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Old 06-28-2006, 12:28 PM   #1
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Default Charger Problems After Getting Deans

I have a Black Widow Elite charger and I just put Deans plugs onto all my batteries. I then made a converter for the charger to go from the stock tamiya to the deans. My problem is that when i hook up a pack with a tamiya plug, the charger reads a voltage and will charge the pack. When i put on a pack with the deans plug, it shows 0 volts and wont charge the pack at all. I have taken a multimeter and checked all my connections and the voltages of the packs and theyre all fine. I even hooked the battery in my car and it ran with the deans. The problem is with the charger. Any ideas what I should check on. Would swapping the tamiya plug with a deans solve this problem? Thanks for the help. I need to get this fixed by this weekend so i can try out racing.
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Old 06-28-2006, 01:46 PM   #2
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Slight update.

I just put the deans right onto the charger cord and theyre still not working properly.
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Old 06-28-2006, 01:51 PM   #3
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have you checked to see if you have the wires crossed. Deans plugs do have polarity assigned to each leg. Look for a + or - sign on the red part of the plug.
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Old 06-28-2006, 01:55 PM   #4
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The polarities are all correct. I just checked right now to be sure.
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Old 06-28-2006, 02:07 PM   #5
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You most likely have a bad solder joint in your tamiya to dean connector - maybe a cold solder joint. Either that or a bad Tamiya to tamiya connection. If all or most of your batteries are now deans, it would be best in the long run (after you diagnose and correct this problem, so as to not void the charger warranty) get rid of the "middleman" (Tamiya) and have the charger have a deans male plug on it to charge directly to the deans female plugs on the batteries. Tamiya plugs are not only inefficient, but they are more prone to failure/problems. The fact that you can use this charger when making a straight charger tamiya to battery tamiya pack shows that the charger is working perfectly, its your connection that is the problem.
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Old 06-28-2006, 02:09 PM   #6
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Not trying to challenge your skills but it could be a bad solder joint.
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Old 06-28-2006, 02:10 PM   #7
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I just put a male deans plug straight onto the charger. Im not worried about voiding the warranty because im past the 90 days. Ive used a multimeter to check the resistance in my joints and they are all pretty low.
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Old 06-28-2006, 02:57 PM   #8
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you might have shorted out the charger.. open it up and look for any blown fuses..
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Old 06-28-2006, 04:54 PM   #9
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replace the male deans on the charger. they can and do get worn.
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Old 06-28-2006, 05:39 PM   #10
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Im gonna have to play with it more since i was able to get one of my packs to work. The other still wont charge so Im taking apart that pack tomorow to check it out. Thanks for the help.
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