Hi. I know this thread is old. But I just registered to say THANK YOU for all of the discussion. Every step. I managed to sort my problem. Just a bit of context: Mine couldn't heat past 82C. So I measured the heat bed terminals while it was heating up. It was showing 10.45V and the input voltage was 12.02V. So I recrimped the connectors and put solder on the end lugs and plugged them into RAMPSby masch - RAMPS Electronics