> All the blankets used heavy duty 600 volt rating on each of the 4 pins on= the connector > that runs from the controller into the blanket, a photo of the connector = is here: .... > Inside the controller is a PIC chip, triac switching and a mylar cap base= d line voltage to low > voltage power supply. There is a thermistor mounted on the PCB, which is = used to compensate > for the ambient temperature change in the room. There are 2 output wires = and the heating > element is a single conductor (actually 2 parallel conductors) within the= blanket itself. Although > there are 4 terminals on the controller connector, only 2 of them are use= d. There are no > connections to the other remaining pins on the blanket. Does the controller itself have 4 connections to the connector? It sounds t= o me like the element end has been mis-wired, hence why the failures on the= reports that someone else posted. --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .