GASKET-PUMP 0329963 - Caterpillar

Use this procedure under the following situation:Use the following steps to help determine if the connector is the cause of the problem. If a problem is found in the electrical connector, repair the connector and verify that the problem has been corrected.The following background information is related to this procedure:Many of the operational procedures and the diagnostic trouble code procedures in this troubleshooting guide will instruct you to check a specific electrical connector. Intermittent electrical problems are often caused by poor connections. Always check for an active diagnostic trouble code before breaking any connections. Also, always check for an active diagnostic trouble code after the connector is reconnected in order to verify that the problem disappears. Simply disconnecting the connectors and then reconnecting the connectors can temporarily solve a problem at times. If this occurs, likely causes are loose terminals, bent terminals, improperly crimped terminals, corrosion, or harness routing that is improper.The original source of the problem must then be identified in order to ensure that the problem does not reoccur.Follow this procedure to thoroughly inspect the connectors in order to determine if the connectors are the cause of the problem.
Illustration 1 g00820688
(1) Correctly Routed Harness
(2) Correctly Inserted Plug
(3) Incorrectly Routed Harness
(4) Incorrectly Inserted Plug
Illustration 2 g00690571
Proper Installation of Plug
Illustration 3 g00828600
DT Type sealing plug
The 8T-8729 Connector Pin (2) and the 8T-8730 Connector Socket (1) is designed to accept only one 16/18 AWG wire. Do not insert multiple wires of a smaller wire size. Using two 24 AWG wires is an example of this method that is incorrect. The 9W-0852 Connector Pin and the 9W-0844 Connector Socket is designed to accept only one 14 AWG wire. Do not insert multiple wires of a smaller wire size. Using two 20 AWG wires is an example of this method that is incorrect.
CHECK THE CONNECTORS.
Ensure that the connector is properly locked. Also, ensure that the two halves of the connector can not be pulled apart.
Verify that the latch tab of the connector is properly latched. Verify that the latch tab of the connector is fully latched. Expected Result: The connector will securely lock. The connector and the locking mechanism are without cracks or breaks.Results:OK - The connector will securely lock. The connector and the locking mechanism are without cracks or breaks. Proceed to test step 2. NOT OK -