4. Checking crimping

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Check insulation crimp (8) and wire crimp (9) against following illustrations to ensure crimps are correctly located.

NOTE: Illustration shows butt connectors and contact sleeves for fan connectors knocked on one side. The crimping procedure is identical here.

Fig 1: Identifying Insulation Crimp And Wire Crimp

Courtesy of BMW OF NORTH AMERICA, INC.

Correct crimping:

Visible conductor end (10).

Visible insulation end (11).

Fig 2: Identifying Visible Insulation End And Visible Conductor End (Correct Crimping)

Courtesy of BMW OF NORTH AMERICA, INC.

Incorrect crimping:

Conductor end (10) inserted too far.

Insulation end (11) in wire crimp.

If necessary, repeat crimping with a new contact.

Fig 3: Identifying Visible Insulation End And Visible Conductor End (Incorrect Crimping)

Courtesy of BMW OF NORTH AMERICA, INC.

Incorrect crimping:

Conductor end (10) not visible.

Insulation end (11) not visible.

If necessary, repeat crimping with a new contact.

Fig 4: Identifying Conductor End And Insulation End (Not Visible)

Courtesy of BMW OF NORTH AMERICA, INC.