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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 645 (Rear Drive Axle Differential - Vehicles With: Ford 9.75 Inch Ring Gear) >> Diagnosis And Testing >> Electronic Locking Differential (ELD) >> Inspection and Verification

Inspection and Verification

WARNING: This page is about a different car, the 2015 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

  1. 1.

    Verify the customer concern.

  1. 2.

    Visually inspect for obvious signs of mechanical or electrical damage.

  1. 3.

    If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step

  1. 4.

    If the cause is not visually evident, verify the symptom and refer to the Symptom Chart. 

Visual Inspection Chart 

Mechanical Electrical
Rear axle assembly
Matching tire sizes
BJB Fuses fuse 110 (10A) fuse 72 (25A) fuse 40 (15A)
Wiring, terminals or connectors
MSS
ELD field coil
TCCM