N9 Radio control unit

Connector location views

Number	X-pin, color	Description
X01019	1-pin	Cable shoe Radio control unit
X18126	17-pin, black	Plug connector Radio control unit
X18805	10-pin, gray	Plug connector Radio control unit
X13321	10-pin, black	Plug connector Radio control unit

Pin	Type	Description / Signal type	Connection / Measuring notes
1	E	Signal, antenna reception	Antenna amplifier or antenna diversity

Pin	Type	Description / Signal type	Connection / Measuring notes
1	A	Signal, AF radio, front left +	Front left speaker

2	A	Signal, AF radio, front right +	Right front speaker

3	A	Signal, AF radio, rear left +	Left rear speaker

4	E	Signal Telephone mute circuit	Connector Telephone mute circuit

5	E	Terminal R	Fuse F7

6	A	Signal, AF radio, rear right +	Right rear speaker

7	E/A	K-bus signal	K-bus connector

8	A	Signal, AF radio, front left -	Front left speaker

9	E	Terminal 30	Fuse F41

10	E	Signal Telephone on	Connector Telephone on

11	A	Signal, AF radio, front right -	Right front speaker

12	A	Signal, AF radio, rear left -	Left rear speaker

13	E	Signal Locator lighting	Connector, instrument and locator lighting

14	A	Signal, AF radio, rear right -	Right rear speaker

15	M	Ground	Ground point

16	A	Antenna switching signal	Antenna amplifier or antenna diversity

17		Not used

Pin	Type	Description / Signal type	Connection / Measuring notes
1		Not used

2		Not used

3	A/E	NAV-bus	Navigation computer

4		Not used

5	A	Navigation signal Negative activation	Navigation computer

6		Not used

7		Not used

8		Not used

9		Not used

10	A	Navigation signal Positive activation	Navigation computer