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Home >> Ford >> 1990 >> Bronco II RWD, Standard, M5OD-R1 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Diagnostic Procedures >> Preliminary Inspection & Adjustments >> Visual Inspection
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Visual Inspection

Perform a visual inspection of all wiring, looking for chafed, stretched, cut or pinched wiring. Inspect electrical connectors and connections for tight fit or corrosion. Repair as necessary. Ensure all vacuum hoses are properly routed, and not cut or pinched. See the VACUUM DIAGRAMS article to verify routing and connections.