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Home >> Mercury >> 1986 >> Lynx Base, MTXIII >> Repair and Diagnosis >> Engine Performance >> System >> 1.9L/2.3L Turbo Testing >> Diagnosis & Testing >> Equipment Hook-Up >> Analog VOM

Analog VOM

  1. Turn ignition key off. Connect jumper wire from Self-Test Input (STI) pigtail to pin No. 2 (Signal Return) on SELF-TEST connector. 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 Figure. Connect timing light, then go to KEY ON/ENGINE OFF (KOEO) SELF-TEST .
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