US Shift 4R70W Installation And Operation Manual page 8

Step 4: Transmission Connectors
Connect the Solenoid, PRNDL, and TSS cables to the transmission. If your
transmission has two TSS connectors, connect both TSS cables according to
their labels. Additionally, connect the Neutral Safety Switch and the Backup
Lamp Switch (See page 16).
Step 5: Optional Features
Connect any extra features you wish to use. See the "Optional Features"
section for details.
8