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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Wiring Systems And Power Management - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> Probing Electrical Connectors >> Front probe

Front probe

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CAUTION:

Refer to Test Probe Caution .

GM4112592Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • Connectors with 0.50 terminals should not be probed within the female terminal (1). Damage may occur to the terminal and result in improper diagnosis. There is a test point on the connector (2) next to the terminal where testing should be performed. When checking terminal spread on connectors with 0.50 terminals, use probe tool EL-35616-58  directly into the female terminal (1).
    • When probing female 0.64 terminals, it is important to use the correct adapter. There have been some revisions to the test adapter for 0.64 terminals. The proper adapter for 0.64 terminals is the J-35616-64B which has a gold terminal and a black wire between the base and tip. Failure to use the proper test adapter may result in damage to the terminal being tested and improper diagnosis.
    • The proper adapter for probing the terminals for fuses, relays, or diodes in an electrical center is J-35616-35. Using any other tool or adapter may damage the terminal being tested.
  1. Disconnect the electrical connector.
  2. Insert the appropriate test adapter straight into the terminal on the mating side (front) of the connector.

    Refer to the appropriate Connector End View to determine the correct test adapter for front probing terminals.

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