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Home >> Ford >> 1988 >> Bronco 5.0 N, Standard, M5OD-R2 >> Repair and Diagnosis >> Engine Mechanical >> Starter - MOTORCRAFT >> Testing (On-Vehicle) >> Starter Relay Test

Starter Relay Test

  1. If vehicle will not start and battery is fully charged, remove Red/Blue wire connector from starter relay. Ensure connection is clean and secure and relay bracket is securely grounded.
  2. If starter still will not operate, connect jumper wire between Red/Blue wire connector of starter relay and positive battery terminal. Ensure transmission is in Park on A/T models or Neutral on M/T models.
  3. If relay operates, check ignition, neutral safety or clutch switch operation and wiring circuits. Replace relay if it failed to operate with jumper wire.
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