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Old 04-21-2012, 07:55 PM   #1
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What are the extra fuses for on battery

I think someone already mentioned this but I couldn't find the message so can someone again tell what is attached to the 2 additional fuses off of the positive post of my coach batteries?
The green and the blue wires in the right side of the picture.

Thanks
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Old 04-21-2012, 09:16 PM   #2
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one if them goes to your ecm and im not sure on the other
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Old 04-21-2012, 10:24 PM   #3
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one if them goes to your ecm and im not sure on the other
Dummy me. What is ECM? Electrical Control Monitor?
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Old 04-21-2012, 10:40 PM   #4
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On mine ones goes to the Propane Detector and the other to the Electric step.
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Old 04-21-2012, 10:43 PM   #5
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Originally Posted by Iggy View Post
I think someone already mentioned this but I couldn't find the message so can someone again tell what is attached to the 2 additional fuses off of the positive post of my coach batteries?
The green and the blue wires in the right side of the picture.

Thanks
Not for sure but they are both always hot! Maybe pull one fuse at a time and see if any alarm goes out. The blue looks small like and alarm, the green could be 15-20 amps, pretty good draw! That could be a accessory by dealer or last miniute by factory.
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Old 04-21-2012, 11:20 PM   #6
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On mine ones goes to the Propane Detector and the other to the Electric step.
Now I would believe that. The detector must be energized to have any of the propane to work. I will check the fuses out when I get the coach as it is still at the dealer being prepared and replacing a few things.

Thanks
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Old 04-22-2012, 10:00 AM   #7
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Now I would believe that. The detector must be energized to have any of the propane to work. I will check the fuses out when I get the coach as it is still at the dealer being prepared and replacing a few things.

Thanks
Glad this isn't a power supply on the space shuttle, well organized and secured!
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Old 04-22-2012, 04:58 PM   #8
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Gotta wonder why when battery disconnect is opened, the CO/Gas alarm also goes out, in fact the stove won't light therefore the propane solonoid closes. It takes quite awhile for the alarm to come back up so it is restarting. Why would they run a separate lead with inline fuse direct from the battery, only to switch it off with the main? I'll check in a few days as to what the circuit looks like, (maybe in the spaghetti)
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Old 04-23-2012, 05:11 PM   #9
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I think someone already mentioned this but I couldn't find the message so can someone again tell what is attached to the 2 additional fuses off of the positive post of my coach batteries?
The green and the blue wires in the right side of the picture.

Thanks
Confirmed today the two small leads from battery post do not lead to CO/Propane alarm. Its fed from the switched coach batter bus. The blue lead is 15 amp, when removed the alarm stayed on. The other lead is 25 amp heavy orange lead, still not sure where either leads. The FR dwg for power supply battery panel shows 15 amp to step, not sure about that one.
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