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Home >> Ford >> 1988 >> Bronco 4.9 Y, Standard, M5OD-R2 >> Repair and Diagnosis >> Engine Performance >> System >> EEC-IV CEC System >> Quick Test >> Equipment Hook-Up >> "Check Engine" Light (MIL)
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"Check Engine" Light (MIL)

Connect jumper wire between STI and Pin No. 2 of SELF-TEST connector. No additional special equipment hookup is required. Service codes will be flashed by the check engine light. Go to KEY ON/ENGINE OFF (KOEO) SELF-TEST  .

NOTE: Diagnostic tester hookup instructions apply to STAR tester only. If other than STAR tester is being used, follow diagnostic tester manufacturer's instructions.
Fig 1: Equipment Hookup
G11064