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Old 19th February 2021, 11:10   #1
hst125
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Default FBH controller gsm wiring

I’m just about to start the fit, quick question if I have this type of oem controller do I still need to run a wire to the FBH itself or tap into this loom?



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Old 19th February 2021, 13:21   #2
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Just tap into the harness from the timer.
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Old 19th February 2021, 16:53   #3
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I have not wired one to the existing timer but if it doesn't work note that the timer is just sending a signal to the relay near the fuse box and it is that relay which is directly connected to pin 3 of the FBH for the remote switch on and is connected to pin 4 of the FBH for your cabin heater to switch on as part of the process.

Please report back with your findings when you do the install
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Old 19th February 2021, 17:25   #4
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Paused it for now, turns out the phone I’ve bought only has one output...


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Old 19th February 2021, 18:02   #5
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Quote:
Originally Posted by hst125 View Post
Paused it for now, turns out the phone I’ve bought only has one output...


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That doesn’t matter, it’s just a signal! You can use it to switch on the fbh and the heaters, I did this on Debs ztt.
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Old 19th February 2021, 18:54   #6
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Ahhh. So can I run a feed to the cubby, put it all in there, run it to the FBH controller and leave the existing auto on to the climate panel? I noticed today if I leave the climate on auto it regulates the blower until there is sufficient water temp.


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