Corrosion on Negative Battery Terminal - Bad Ground?

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05-17-2004, 07:38 PM

mqqball

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About 3 months ago, I noticed that my battery had alot of corrosion on the negative terminal. I thought that it was a symptom of old age. I replaced the battery with an Optima since the old battery was at the end of its life (wouldn't start in cold weather). The car starts with no problems but I noticed that the corrosion has returned to te negative terminal.

Any ideas? Could it be a bad ground?

Note - When replacing the battery the terminals where cleaned of any corrosion and greased.

05-17-2004, 08:45 PM

Dereck Waller

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Use the little felt washer thingys. When cleaning them use baking soda and water.

05-17-2004, 08:50 PM

Landry

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Put a copper penny beside the post that works also ..

05-18-2004, 01:33 AM

Chadxton

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^How about a non-copper penny, anyone try those? [img]tongue.gif[/img]

05-18-2004, 06:48 AM

Landry

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Yah those work sub-par [img]graemlins/headbang.gif[/img]

05-18-2004, 09:36 AM

Dave MacKinnon

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Phoenix Gold had some purple paste back in the day that was designed to prevent corrosion.. I'd paint it with dielectric silicone, available at many automotive parts stores and usually at Canadian Tire.

05-18-2004, 12:39 PM

Paul Niwranski

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Anytime I have the hood open I give the terminals a shot with WD40 - repels water, is clear, and seems to keep the terminals junk free [img]smile.gif[/img]

05-18-2004, 02:57 PM

JohnVroom

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WD-40 = water displacement formula #40

05-18-2004, 04:19 PM

Paul Niwranski

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Yep.

05-18-2004, 05:26 PM

#10

Mini Steve

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Quote:

Originally posted by Dave_MacKinnon:
Phoenix Gold had some purple paste back in the day that was designed to prevent corrosion.. I'd paint it with dielectric silicone, available at many automotive parts stores and usually at Canadian Tire.

I'm with Dave on this 1. When I worked with Ford an machanice had intrduced me to Dielectric silicone. I have used it on all my critical and not so critical conections since. Works great on batt, ditributers, plugs, ect. Water can't coroded where it can't get too!

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