[John Brown]

[ QUOTE ]
steering collar no longer rotates after Hurst install, that's what activates switch..........am I correct on that ?

[/ QUOTE ]

If Hurst supplied the arm for the side of the trans, that may be true. If a GM shifter arm is used, the back drive will be operational. The shift cable hooks to a pin that bolts into the rectangular hole in the GM shift arm, part #3950176. Check the picture.