TM 10-3930-669-20 CONTINUITY TEST (1)    Remove    suspect    gauge lamp (Para 7-25). (2) Set multimeter select switch to OHMS. (3)    Check    continuity    across lamp terminals. (a) If there is no continuity, replace gauge lamp. (b)  If  there  is  continuity, repair    gauge    wire 25  (See  Schematic Appendix F). (4) Install gauge lamp. 2-195