Installation - Kenwood KRC-577R Instruction Manual

2WARNING
Connecting the ISO Connector (see p.34)
The pin arrangement for the ISO connectors depends on the type
of vehicle you drive. Make sure to make the proper connections to
prevent damage to the unit.
The default connection for the wiring harness is described in 1
below. If the ISO connector pins are set as described in 2 or 3,
make the connection as illustrated.
1 (Default setting) The A-7 pin (red) of the vehicle's ISO
connector is linked with the ignition, and the A-4 pin (yellow) is
connected to the constant power supply.
Unit
Ignition cable (Red)
Battery cable (Yellow)
2 The A-7 pin (red) of the vehicle's ISO connector is connected to
the constant power supply, and the A-4 pin (yellow) is linked to
the ignition.
Unit
Ignition cable (Red)
Battery cable (Yellow)
3 The A-4 pin (yellow) of the vehicle's ISO connector is not
connected to anything, while the A-7 pin (red) is connected to
the constant power supply (or both the A-7 (red) and A-4
(yellow) pins are connected to the constant power supply).
Unit
Ignition cable (Red)
Battery cable (Yellow)
NOTE
When the connection is made as in 3, the unit's power will not be
linked to the ignition key. For that reason, always make sure to
turn off the unit's power when the ignition is turned off.
To link the unit's power to the ignition, connect the ignition cable
(ACC...red) to a power source that can be turned on and off with
the ignition key.
Vehicle

Installation

A–7 Pin (Red)
Installation
A–4 Pin (Yellow)
Screw (M4X8)
(commercially
Vehicle
available)
A–7 Pin (Red)
A–4 Pin (Yellow)
Self-tapping
screw
Vehicle
(commercially
A–7 Pin (Red)
available)
A–4 Pin (Yellow)
NOTE
Make sure that the unit is installed securely in place. If the unit is
unstable, it may malfunction (eg, the sound may skip).
— 35 —
Firewall or metal support
Metal mounting
strap
(commercially
available)
Bend the tabs of the
mounting sleeve with
a screwdriver or
similar utensil and
attach it in place.