Connections Summary

Wire

Function

 

Connect to...

Ensure...

color

 

 

 

 

RED

To supply

 

12V/24V steady

The use of a 3A/58V

 

steady (+)

 

power.

fuse.

 

power source.

 

An additional fuse

 

 

 

 

 

 

 

 

is supplied that

 

 

 

 

must be connected

 

 

 

 

to the positive (+)

 

 

 

 

pole.

 

 

 

 

 

 

BLACK

To supply

 

Vehicle body

That the contact

 

steady (–) power

 

 

point is only

 

source.

 

 

connected to the

 

 

 

 

vehicle body.

 

 

 

 

 

GREEN

To switch the

 

IGN voltage

The appropriate

 

phone on when

 

 

voltage using

 

the car ignition

 

 

voltmeter. Ensure

 

is turned on, and

 

 

the use of a 3A/58V

 

off when the car

 

 

fuse.

 

ignition is turned

 

 

 

 

off.

 

 

 

 

 

 

 

 

ORANGE

To mute the car

 

Car stereo

That the connection

 

stereo system

 

system

between the

 

when receiving

 

entertainment

in-vehicle phone and

 

or dialing a call.

 

mute connection

car stereo system is

 

 

 

(optional)

performed by an

 

 

 

 

authorized installer

 

 

 

 

only. Sink should be

 

 

 

 

up to 150mA.

 

 

 

 

 

WHITE

To operate car

 

Car lights/horn

That the connection

 

lights/horn to

 

connections

between the

 

indicate

 

(optional).

in-vehicle phone and

 

incoming call.

 

 

the car lights/horn is

 

 

 

 

performed by an

 

 

 

 

authorized installer

 

 

 

 

only. Sink should be

 

 

 

 

up to 300mA.

 

 

 

 

 

Installation Guide – 73

Page 82
Image 82
Motorola M990 manual Connections Summary, Wire Function Connect to Ensure Color