Heater controls replaced

Who designed these heater controls? I could never imagine anything so complicated. But it has to combine three control wires and switches. Mine had no control for windscreen vs. feet, and the fan worked intermittently.

I was ready to put a new, separate,  control wire in the dashboard. But the a genuine Iveco one came up on eBay What a bargain at £25.99 And what a horrendous job to fit







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