Use this guide as a last resort.  Colors vary, so consult your phone manual first.  If still in doubt, contact the phone manufacturer or a dealer.  We are not responsible for any misprints.  This chart is a couple years old, so it might not match newer phones.

Phone Brand Power Accessory Ground Horn Alert
Alpine Red White Green Black
AMPS (standard) Right Pin Left Pin Bottom Pin Top Pin
Single notch (top view) Red White Black Green
Antel 950 & 832 Red Brown Black Yellow
Antel STR500 Orange Red Black White
Audiovox Red Orange Black Brown
AT&T Red White Green Black
Audiotel Red Orange Black Brown
Clarion Red Blue Black White
Diamondtel Red Brown Black Yellow
E F Johnson Red Orange Black Green
Fujitsu 364A Red Blue Black Yellow
Fujitsu (Others) Red White Green Black
GE Star Orange Red Black Yellow
GE (other models) Orange Red Black White
GTE Metal Red Brown Black Yellow
Harris Red White Black(round)
or Green(flat)		 Green(round)
or Black(flat)
Mitsubishi Red Brown Black Yellow
Motorola Two Red Green Black Yellow
Motorola 4000X Red Green Black Gray
NEC Red Blue Black Yellow
Nokia Mobira LX11 Black/White Black Black/Writing N/A
Novatel Red Violet Black Yellow
OKI Red Brown Black Green
Pactel Red Orange Black Brown
Panasonic NEW 500 Red Blue Black N/A
Panasonic 6104, 6105 Red White Green Black
Panasonic 6106, 6110 Red White Green Black
Radio Shack Red N/A Black N/A
Shintom Red Orange Black Brown
Uniden Red White Black Green
Western Union Red Orange Black Green