GM Service Manual Online
For 1990-2009 cars only

Some items to check are:

    • Poor mating of the connector halves, or terminals not fully seated in the connector body (backed out).
    • Dirt or corrosion on the terminals. The terminals must be clean and free of any foreign material which could impede proper terminal contact.
    • Improperly formed or damaged terminals. all connector terminals in problem circuits should be checked carefully to ensure good contact tension. Use a corresponding mating terminal from J-35616 to check for proper tension.
        Refer to Checking Terminal Contact procedure in this section.

       Notice: Connector test adapter kit SA9206Z must be used whenever a diagnostic procedure requests checking or probing a terminal. This will ensure that no damage to the terminal will occur.

    •  Poor terminal-to-wire connection. Checking this requires removing the terminal from the connector. some conditions which fall under this description are poor crimps, joints, crimping over the wire insulation rather than the wire itself, corrosion in the wire-to-terminal contact area, etc.
    • Wire insulation which is rubbed through, causing an intermittent short as the bare area touches other wiring or other parts of the vehicle.
    • Wiring broken inside the insulation. This condition would cause a resistance show continuity, but if only one or two strands of wire are intact, resistance would be too high.
    • When measurements are requested, use J 39200 with J-35616 When repairing a wire, connector, or terminal, use the proper repair parts and refer to Wire Repair or Connector Repair procedures in Body/Electrical.