Originally Posted by James
Have you disconnected the battery? i *think* the heated front screen wires are seperate to the rest of the loom and just has a eyelet that goes onto the battery, so you might have not reconnected that wire?
The heated front screen has its own seperate loom with a single blue/black wire witha connector on that connects to the car loom for an igntion live so it only works with the ignition on. The positive is direct from the battery as James says