TM 5-3805-262-203-10. INSTRUMENT PANELS TROUBLESHOOTINGMALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION1. INSTRUMENT CLUSTER WARNING LIGHTS DO NOT OPERATE.Step 1.Step 2.Place ignition key switch in on position.Press bottom 5 ampere circuit breaker button located on right in-strument panel.a . I f a t l e a s t o n e w a r n i n g l i g h t i s o n , c i r c u i t b r e a k ert r i p p e d.b. If all warning lights are off, go to step 2 below.Place vehicle lights switch at right instrument panel inwasseveral po-sitions and check operation of loader lights.a . I f a t l e a s t o n e l o a d e r l i g h t i s o n , p l a c e v e h i c l e l i g h t s s w i t chin off position. Check wiring connection between ignition switchACC terminal and 5 ampere circuit breaker at right instrumentpanel for open circuit. Repair or replace wiring(page 5-168).If wiring is okay, remove right instrument panelreplace 5 ampere circuit breaker (page 5-53).If all warning lights are off, remove instrument5-34) and replace circuit board (page 5-39).b . I f a t l e a s t o n e l o a d e r l i g h t i s n o t o n , r e f e r tosystems troubleshooting .as necessary(page 5-48) andc l u s t e r ( p a gepage 3-81 light2. OIL PRESSURE WARNING LIGHT DOES NOT OPERATE.Step 1.Remove lamp (pageMultimeter shoulda . I f m u l t i m e t er(page 5-45).b . I f m u l t i m e t er5-34) and connect multimeter across lamp contacts.i n d i c a t e c o n t i n u i t y .does not indicate continuity, install new lampindicates continuity, reinstall lamp (page 5-45)and go to step 2 below.Step 2. Place ignition key switch in on position.Connect a jumper wire from terminal of oil pressure switch to engineground.Oil pressure warning light should be on.3-71
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