FORK 2198836 - Caterpillar

electrical problems are often caused by poor connections. Use the following checks as a guide for inspecting connectors.Check connector mating
Ensure that the locking rings lock into place.
Ensure that locking clips are used on Sure Seal connectors.
Ensure that the screw in the center of the connector is tight.
Ensure that the connector pins and sockets align properly.Check wires at the connector
Ensure that the wires enter the back of the connector straight and not at an angle.
Ensure that each wire is properly crimped into the proper connector contact.
Ensure that each connector contact is properly locked into the connector contact. When the connector contact is locked properly, the contact (wire) cannot be pulled out of the connector body without excessive force.Check each wire for nicks or signs of abrasion in the insulationCheck for moisture at the connector
Damaged connector seals or lost connector seals.
Missing or loose wire hole plugs.
Wires not entering the back of the connector straight.
If wires enter at an angle, there may not be a good seal between the connector and the wire insulation.
From other connectors with poor seals by traveling inside the wire insulation.Check for dirty or corroded contacts
Clean contacts with a cotton swab or a soft brush and denatured alcohol only.Check each pin and socket
Check each contact of the connector for a snug fit by using a new pin and socket. The new contact should stay connected if the connector is held with the contacts that are facing down.