
ignition key “RUN” position as shown up.

An alternative to connecting to the ignition switch is to find a non permanent power source
that is only available when the vehicle is running. For example the power source for the 