WARNING: This page is about a different car, the 2004 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Combination Meter Wiring Diagram (1 Of 2) DI-METER-01
Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Combination Meter Wiring Diagram (2 Of 2) DI-METER-02