📋 Main Connector Pinout

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Connector: Microfit male female housing 2x10 (20 pins)

Pin Table

Pin	Color	Name	Function
11	Red	3V3 ACC	3.3V
12	Green	0 TX	Serial TX
13	White	MIC +	Mic +
14	Green	IN 06	Input 6
15	Yellow/Green	IN 04	Input 4
16	Blue/Black	IN 02	Input 2
17	Brown/Black	IN 00	Input 0
18	White	XP 01	Output 1
19	Blue	XP 02	Output 2
20	Pink	IGN	Ignition

Pin	Color	Name	Function
1	Black	GND	Ground
2	Yellow	0 RX	Serial RX
3	Brown	MIC -	Mic -
4	Blue	SPK +	Speaker
5	Orange	IN 05	Input 5
6	Gray	IN 03	Input 3
7	Purple	IN 01	Input 1
8	Brown	XP 00	Output 0
9	Black	GND	Ground
10	Red	VCC	8-38VDC

Pin	Color	Name	Function
1	Black	GND	Ground
2	Yellow	0 RX	Serial RX (input)
3	Red	3V3 ACC	3.3V Power
4	Green	0 TX	Serial TX (output)

📌

Legend: GND = Ground · VCC = Power · IN = Input · XP = Output · RX/TX = Serial · MIC/SPK = Audio

Color	Name	Function	Type
Red/Black	IGN	Ignition detection	IN
Red	BAT IN	8-38VDC Power	PWR
Black	GND	Ground	PWR
Cyan	XP 02	Digital output 2	OUT
White	XP 01	Digital output 1	OUT
Brown	XP 00	Digital output 0	OUT
Brown/Black	IN 00	Digital input 0	IN
White/Black	IN 01	Digital input 1	IN
Cyan/Black	IN 02	Digital input 2	IN
Gray/Black	IN 03	Digital input 3	IN
Yellow/Black	IN 04	Digital input 4	IN
Orange/Black	IN 05	Digital input 5	IN
Green/Black	IN 06	Digital input 6	IN

VCC

Battery or fuse box

With 3A in-line fuse

GND

Solid ground point

Vehicle chassis

⚠️

Installation recommendations: