Test Equipment Hook-Up: Notes
WARNING: This page is about a different car, the 1989 Mercury Sable and 1989 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.
- Turn ignition switch to "OFF" position. Set VOM at 0-15V DC range and connect positive lead of VOM to positive battery terminal.
- Connect negative VOM lead to pin No. 4 (STO) on Self-Test connector. See Figure . Connect timing light, and go to 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.