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Old 05-27-2018, 03:49 PM   #1
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Replaced fuse - Don't know what it controls

While doing routine care I came across a blown 30amp fuse. Does anyone know what it controls? See Photo.

RV is a 2017 DX3 TS.

Thanks
Tom
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Old 05-27-2018, 04:03 PM   #2
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One way to find out is to pull the fuse and then see what doesn't work.

Slide(s), jacks, battery charge, lights, pump, awning, fans, etc.

Short of having an actual diagram showing what it protects, that's about all one could do. Flip every switch and try to operate every accessory.
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Old 05-27-2018, 04:06 PM   #3
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I wish I had a diagram for that fuse panel too. No idea what any of those do. I do know one of the 5 amp is for the RV step
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Old 05-27-2018, 04:25 PM   #4
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So nothing is labeled and no legend of any kind? Good grief, what kind of documentation do you actually get when you buy one of these?
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Old 05-27-2018, 04:32 PM   #5
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Quote:
Originally Posted by TitanMike View Post
One way to find out is to pull the fuse and then see what doesn't work.

Slide(s), jacks, battery charge, lights, pump, awning, fans, etc.

Short of having an actual diagram showing what it protects, that's about all one could do. Flip every switch and try to operate every accessory.
30 amps. No lights, pumps, awning, fans. Might be slides, levelers, or jacks. Heavy 12 volt load.

What wasn't working before you changed it?
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Old 05-27-2018, 05:39 PM   #6
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DX3 & Force fuse block

This might help
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Old 05-27-2018, 05:45 PM   #7
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If this is the correct diagram, "Tow Charge" makes perfect sense.

If towing make sure connector and pigtail are wired correctly. I like to use a circuit breaker at the tower vehicle to protect the connecting wiring for flow in both directions.

If not towing, something may have shorted in connector.
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Old 05-27-2018, 08:29 PM   #8
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This might help


Thanks
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Old 05-29-2018, 12:03 PM   #9
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yes, thank you. I was looking for that.

Engineering has started a pdf directory...but they don't have everything in there yet and changing EE's has set that back a bit.
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Old 05-29-2018, 01:32 PM   #10
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This might help
Brian,
Question on some of these Fuses.

SPR, CHS, Cons-1 (what do those designate?)

Tow Charge? (I am guessing this is the 12v line that runs to the trailer plug?

Tow Charge again in Relays?

Rearview Monitor? must be camera relay?
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