page 5-112TM 5-3805-262-203-12. SENDING UNITS TROUBLESHOOTINGMALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION1. ENGINE OIL PRESSURE SWITCH DOES NOT OPERATE.Step 1.Step 2.R e m o v e e n g i n e l e f t r e a r s i d e p a n e l(page 9-14).Start engine and watch multimeter.Multimeter should indicate no continuity (open circuit) .a .If multimeter indicates continuity, refer to page 3-36, MALFUNC-TION 9. If engine oil pressure is okay, replace engine oilpressure switch (page 5-112).b .2. FUEL LEVEL SENDING UNITIf multimeter does not indicate continuity, refer to page 3-71,MALFUNCTION 2.Step 1.Remove anda . I f f u elDOES NOT OPERATE.test fuel level sending unit (page 5-117).level sending unit tests okay, reinstall sending unit(page 5-119) and go to step 2 below.b . I f f u e l l e v e l s e n d i n g u n i t d o e s n o t t e s t o k a y , r e p l a c e s e n d i n gunit (page 5-117) .Step 2.Check ground wire connection between fuel level sending unit andc o v e r p l a t e.a. If wiring connection is bad,replace ground wire (page 5-117).b. If ground wire connection is okay, refer to page 3-78, MALFUNC-TION 8.3-93
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