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Open Roads Forum  >  Class A Motorhomes  >  General Topics

 > Buzzing relay

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Larrysr1957

Panama City

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Posted: 12/23/20 01:50pm Link  |  Quote  |  Print  |  Notify Moderator

The slide out relay in the fuse box Uber the hood is buzzing very loudly. Can anyone tell what the cause is and how to fix it
Thanks in advance

enblethen

Moses Lake, WA

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Posted: 12/23/20 02:35pm Link  |  Quote  |  Print  |  Notify Moderator

Dirty so contacts are not closing completely
If enclosed style small plug in, replace it!
Metal can style, replace.
If large open, you can normally blow it out.
What does relay supply?


Bud
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Tom/Barb

Oak Harbor, Wa

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Posted: 12/23/20 03:09pm Link  |  Quote  |  Print  |  Notify Moderator

https://www.youtube.com/watch?v=IpRWcNoLdwQ&t=513s


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Harvard

51.6N 114.7W

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Posted: 12/24/20 09:55am Link  |  Quote  |  Print  |  Notify Moderator

Weak or low battery power available to drive the engaged load.

Tom/Barb

Oak Harbor, Wa

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Posted: 12/24/20 12:32pm Link  |  Quote  |  Print  |  Notify Moderator

Harvard wrote:

Weak or low battery power available to drive the engaged load.


that's my best guess too.

enblethen

Moses Lake, WA

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Posted: 12/25/20 07:00am Link  |  Quote  |  Print  |  Notify Moderator

If there are other relays of the same model, try changing one to the noisy one. That should tell you if it is the relay or something else.

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