Rolf,I have the 12 volt newport wiper motor,It worked fine when i had the original engine in the truck.I have never heard of it interfering with the choke cable.

1951 3100 Chevrolet
1951 Chevrolet Suburban Carryall
Image
"A house is built with boards and beams. A home is built with love and dreams."
"Look deep before you leap !!!" / "Everything is Everything"
"If I say a mouse can pull a house, hitch him up"