Symptom

Symptom

Incorrect circuit operation.

Possibly more than one circuit affected.

Black(B) wire missing

Cause

One of the wires which should be in the connector is missing.

The arrangement of the wires in the connector on the vehicle is not correct.

Action

Locate missing wire (peel back harness tape/insulation if necessary).

When replacing a wire or terminal be careful not to make the wire too short, if necessary add a length of wire and join using a "Duraseal" heatshrink connector.

Refit wire terminal into connector block correctly, ensuring proper retention of terminals in connector block.

Check correct operation of circuit(s).