FixVault

Volt/Ohm Meter

  1. Turn ignition switch to "OFF" position. Set VOM at 0-15V DC range and connect positive lead of VOM to positive battery terminal.
  2. Connect negative VOM lead to pin No. 4 (STO) on Self-Test connector. See Fig 1 . Connect timing light, and go to KEY ON ENGINE OFF (KOEO) SELF-TEST  . KOEO SELF-TEST is activated by connecting jumper wire from Self-Test Input (STI) pigtail to pin No. 2 (Signal Return) on Self-Test connector with the ignition on.
Fig 1: Self-Test Connector Equipment Hookup (Volt/Ohm Meter)
G108537Courtesy of FORD MOTOR CO.