The probes attach to the hearness HV+ and - harness ring terminals with the included #8 pem stud and nut.
The PTC input of the temperature board requires a 20 ohm resistor across the terminals.
The temp probes should be taped together so they are at the same temperature. The probe to harness connections should be slid into the short wire loom, and then taped up to insulate and support the connection. The negative lead is attached and insulated the same way.