For your Dometic CU949E cooling unit (model 3313601.000), the wiring harness you need is the 6-pin communication cable that links the upper display panel (eyebrow panel) to the lower control board. This 6-wire harness is essential for proper communication between the control components. Common compatible part numbers include [phone removed], [phone removed], and [phone removed]. We recommend verifying the exact part number with your unit's specifications before ordering. Please contact us directly to confirm availability, pricing, and shipping options for this harness to ensure you receive the correct component for your 2012 Dometic RM1350 refrigerator cooling system.