Relay or fuses!?!

[Nads007]

Last fall, slideout on my Momentum 399th, did’nt work…

Rv tech replace a relay ou a kind of fuse just behind the battery.

Do you know witch kind of is it?

Il just want to buy some before our next trip and to have some in spare parts.

Tx


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[huntr70]

Probably the 80 amp auto reset breaker.

[Nads007]

Probably the 80 amp auto reset breaker.

He said that it was a very small part, there is severL of it under a little black cover to the wall…


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[FT4NOW]

Depends on the year of your 399. If 2018 or earlier, it's most likely a 50A auto resetting circuit breaker. Follow the line from your hydrualic pump to a small black plastic cover , remove the cover and you will see the breaker, its 12V DC. The 80A breaker mentioned above is on newer models when GD switched to a higher capacity breaker. I would purchase the 80A breaker and ditch the 50A breaker. You can just wire in the new breaker in the vicinity of the old one, it wont fit where the 50A us currently located.

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[Nads007]

Oh!

It’s a 2018…

Ok tx I’ll check this.


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[Redapple63]

Depends on the year of your 399. If 2018 or earlier, it's most likely a 50A auto resetting circuit breaker. Follow the line from your hydrualic pump to a small black plastic cover , remove the cover and you will see the breaker, its 12V DC. The 80A breaker mentioned above is on newer models when GD switched to a higher capacity breaker. I would purchase the 80A breaker and ditch the 50A breaker. You can just wire in the new breaker in the vicinity of the old one, it wont fit where the 50A us currently located.

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Agree with this. You definitely want a auto resetting breaker.

[zr2L5Pme]

Bussmann CB185-80 Waterproof High Amp Flush Mount Type III (3) Circuit Breaker (80 Amp), 1 Pack https://www.amazon.com/dp/B001PTBVLW...SNP541Y7CGPB3E

Similar to this is what many, including myself, have installed while replacing the oem 50A I had on my 2017

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[Nads007]

Thank you!


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[Nads007]

48v?


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[Redapple63]

48v?


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I believe that is max voltage. Will work just fine on 12v. As long as you know of you trip it, not automatically reset, you need to hit the button. Other than that, certainly far more heavy duty and durable that what it will replace.