Jeep - Liberty :: 2009 - Starting / Electrical Current Malfunction
Aug 1, 2012
I have a 2009 Jeep Liberty Sport 4X4 with 63,000 miles. There have been issues starting the car for about a year and a half.
It all started when a key was inserted into the ignition about a year and a half ago and a click would just be heard after the key was turned to the start position. Usually it started after the key was removed and inserted again. Sometimes it would take a few tries but most of the time it would start right up on the try one.
After 10 months, the battery was replaced after the vehicle had to be jump started. Shortly after, I had a Viper 5901 remote starter installed in the vehicle by a reputable store. The issue seemed to go away and thought the issue was fixed. The vehicle now was started from the remote control 90% of the time.
The issue started to become worse about 2 months ago. It would take more than 15 tries to start and to temporarily relieve the issue; it can be started on the 3rd or 4th try by rocking the vehicle. The starter was replaced two weeks ago by a reputable auto mechanic at my request. I went to a camp the day after for a week and most of the time it just sat in the hot sun except for short errands sporadically throughout the week.
I then went on a week vacation and the car sat in the driveway. I came back and the car didn’t have any power. The battery read 1.2 volts. It was jump started and then I went to work. At the end of the work day, I tried to start the vehicle and just heard the click. After rocking the vehicle, it started right up.
I was curious to why the battery was that low and so I hooked up a meter inline from the battery terminal to the disconnected red wire. Please find the results below:
-Entire top of the fuse box was removed of fuses, relays, etc. – read 0.20A empty – it sounded like the fuse box clicked when the circuit was completed. Not quite sure what was plugged in to draw that much current.
-The fuse box was reconstructed except for a few fuses – read 0.24A
-M13 fuse was connected and current increased to 0.64A (0.40A increase from previous)M13 – 20A fuse for Cabin Compartment Node (CCN)/Wireless Control Module (WCM)/Multifunction Control Switch.
-M12 fuse was connected and current increased to 1.67A (1.03A increase from previous)M12 - 30A fuse for Radio/Amplifier
-Viper fuse was connected and current increased to 1.73A (0.06A increase from previous)
I guess it come down to a few questions:
-What could be the reasoning the vehicle does not start consistently? Is it due to the battery or something else?
-What would draw a ¼ Amp without any visible connections on the top of the fuse box?
-Why would fuse M12 take so much current without a key in the ignition?
-Anything else I should look for?
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I have an interlock installed in my 2002 Jeep Liberty Sport. I've been having electrical problems in it ever since it was installed. Prior to it being installed the jeep wasn't mine, it was my grandfathers, and he says it really wasn't driven for a while consistently but it didn't have any electrical problems before the interlock was put in. I'm not sure if this is accurate or not because I'd never driven it prior to the installation. Either way, now I believe I have a short in the electrical somewhere in the system. I'm not sure how to proceed, other then to check the fuses. The battery IS currently dead, but it wasn't.
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Now, the following day, it is doing this periodically every couple of minutes while I'm driving, whether the lights are on or not. My radio and head lights work fine. I checked all my fuses and they all seem to be AOK. I disconnected my car battery and reconnected it to see if it would reset and it still did the same thing. One other strange occurrence. The last month or so while I've been driving my battery light came on for a few minutes. I had the battery checked and it is not bad. Then last week my gas-cap warning started to randomly appear. I changed my gas cap, and guess what.....it still came on, at random.
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FYI, I recently replaced the alternator to address an unrelated issue, but it did not make a difference with this one.
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