Originally posted by deciv
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I got this from Paul Brockett @ Faria tech support to help in troubleshooting:
"Hello,
Please see the attached Is0151. Page 16 shows the wiring for the analog senders. Please refer to plug 14, pin three. You can use the attached IS0345 to test the analog sender.
The gauge itself can be tested by changing its position in the daisy chain. If you put the inoperative gauge in place of a working gauge and it still does not work, the gauge is bad.
Please note that the gateway box and gauges on this boat are obsolete and unavailable. They also can not be repaired.
The next option you would have to replace a bad gauge is to bypass the box and run the signal wire from the sender to an analog gauge.
Here is a link to our aftermarket catalog. https://fariabeede.com/2-pages/prod_...dGauge=2_press
Faria does not sell directly to the customer but you can Google "Faria" and the part number you are looking for and distributors will come up.
All the best, Paul
IS0151_C_Serial_Bus_for_correctCraft.pdf
IS0345a Voltage.pdf "
From my understanding, there is some code in the BUS sent from the Gateway that the gauges can interpret. It isn't just a voltage reading that a normal analog gauge can read. That signal from the Gateway is daisy changed through the cluster and the gauges read them and respectively display the input. There are only 4 channels (wires) in the daisy chain and whatever binaries are in there control the displays of 6 gauges, so you can't really hot-wire these digital displays. They look analog, but they are not. You can still get some gauges on Nautique Parts, but you might have a 'one-off' in your dash.
I have a dead gauge in the cluster that seems to migrate; was the oil pressue last week, this week it is the engine temp.
Will open the gateway and look for water, planning on cleaning the contacts and the board while I'm in there. I'll also search for shorts as dicev has recommended and then I'll change the sequence of the daisy chain as Faria recommends to see if the gauge is dead or if the issues follow the interfaces of the daisy chain.
If I had $900 to burn, I would lose the factory gateway/gauges. Seems like the best way to go after a week of banging my head on the wall. What is it with boats and gauges? 3rd boat and have yet to have a fully functional dash. Want to know what that feels like.







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