by MartyP22 » Wed Aug 10, 2022 4:52 pm
Hi,
Was wondering whether you had managed to sort problem, as I now have similar problem. I have a 2007 Transit with an auto sleeper motorhome on back.
The batteries went almost flat, just had enough to start but only just. I then charged up batteries on vehicle. We then noticed after that, that the instrument cluster stayed on all the time even when vehicle was switched off and locked.
We had batteries checked and ended up fitting new leisure battery (damaged cell) and front vehicle battery. Problem still persisted. Removed the fuse and cluster goes off, refit fuse and it comes on and stays on again.
My mechanic found and replaced blown fuse for diagnostic port. Interior light then worked which it never had before! Plugged in his diagnostic device and it said fault with instrument cluster and fault with door ajar switch. Cleared everything and it comes back with just fault with door ajar switch. However, instrument cluster is still on all the time. When door is closed the 'door open' warning light on panel goes off and interior light (which had never previously worked) goes off, so switch must be working.
We don't know what to try next, so any thoughts or suggestions would be helpful.
Thanks.