Question about 2004 Chrysler Town & Country

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Lots of corrosion on the positive battery terminal and it won't s

There is lots of corrosion on the positive battery terminal. We replaced the battery a little over a year ago. We also seem to have an electrical or starting problem intermittently where the van won't start and makes either a click or no sound at all. The lights on the dash come on, but it doesn't start unless I pump the gas a little. We also have had trouble with the power sliding door one one side not opening when pushed and the "door open" signal light on the dash flickering crazily when the door is open (the one that doesn't open automatically as it should.) Please help! We can't afford this right now!

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The corrosion on the positive battery terminal could well be the cause of the intermittent "no crank" problem. Because of the way electricity flows the positive cable is most prone to corrosion and needs to be cleaned more often as a result. If the corrosion gets bad enough it can severly limit the amount of current available to the starter with the result being that the starter does nothing or just "clicks" instead of cranks. I would start by having both battery cables and posts cleaned thoroughly [shiny clean] and once that is done check to see if the remainder of your electrical problems are gone once you have good power available again. You might have more than one problem here but I'd start with the known one and work out from there.

Posted on Jul 08, 2010

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MY van did the same thing, and it was my battery! The dealership replaced it and said this is what happens when the battery is all used up.

Posted on Aug 06, 2012

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The corrosion on the terminals can cause a lot of trouble. Depending on how much acid corrosion, it can cause electrical problems such as you describe. You can buy a can of acid neutralizer, The kind I use sprays a yellow color and turns pink, so be careful not to get it on anything may fade, even the paint on the car. They do sell round felt pieces that suppose to prevent acid buildup, but these work about 50% of the time. You really need to clean the terminals with a battery brush and see what your local parts store carry to put between the battery cable and terminal. After this is fixed some of your problems will go away. After corrosion buildup, the car can click, plus lights act crazy because it's not getting the connection it needs or power to do the job.

Posted on Jul 08, 2010

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