Shop › 12' DBW Pigtail Image 1 of 1 12' DBW Pigtail $48.00 12’ DBW Pigtail for the SW20 chassis. This pigtail is long enough to reach to the stock ECU location. Get notified by email when this product is in stock. Quantity: Add To Cart Added! 12’ DBW Pigtail for the SW20 chassis. This pigtail is long enough to reach to the stock ECU location.