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You may also have to remove screws to complete this step. Note: Before proceeding, make sure that the PIA Adapter has been programmed. Refer to the PIA Installation Manual. Professional installation is recommended. Step 2: Connect the 34-pin cable connector to the Programmable Interface Adapter (PIA) mating connector as shown in Figure 1. Slide the rubber strain relief onto the PIA case. Attach the Car Dock USB connector into the USB receptacle on the PIA. Make sure the connectors are secure, an