2012 sprinter - Front blower weird issues - please help!

roryobrien

New member
Hi guys... my front blowers have stopped working... I put the problem down to a faulty heater switch. Everything else works fine... I’ve made up a little jumper cable to bypass the switch (pictured below) and I can get all 4 speeds... hot and cold air.
Ive bought two control units from eBay (second hand) and It still isn’t working. I sent the first one back as I assumed it was faulty & ive still got the second one here. Somethings telling me that it’s not the switch that’s the problem!?z

Now... to me there are a couple of possibilities -

1. Both switches are broken and I need to replace with a brand one

2. There’s some sort of “learning” or coding to be done to make the switch work?


If anyone could help then it’d be greatly appreciated...

Thanks
Rory6CD838A5-D108-4336-A5EE-B6926C86AB75.jpegCBA6D86A-D83D-4CEA-AD56-F1C6DF34BD92.jpeg
 

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