20 pin radio pinouts required

Anyone have the pinouts for the standard 20 pin head unit power/speaker
connectors used on most post 1999 cars such as Civic etc?

 

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When you buy the wiring harness adapter there's a chart included in the
package. You don't chop up the vehicle's harness.

I have a PDF somewhere if I can find it I'll send it.

If you're in ENGLAND, do you have different connectors than North
America?

'Curly'

 

I would be grateful if you do have a pdf for the Honda pinout, I
believe it is exactly the same as yours over here.

I did buy a harness but they did not list the pinouts just what the
colours were for and I think it is wrong so I just need to check with a
genuine Honda schematic or pinout.

Thanks

 

2003 US Honda Civic Hybrid, single CD, AM-FM.
Audio Unit Connector A - 20 pin
1 - Not Used
2 yel/red ACC (Main Stereo Power Supply)
3 - Not Used
4 - Not Used
5 Pnk Right Rear +
6 Blu/Wht Left Rear +
7 Grn/Yel Front Passenger's Door +
8 Grn/Blk Driver's Door +
9 Red/Blk Lights-on signal
10 Wht/Red Constant Power
11 - Not Used
12 - Not Used
13 - Not Used
14 - Not Used
15 Blu/Yel Right Rear -
16 Blu/Blk Left Rear -
17 Gry/Red Front Passenger's Door -
18 Lt Grn Driver's Door -
19 Red Dash Lights Brightness Controller
20 Bk Ground (G503)

pin 1-10 are top left to right, looking into the back of the radio.
ping 11-20 bottom, left to right.

I'll let you decide if "Driver's Door" is a proper designation across the
pond. ;-)