GPS Insight GPSI-3900 Installation Manual
www.gpsinsight.com | 866.GPS.4321 | support@gpsinsight.com
Internal Antenna Only
GPSI-3900 Installation Guide
www.gpsinsight.com | 866.GPS.4321 | support@gpsinsight.com
Page 2
Installation
First, verify that the power is configured correctly. It is essential that the power input (red wire)
be connected to a constant (un-switched) +12 VDC or +24 VDC supply and that the ignition
input (white wire) is connected to the vehicle ignition (switched) or another appropriate key
operated line (must be ignition-based circuit, not accessory). Failure to do so may result in
discharge of the vehicle battery.
The ground line (black wire) must be connected to chassis ground.
Placement of the GPS device is critical to proper operation of the GPSI-3900. Find a discreet
location for the placement of the tracker. The tracker has an internal GPS antenna and requires
the device have a clear view to the sky. Steel, iron, copper, and metal oxide windshields all
block GPS signals from reaching the tracker and cause the tracker to not function properly. The
best place to install the tracker is high inside the dashboard, white sticker side up, as close to
the dashboard plastic as possible. Plastics, wood, and regular glass do not interfere with GPS
signals and the tracker will operate normally if it is covered by any of these materials.
It is recommended that the device be installed with the white label facing up to ensure the
greatest possible GPS signal.
www.gpsinsight.com | 866.GPS.4321 | support@gpsinsight.com
Page 3
Installation (continued)
Standard Wiring Harness:
Red Wire = constant +12V
White Wire = switched +12V (+12V w/ ignition on, 0V w/ ignition off)
Black Wire = ground
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