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Hi All, I am starting this thread to help those who have made the decision to upgrade their fuel senders to the CiES units and like me are starting to look for information on how to install them. First, thanks to Bob Belville and Terry Heim for agreeing to the CiES mug shots so I could obtain the Oshkosh show prices. Also, thanks to Bob S-50 for confirming my decision to make the purchase. I will be working with Terry to install these in his Mooney and mine. Terry is an IA and I agreed to start sourcing the necessary supplies to do the installs. I am currently looking for suppliers for the wiring, connectors and mounting hardware. The instruction manual does provide specific mil-spec numbers for the wiring. The mounting hardware shows a washer NAS number but I only have a partial description for the sender mounting screws. When I nail down what is needed, I will provide details on the components. My senders will be connected to an O&N Bladder System and a JPI 900. I intend to use them in "frequency" mode (advantage of working with electrical engineers to understand what this means). There are some differences in the installations based on whether your plane requires two or four senders. Terry's plane only has two senders, mine has four. In my installation, the two senders per wing will communicate with each other and the output will go to the JPI. There is also a requirement to calibrate the JPI and I will describe this process as we get to it. Right now, my priority is obtaining the hardware and burning down the fuel in my tanks so I can drain the rest of the fuel and begin the installation. For those of you who have already installed these, please share what you can on what you uncovered during the process.

Guys, please, I need your help! I'm willing to buy this tach (http://www.ebay.com/itm/B-D-TACHOMETER-P-N-0520-003-/171348387858?pt=Motors_Aviation_Parts_Gear&hash=item27e528e812&vxp=mtr) to replace mine but I was told that my sender might be damaged. Do you know what is the correct P/N for the sender of it? Does the sender includes the Tach Gen? Any of you have a spare one? It is difficult to find? My IPM says tha TACH GEN (B & D INSTR) P/N is 880053-501, but Mooney P/Ns make me confuse... I'm attaching a photo of the one I removed. Thanks!!