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Open Roads Forum  >  Tech Issues

 > Connect small wires to auto battery post?

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Ramblin' Ralph

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Posted: 01/13/21 06:38pm Link  |  Quote  |  Print  |  Notify Moderator

I'm replacing my RV/marine battery, that has a wingnut terminal for small wires, with one that doesn't. So I'm looking for something that will connect to a large battery post (along with the battery cable) and give me a way to connect small wires under a wing nut. I don't want to replace the end of my battery cables to do this.

Thanks,
Ralph


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Dutch_12078

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Posted: 01/13/21 07:07pm Link  |  Quote  |  Print  |  Notify Moderator

These adapters will get the job done:

Schumacher BAF-MT2 Coated Marine Terminal End


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agesilaus

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Posted: 01/13/21 07:22pm Link  |  Quote  |  Print  |  Notify Moderator

Dutch_12078 wrote:

These adapters will get the job done:

Schumacher BAF-MT2 Coated Marine Terminal End


That is for battery cable sized wires, not small wires.

So far as I know you can either get crimp on ring terminals or more commonly just loosen the battery cable and stick the bare end of the wire down between the cable clamp and the terminal and tighten the clamp down. The half a@@ method.

There is this: Keadic Battery Terminal

Tho I've never seen one.


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enblethen

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Posted: 01/13/21 07:34pm Link  |  Quote  |  Print  |  Notify Moderator

Look in the under hood fuse/relay box for hot all the time spare terminal or fuse position.
Could connect to either terminal post one or two in fuse/relay box.
What amount of power do you need?


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D.E.Bishop

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Posted: 01/13/21 07:48pm Link  |  Quote  |  Print  |  Notify Moderator

Look up Cardid 2009 GMC Canyon battery terminals. That should work.


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bob213

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Posted: 01/13/21 07:48pm Link  |  Quote  |  Print  |  Notify Moderator

This should work:post connector

If your battery has screw in side posts they make one for that as well.
Like these: side post adapters


* This post was edited 01/13/21 07:57pm by bob213 *


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time2roll

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Posted: 01/13/21 08:23pm Link  |  Quote  |  Print  |  Notify Moderator

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ItsyRV

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Posted: 01/13/21 08:59pm Link  |  Quote  |  Print  |  Notify Moderator

I don't have a picture to show you, but before I added the auxiliary power connection panel to the coach battery, I went to the local auto store and they had these spade "Y" wire connector for top post batteries that the V part went under the thick battery cable and the other end had a screw terminal for lugs or wires. It's similar to what you are being shown above, but instead of a large battery cable clamp, it was a semi thick spade connector type with a second smaller post for attaching wires, spaded or ring connectors that didn't interfere with or required altering the original battery connector.

They also had a set that had two and three aux connections but at that stage, using a dedicated auxiliary power connection bar would have been better. If you have a side post, they had a similar set just for side post that had ring connectors instead of spade connectors.


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agesilaus

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Posted: 01/13/21 09:11pm Link  |  Quote  |  Print  |  Notify Moderator

bob213 wrote:

This should work:post connector

If your battery has screw in side posts they make one for that as well.
Like these: side post adapters


I could make one of those easy enough, a longer bolt, a brass spacer from Ace Hardware, and a nut. Interesting kludge.

gbopp

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Posted: 01/14/21 04:00am Link  |  Quote  |  Print  |  Notify Moderator

bob213 wrote:

This should work:post connector

If your battery has screw in side posts they make one for that as well.
Like these: side post adapters

These should work, the OP does not want to replace the battery cable ends.

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