Question about Cars & Trucks
Something is either draining it or you need a new battery. you can check to see if something is staying on by taking out the bulb under the hood and turning off everything else like you would normally. then remove the negative battery terminal. if it sparks then something is drawing power. start pulling fuses one at a time and retest for spark at the battery terminal. your radio my be drawing power to run the clock which is normal. once you find which circuit it is, example interior lights, you will then have to find out why it is staying on. (door switch)
Posted on Dec 09, 2014
Something is still connected after you shut off the truck and it is draining the battery. Finding it is a trial and error process of disconnecting things until you find the problem.
First, have you added anything to the truck and then after that the problem started? If so, check that first or any wiring near where whatever it is was installed. The usual issue is that a hot lead that is always on is now grounded and that is what is draining the battery.
Posted on Dec 09, 2014
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Posted on Jan 02, 2017
you have a bad cell in your battery or a major draw on electric system. I would have the battery tested first.
Posted on May 27, 2009
Something is draining the battery most likly a short somewhere in the electrical system. You will need to have it looked at by the garage to find the short A temporary or cheaper solution may be to disconnect the battery when not using the car. You can either fit a switch inside the car or physically disconnect it at the battery.
Posted on Oct 16, 2009
Testimonial: "fast response, very helpful"
I dont think the dealer knew what he was doing ,your altenator has 6 diodes inside it and the are a one way check valve for current,If one fails no light will come on because it is still charging,But will drain your battery,I hope this helps you and have a merry x mas and please dont forget to vote on this solution
Posted on Dec 19, 2009
I would try unhooking the alternator for a night. have you added an aftermarket radio? security system? something plugged into your cig lighter? dome light on? brake lights on?
Posted on Nov 05, 2010
Testimonial: "thanks ill try unhooking the altenator"
Thats probably your current drain.
See if you can find the relay and what it controls.
Pull it out and see if the current drain stops by using a test light between the battery and one of the cables.
Posted on Mar 06, 2013
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