For $29/mo, we provide access to advanced level technicians who will answer your questions on any Macbook board related matter to the best of their knowledge promptly & walk you through how to solve your problem so you can deliver a working board to your customer.
"Jumped 1.8 to that" why? Always be eliminating variables NOT ADDING THEM! Sending 1.8v into the CPU when you have no evidence that there is anything wrong with that line is a GREAT WAY TO RUIN SOMEONE'S MEMORIES. I have no tolerance for that.
Time for you to learn how to troubleshoot image. Stare at the schematic at the connector. What lines do you think control image power? What could we learn about those lines using diode mode on our multimeter? Report back with your thoughts.