Dome Light Control Relay Diagrams
Dome Light Control - Negative Polarity
For vehicle's with a negative polarity dome
light, connect a relay and wire as shown
below.
Auxiliary Function 2 Output
The Auxiliary Function 2 Output can be set
for momentarty or latched operation allowing
custom operation of vehicle systems such as:
Remote Control of Audio System
(Latched Operating Mode)
This enables the user to listen to the vehicle's
audio or video system for extended periods
without need of the vehicle's ignition key.
When the Aux 2 function is pressed, the radio
will turn on until the Aux 2 function is pressed
again.
Normal operation of the audio system using
the ignition key is unaffected.
Page 18 - MS3001 / MS3200 Installation Manual
Dome Light Control - Positive Polarity
For vehicle's with a positive polarity dome
light, connect a relay and wire as shown
below.
Yellow/black Wire
Aux Function 2
Output
To Vehicle Radio Wiring Harness
CUT
Radio
Radio
Memory Wire
Ignition Wire