TFP Manual Valve Position Switch
WARNING: This page is about a different car, the 2002 GMC Cab & Chassis Sierra and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Removal and installation procedure of the transmission fluid pressure manual valve position switch is contained within the valve body removal and installation procedure. See appropriate AUTOMATIC article in TRANSMISSION SERVICING.