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Home › Ford › 1990 › Bronco 4.9 Y, Standard, M5OD-R2 › Repair and Diagnosis › Engine Performance › System › Engine Controls - Tests W/Codes › Test H - Fuel Control › Test H: Step 29 › Circuits

Test H: Step 29: Circuits

HEGO SIG and GND circuits
HEGO harness insulation (near exhaust manifold)