Connector Wiring:
WHITE - Audio
SHIELD - Ground
RED - Transmit control
BLUE OR BROWN - Switching common
BLACK - Receive control
YELLOW - Not Used
Common microphone plug wiring schemes:
4 PIN FEMALE PLUG WITH LOCKING RING:
COBRA, UNIDEN, EXPORT RADIOS
WHITE - PIN 2
SHIELD - PIN 1
BLUE OR BROWN - PIN 1
RED - PIN 3
BLACK - PIN 4
YELLOW - N/C
5 PIN DIN CONNECTOR:
COBRA, MIDLAND
WHITE - PIN 1
SHIELD - PIN 4
BLUE OR BROWN - PIN 4
RED - PIN 2
BLACK - PIN 5
YELLOW - N/C
5 PIN FEMALE PLUG WITH LOCKING RING:
COBRA, UNIDEN
WHITE - PIN 1
SHIELD - PIN 2
BLUE OR BROWN - PIN 4
RED - PIN 5
BLACK - PIN 3
YELLOW - N/C