I've had mine out many times and have not had to pull the ignition housing.
But I don't have a radio or speaker
I do have an electric wiper , but its not n the way.
I remove the speaker grill to get my hand back there
and the choke cable.
I also added some 10/32 knurled nuts, a recommendation found on this forum
...pic... ..spare speedo pic... Don't have to mess with any sockets or extensions