Yamakawa M2150 - Manual (Page 9)

Installation
ISO CONNECTOR
RCA Jack Line Out(Rear)-Gray
: Red (right)
: White (left)
CONNECTOR A
1.
2.
3.
4. MEMORY +12V
5. AUTO ANTENNA OUTPUT
6.
7. +12V (TO IGNITION KEY)
8. GROUND
The connector A no.7 must be connected by car ignition key
in order to avoid that car battery becomes weak when the car
will be not used for long period.
CONNECTOR B
1. REAR RIGHT SPEAKER (+)
2. REAR RIGHT SPEAKER (-)
3. FRONT RIGHT SPEAKER (+)
4. FRONT RIGHT SPEAKER (-)
5. FRONT LEFT SPEAKER (+)
6. FRONT LEFT SPEAKER (-)
7. REAR LEFT SPEAKER (+)
8. REAR LEFT SPEAKER (-)
9