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Post by kingcoupa on Jan 25, 2007 21:19:07 GMT -5
i need help pinpointing the reason that my car keeps draining my battery. the battery has been relocated to the rear and i just installed a battery relocation kit, and this helps the car stay running longer than the way it was rigged up before, but it's still draining my new optima battery. i even re-charged the battery and the highest charge i get is the line right about the last line on the battery guage. i need this fixed so i can go out and hang out with you fellow mustang guys and girls. a friend of mine suggested i need to get a new alternator, a 3g one ( i would need help installing this though), but after that i dont know what else to do.
also the water and oil gauges, both aftermarket autometer ones, either work sometimes, or go off the scale. what could be the problem here. thanks
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Post by mb86lx on Jan 25, 2007 22:25:09 GMT -5
yeah sounds like electrical problem get sum one to lookat it----make sure ya long battery cables arent grounding out and might wanna just simply rewire ya aftermarket gauges
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Post by fordtech on Nov 19, 2007 15:21:23 GMT -5
The first thing I would do is see if you have a draw. To do this make sure all your accessories are turned off (headlights, stereo system etc). Next get a DVOM (multimeter) and select the Highest setting in DC Amps. Remove the positive cable from the battery and attach one terminal of the multimeter to the battery cable. Attach the other terminal of the multimeter to the battery post. What you are doing is making the multimeter measuring the current being consumed (meter hooked in series). Ford recommends no more then 50 milliamps from factory accessories, anymore and there could be excessive draw. Just remember that aftermarket accessories (stereos, remote starts, phones, chargers can increase the draw and should be disconnected to prevent misdiagnosis. Also remember that with the new vehicles you should at least wait up to one hour to allow all modules to "go to sleep". If you don't the readings may mislead you. After the hour is up and the reading is still high, you should start pulling fuses one at a time in the BJB (battery junction box) which is located under the hood. This will start to isolate the circuit that causing the draw. You may end up also having to pull fuses from the CJB(central junction box) fuse panel under the dash. Battery draw concerns can be sometimes very difficult. Good Luck!!!
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stampede
5.0 Member
Keep the Stampede Moving
Posts: 105
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Post by stampede on Nov 19, 2007 22:13:17 GMT -5
how do you have the alt. wire running??
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