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Self Test Input (STI)

NOTE: Enter this test only when Star Tester displays STO LO or VOM displays zero volts.
STI CIRCUIT PIN IDENTIFICATION

Circuit ECA Pin BOB Pin Wire Color
STI 1K 48 Y/Gn

1) Checking System Integrity  Visually check all wiring and connectors for evidence of damage, shorting or looseness. If a fault is found, repair as necessary. If no faults are found, go to next step.

2)  Install breakout box and leave ECA disconnected. Connect test light between STI test pin and 12 volt source. If light does not comes on, repair circuit between STI connector and ECA. If light does come on, go to CIRCUIT TEST D4.