EXHIBIT NO. 99.2

            CERTIFICATION OF CFO PURSUANT TO 18 U.S.C. SECTION 1350,
      AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

        In connection with the Annual Report on Form 10-K of Trimble Navigation
Limited (the "Company") for the period ended January 3, 2003 as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), Mary Ellen
Genovese, as Chief Financial Officer of the Company, hereby certifies, pursuant
to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, to the best of her knowledge, that:

     (1) the Report fully complies with the requirements of Section 13(a) of the
Securities Exchange Act of 1934, and

     (2)  the  information  contained  in the  Report  fairly  presents,  in all
material  respects,  the  financial  condition  and results of operations of the
Company.

        /s/  Mary Ellen Genovese
        ------------------------
        Mary Ellen Genovese
        Chief Financial Officer

        March 7, 2003


     This  certification  accompanies this Report pursuant to Section 906 of the
Sarbanes-Oxley  Act of 2002 and shall not,  except to the extent required by the
Sarbanes-Oxley  Act of 2002,  be deemed  filed by the  Company  for  purposes of
Section 18 of the Securities Exchange Act of 1934, as amended.