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Farmall & IHC Tractors Discussion Forum
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OT-Battery cable corrosion

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Michael Sheik

05-08-2007 06:37:30




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I have a 2002 Chevrolet K-3500 and the positive cable lead corrodes up fast. This corrosion is isolated to the post(lead eye with red plastic, factory cover) where it bolts to the battery and is not on the lead itself. I am needing to clean all the corrosion off and try to stop future corrosion. Couple Questions: 1. What can I dip/soak the cable in to remove the corrosion? How about a can of Coca-Cola. I've done it with water and it works fair but takes a few hours and seems to not get it all.

2. What is everybody's favorite spray-on or brush-on stuff to apply to the cleaned post/cable to stop future corrosion. I've tried heavy grease and it kinda works but messy.

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City-Boy McCoy

05-08-2007 11:32:30




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 Re: OT-Battery cable corrosion in reply to Michael Sheik, 05-08-2007 06:37:30  
Baking soda works okay, but lately I have been using a couple of products from Permatex. One is battery cleaner (seems to work better than baking soda to me) and the other is battery protector which is applied after the cleaner. Both come in small spray cans. I believe I have seen them at O'Reilly's Auto Parts.
Also, an old battery will corrode more as it gets near the end of it's useful life. If your battery is corroding badly and over 2.5 to 3 years old, save yourself some trouble and go ahead and change it out. You might save having to replace your cables if you do it now. mike

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edj856

05-08-2007 09:40:05




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 Re: OT-Battery cable corrosion in reply to Michael Sheik, 05-08-2007 06:37:30  
I was always told that only a transparent grease should be used on electrical connections, such as dielectric grease. I would clean the terminal with a wire brush and baking soda, then paint it with either a battery protector paint or clear spray paint. Just make sure that the battery isn't leaking. However, lot's of corrosion after you've just cleaned the it usually means that the battery is going bad. Average life for a battery is about 5 years, and if it's the original battery it's about time for a new one so you don't end up stuck somewhere.

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PRTZMAN55

05-08-2007 09:26:20




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 Re: OT-Battery cable corrosion in reply to Michael Sheik, 05-08-2007 06:37:30  
hello
you might want to check next time you
have the terminals off that your battery is not leaking.
some of those delco batterys had that problem



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El Toro

05-08-2007 07:55:04




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 Re: OT-Battery cable corrosion in reply to Michael Sheik, 05-08-2007 06:37:30  
I would use what Ludwig suggested, baking soda.
Then clean all connections until nice shiny. I would put some baking on the connection that corrodes and leave it there. Hal



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Ludwig

05-08-2007 06:42:13




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 Re: OT-Battery cable corrosion in reply to Michael Sheik, 05-08-2007 06:37:30  
I used to have bad corrosion/contact problems on my Super M until I started greasing the post with just regular chassis grease.
Theres a spray stuff they sell just for this purpose. Looks like semitransparent yellow paint when its on.

To clean it use a toothbrush with a mixture of water and baking soda. The corrosion is caused by the acid in the battery. You need to remove the acid or it'll keep eating things.

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GeneMO

05-08-2007 08:02:10




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 Re: OT-Battery cable corrosion in reply to Ludwig, 05-08-2007 06:42:13  
My dad always taught me to use just regular grease gun grease. Put a coating on the post and on the inside of the cable. Then ( on our tractors) would smear it all over the outside. That may be a little messy for your purposes. There are some commercial products that you can brush on. Seems like we use one once that left kinda a greenish varnish like coating on the surface.

The other post about cleaning with baking soda is right on.

Gene

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