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Owner's Manual (This may be a little hard to read due to all I had to scan was a copy of a copy.)

RADIO MODIFICATIONS
Power Modification

Diagrams
     Schematic Diagram
     Schematic Diagram
     PCB Layouts Page 1
     PCB Layouts Page 2

Mic Wiring

Stock
1- Audio
2- Shield
3- Relay
4- Transmit

Astatic (4 wire)
1- White
2- Shield
3- Black
4- Red

Astatic (6 wire)
1- White
2- Shield
3- Blue
4- Red
Black- N/C
Yellow- N/C

Daiwa EM-500
Cobra CA Series
1- Red
2- Shield
3- Black
4- White
Blue - N/C

Galaxy DC-521S (4 wire)
1- Yellow
2- Shield
3- Black
4- Red

Galaxy CB-660EI
1- White
2- Shield
3- Black
4- Red
Black - N/C

Sadelta
1- White
2- Shield
3- Green
4- Brown

Turner
1- White
2- Shield
3- Red
4- Blue
Black - N/C
Yellow - N/C