I have used a micro switch from radio shack attached to the shifter stem just under the handle with a home made bracket. I used my pinky finger to operate it. I used coiled wire down to the boot, and then under the carpet to the solenoid and power source.
My

84 D150 440/727
79 /6 swb D150
1964 A100 window van. Just because it has spark plug tubes doesn't mean it's a Hemi.



If ya haven't been there, ya just wouldn't understand.