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- 1). Pull the electrical connection toward you. Make sure that you can comfortably get both hands on the connection. If you cannot, look further along the harness, there may be a plastic tie holding the wiring up behind the dash that needs to be loosened or removed before you can separate the electrical connections.
- 2). Hold each side of the electrical connection between the thumb and forefinger of each hand. If your connection is a wide box-like type continue reading, if not go on to step 3. Box type connections are commonly used for rear signal lights and headlamps. Feel along the wider face of the box near where the two pieces connect. You will feel a tab on one side. Push down on that tab while pulling on the piece that is inserted into the part with the tab. The connection will separate.
- 3). Pinch the sides of the rectangular connection that inserts into the other part. If this is not the type of connection you are working on, go to step 4. You will feel a raised tab on the narrow sides of the connection, press these in and pull the inserted part of the connection out of the receiving piece.
- 4). Hold the upper portion of a cylinder type connection in the palm of one hand. Cylinder type connections are popularly used for antennas, radios and other accessories in your wiring harness. A cylinder will separate in one of two ways. The first will have a set of tabs molded into the bottom part that lock into the top piece through notches molded in the top part. To separate these, press the bottom part into the top and twist counter-clockwise. The tabs will move to the wider portion of the notch and you can withdraw the lower half from the upper. The second type of cylinder connection is a simple threaded type. Hold the upper part in the palm of one hand and grasp the lower half and turn it counter clockwise until it comes free.
- 5). Separate simple terminal connections (a male and female metal ended connection that are joined together) by grabbing both halves by the portion of the connection located behind the terminal head and pulling them apart. You can usually tell the part to grab because it is covered with a color coded piece of plastic or rubber. Do not pull by the wire as you can ruin the integrity of the connection and cause a short.
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