Organizational Troubleshooting (continued)
TEST OR INSPECTION
Test UTILITY LIGHTS switch 1S7 (see malfunction 79).
If switch is good, do step 9.
Check wiring between switch 1S7-3 and engine oil utility lamp socket
positive (+) terminal.
Replace defective wiring, and perform operational check.
Set MASTER SWITCH to OFF and disconnect battery. Check utility
a. Replace defective bulb with good bulb, and perform
If bulb is good, do step 11.
Check wiring between utility light socket positive terminals, and
between socket negative terminals and ground.
a. Replace defective wiring.
If wiring is good, replace socket for failed light.
13. GTE LOW OIL PRESS INDICATOR NOT LIT - MASTER SWITCH ON AND ENGINE NOT RUNNING.
Test low oil pressure switch (malfunction 89).
If switch tests good, do step 2.