Vehicle Installation Instructions
WGD00085 REV B1
Page 15
Connecting the External Inputs Cable
Before connecting the input cable it is necessary to know the wiring scheme for connecting the external
inputs cable. All the inputs generally require positive 8-12 volts of power to activate the corresponding
device. When a particular input senses a positive voltage on its wire, the selected input will turn on or
become active.
Connect the wires from the input cable using butt splices where possible. This ensures a good
connection and consistent voltage.
Ignition – White Wire
The ignition wire senses whether the ignition is on or off. The white wire needs to connect to a feed
that provides positive
12 volts
when the vehicle is ON and
0 volts
when the vehicle is OFF. There is a
fuse link with a 1 amp fuse provided to connect the ignition feed and the ignition sense wire from the
inputs cable.
[Figure 24]
Several common factory sources for ignition power are as follows:
Crown Victoria
– pink wire inside the gray rectangular police package wiring harness located under the
passenger side dashboard.
Dodge Charger
– pink wire with purple stripe inside the white rectangular police package wiring harness
inside the center console.
Chevrolet Impala
– pink or yellow wire in the factory police package wiring harness located under the
passenger side carpeting.
There are several options available for configuring how the system reacts to the vehicle ignition signal.
To change these configurations refer to the document:
Evidence Library Administrator Guide.
Figure 24
