I know nothing about this but there is a planter listed on Craig's list with monitor and drums for $750. Might be cheaper than getting a harness builthttps://terrehaute.craigslist.org/grd/d/case-800-cyclone-air-planter/6464259841.htmlThe Daugherty Companies can probably make a new onel. See http://www.ag-electronics.com/products/custom-oem-wiring-harness/.