Mercury Cougar Transmission Gear Position Sensor

Need To Test To Take Off My List.

Where Can I Get A Transmission Range Sensor (high Range Input Sensor) For A 2000 Mercury Cougar

The Transmission Drives Forward With No Problems But Reverse Not Working Also It Doesn't Matter What Gear I Select It Goes Forward, Example...

Ii Have An 89 Cougar Ls And The Transmission Wants To Always Go Forward Even In Park,reverse, Ask A Few Ppl One Said Vacuum Hoses, Other...