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Home >> Ford >> 2002 >> Taurus SES, 3.0 S >> Repair and Diagnosis >> External Pages >> Different car >> Section 206 (Engine Controls - Trouble Shooting - No Codes - 6.0L (99P F450/550) Diesel) >> INTERMITTENTS >> Intermittent Problem Diagnosis >> Harness Open

Harness Open

WARNING: This page is about a different car, the 2003 Ford Pickup, 2003 Ford F550 Super Duty, 2003 Ford F450 Super Duty, 2003 Ford Excursion, and 2003 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

The purpose is to check harness for open circuits.

  1. Key off.
  2. DLC disconnected from any scan tools.
  3. Disconnect the component and PCM from vehicle harness.
  4. Disconnect the appropriate PCM harness.
  5. Using an ohmmeter, isolate the circuit in question from the harness pin to the component connector pin.
  6. Reading should be less than 5 ohms.
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