We've got an OLD 2520 but she's my husband's favorite and he would like to get her running again. We purchased a wiring harness on eBay but he is needing a diagram or schematic to put it all back together. There are a couple of wires he is unable to get placed right-- the ones to the radiator and the coil for sure. Can anyone steer me in the direction to purchase such a diagram? Took it to a repair shop, they said they couldn't fix it after having it for a month but wanted to buy it 😁. Thanks in advance for any leads.