KNOWN INFO                     POSSIBLE PROBLEMS        1.            TEST OPTIONS                REASON FOR QUESTION     NO YES Go to step 4 of this fault. 2.             KNOWN INFO                     POSSIBLE PROBLEMS                   TEST OPTIONS                REASON FOR QUESTION     NO YES Replace LH cab marker light lamp (para 7-31). START e44. LH DOOR AND/OR LH FRONT MARKER LIGHTS DO NOT ILLUMINATE INITIAL SETUP   Equipment Conditions      Engine shut down (TM 9-2320-365-10).   Tools and Special Tools     Tool Kit, Genl Mech (Item 44, Appendix C)     STE/ICE-R (Item 39, Appendix C)     Multimeter, Digital (Item 22, Appendix C) Materials/Parts   Lockwasher (4) (Item 71, Appendix G)   Gasket (2) (Item 28, Appendix G) Personnel Required   (2) References   TM 9-4910-571-12&P Other marker lights illuminate. Faulty lamp. Faulty marker light. Faulty LH door and cab marker lights cable assembly. Does LH door marker light illuminate? This question eliminates possible problems and determines where troubleshooting continues. Operational Test Continuity Test or STE/ICE-R Test #91 If continuity is not present, LH cab marker light lamp is faulty. Is continuity present through LH cab marker light lamp? Other marker lights illuminate. LH door marker light illuminates. Faulty lamp. Faulty marker light. Faulty LH door and cab marker lights cable assembly. TM 9-2320-365-20-1 2-542          Change 1