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Old 18 Mar 2013, 06:46 am
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Join Date: Mar 2013
Posts: 2
Default 2002 Honda CRV EX Gauge Issue?

Well, its a long story. But basically, I took out the battery to put it on trickle charge because recently it would die kind of fast, but always held a charge. So I figured I'd let it trickle charge.

I was working on the window, so I needed power. I hooked up a battery charger to do so, but the gauges wouldn't quit moving around! So I unplugged that, and used an external battery that I found after some searching. Everything was fine and worked.

After the original battery was done charging, I hooked it up and etc. I then went to start it and, to my surprise, I could literally HEAR the gauges loading up! Like some kind of gear to hear noise or something... I then turn the key off, and they make the same noise and wind down. Not only that, after hitting rock bottom... I hear something like a relay click that clicks two times. Matching that click, all of the gauges bounce at the same time as that relay noise :/ this happens after shutting off the car, and after they hit rock bottom.

Also, when I finally started it up... the car would idle HORRIBLY. This car ran totally fine before the battery got taken out. I had to keep pressing the pedal to keep it running. I then decided to drive it to maybe work out the kinks.. and sure enough, it did. But those gauges still make the same noise!! :/

Could it be that when I only had the charger hooked up with no battery that I fried something? Or could it be a bad battery (cause I've noticed that when I start it up, the lights start dim, then go super bright as if the alternator is doing most of the work)

I've checked all my connections too... I'm just lost as to how to make this all go away!
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Old 18 Mar 2013, 07:08 am
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Join Date: Oct 2012
Posts: 195

Never, never, never, evah try to run a car off a battery charger alone. There should ALWAYS be a battery on a battery charger when it is on. When there is nothing connected to a battery charger, the voltage is not smooth. If you looked at it from an oscilloscope, it would look like it sounded. Jumpy. Yes, you fried your computer. Take it out and go to an auto parts shop and have it checked. It is behind the glove compartment in a small metal box about 6"X6"X2". Sorry for the bad news.
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