Intercom Connections for the K1200LT

Intercom Connections for the BMW K1200LT

View of Helmet Connector On Bike

Pin 1= Right Speaker + (500mW/32 Ohms Non-grounded)

Pin 2 = Right Speaker - (DO NOT GROUND see note 1)

Pin 4 = Left Speaker - (DO NOT GROUND see note 1)

Pin 5 = Left Speaker + (500mW/32 Ohms Non-grounded)

Pin 3 = Mic + 4 volt mic power/audio (Elektret Microphone -44db)

Pin 6 = Mic - ground for mic power/audio

(Observe proper polarity!)

View of CB Connector On Bike
Pin 1 = reception confirmation
(CB takes this Pin "High"(+5) to set off mute on stereo)
Pin 2 = Audio FROM the CB radio TO the BC-1
Pin 3 = not used
Pin 4 = Microphone output to CB from the BC-1
Pin 5 = Push to talk output to CB goes to
ground when you push the key-up button
Pin 6 = ground

Note 1:
If you have a single ground wire that connects to both
speakers (-) terminal connection, you must use this diagram!

Microphone is Radio Shack # 270-090C for $1.99!
Capacitors (4.7uF, 50v)C1 & C2 are Radio Shack # 272-1012 for $.49

If you have a separate positive and a negative
wire for each speaker use this diagram!

The Microphone can be purchased at Radio Shack!
Radio Shack # 270-090C for $1.99

This is supposedly the wiring for For Honda Gold wings! If you have more information or find problems with mine, PLEASE write me!!!!!
I have not verified the Honda connections yet! BE CAREFULL
The diagrams above are to help you connect your helmet to the K1200LT Intercom / stereo system!

The information was compiled from hacking and thrashing my own BMW K1200LT Custom!Use of this information is at your own risk! (But it works just fine on my bike)ALL Graphics are my own works of art, (aint they perrdy?)More to come soon!

View of home brew antenna mount