TM 5-3805-262-203-11. LIGHT SYSTEMS TROUBLESHOOTfiG (CONT)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION4. BLACKOUT DRIVING LIGHT DOES NOT OPERATE.Step 1.Step 2.5. SERVICE TAILStep 1.Step 2.3-84Disconnect wiring harness terminal from front blackout light termi-nal by grasping terminal with your fingers and firmly pulling apart.Connect multimeter between wiring harness termimal and fender.Place ignition key switch in on position.Place vehicle lights switch in B.0. DRIVE position.Multimeter shoulda . I f m u l t i m e t erb. If multimeterindicate 24 volts.indicates 24 volts, replace lamp (page 5-99).indicates zero, go to step 2 below.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 blackout light wiring harness termi-n a la .b .and vehicle lights switch connector pin D.Repair or replace wire or connector as necessary (page 5-168 or5-179).If wire and connector are okay, remove right instrument panel(page 5-48) and replace vehicle lights switch (page 5-53).LIGHTS DO NOT OPERATE.Place ignition key switch in on position.Place vehicle lights switch in SER DRIVE position.Service tail lights and front driving lights should be on .a. If one tail light is on, go to step 3 below.b . I f b o t h t a i l l i g h t s a r e o f f,and at least one front drivinglight is on, go to step 2 below.c . I f a l l t a i l l i g h t s a n d d r i v i n g l i g h t s a r e o f f , r e f e r t o p a ge3-80 MALFUNCTION 1.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 pink wire terminalsat tail lights and vehicle lights switch connector pin H.
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