TM 5-3805-262-203-11. LIGHT SYSTEMS TROUBLESHOOTING (CONT)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION8. SERVICE STOP LIGHTS DO NOT OPERATE (Cont).S t e p 1 . ( C o n t ) .c. If all lights are off, refer to page 3-81, MALFUNCTION 1.Step 2.Place vehicle lights switch in B.0. DRIVE position.Tell assistant to press brake treadle and valve.Blackout stop lights should be on.a. If at least one blackout stop light is on, go to step 3 below.b. If both blackout stop lights are off, refer to page 3-87, MAL-FUNCTION 1.Step 3.Place vehicle lights and ignition key switches in off position.Reach behind right instrument panel and unplug vehicle lights switchconnector by turning connector nut counterclockwise and pullingf i r m l y.Check wiring connection between wiring harness tan wire terminals atstop and tail lights and vehicle lights switch connector pin C.a. Repair or replace wiring or connector as necessary (page 5-168or 5-174) .b. If wiring and connectors are okay, remove right instrument panel(page 5-48) and replace vehicle lights switch (page 5-53).Step 4. Disconnect wiring harness tan wire terminal from tail light greenwire terminal by grasping both terminals with your fingers and firm -ly pulling them apart.Connect multimeter between wiring harness terminal and chassisframe.Tell assistant to press brake treadle and valve.Multimeter should indicate 24 volts .a . I f m u l t i m e t e r i n d i c a t e s 2 4 v o l t s, connect terminals by graspingboth terminals with your fingers, alining, and firmly pushingthem together. Then replace lamp (page 5-105). If stop lightstill does not operate, go to step 5 below.b . I f m u l t i m e t e r i n d i c a t e s z e ro , check wiring connection at greenwire terminal. Repair or replace wiring or terminal as necessary(page 5-174).3-89
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
