Parrot mki speedo stops working when in use

[Dr G]

Fitted my parrot a few months back but I notice that when it's in use in call the speedo stops dead and drops off to 0, whilst moving but come back as soon as the call ends....any ideas?!

 

[Davis]

M T audio will be along and tell you whats wrong with it he seems pretty clued up on these sort of things!

my guess is its somthing to do with the speed pulse wire or the can bus wiring but im not 100%

 

[Alexjfinch]

I had exactly the same fault.

Disconnect the mute wires all together, it don't need them on this model.

 

[MT AUDIO]

as alex has said d/c the mute pin input,youve connected it to the speed pulse wire so every time a call comes in it earths the "mute" which is your speedo so it drops to 0