coolant fans run constantly. changed temperature sensor didn't help.

Check your Constant Control Relay Module [CCRM] located next to the battery.

Make sure the connection is snug and maybe give it a tap with the handle end of a screwdriver...

thanks distanceguy1. The CCRM is the next thing we are going to try. My husband works at a salvage yard. You wouldn't happen to know which years of Sable will interchange with a 1996 would you.

I do not, sorry. However, if you get the part number off of the one in your car and bring it with you to the yard.....