In the order channel for Humbuckers and P-90 Hx please insert a question if a Harness Connector is chosen .... QUESTION-1 about harness: Do you intend to connect this pickup to a Kinman No-Soldering harness (K5, K7 or K9) for Stratocaster?No: continueYes: does your Kinman No-Soldering harness for Stratocaster (K5, K7 or K9) require a change to a 500k pot? (Humbuckers &amp; P-90 Hx require a 500k volume pot).  If so we will include a 500k pot with your order, Button selects1) Volume pot is of the type that plugs-into the harness switch module (harness made after 10-Aug-06).2) Volume pot is of the type that solders to the harness switch module (harness made before 10-Aug-06).A 'Yes' answer adds an upcharge to the order of .....US$10 AUD$10 GBP 7  Euro 8