Question about 2008 Chrysler 300
You obviously need to have charging system tested, as well as an amp draw test when engine is off. Check, clean and tighten all connections, and don't forget any extra ground straps from engine to body, frame to engine etc.
If all checks out good, and you don't want to pay someone to test for current draw when engine off, you can do it yourself with a 12volt DC test light ( about $5 ) if your willing to spend the time. Make sure if your stereo has anti-theft code, that you have it ready for after to reprogram radio/stereo.
Now remove positive terminal connection on battery. Your vehicle may/should have a connection under hood on passenger side, if battery is located in front of passenger front wheel. The cable going down to battery is the one you need to disconnect carefully so as not to touch against metal on body. If easier to get connection off at battery, do so. What needs to happen is that you need to connect the test light between battery connection, and battery. One end to battery and other to main cable that connects to battery. When there is a current draw, the test light will be illuminated. The brighter the light, the bigger the draw. Now you need to watch test light, or have someone watch it for you and start pulling fuses. If you pull a fuse and light doesn't change, put it back in. If light changes (dims) then you've found a circuit causing a draw. Big change in light, or light goes out, bigger draw, and likely source of problem. Keep in mind that radio/stereo has small draw due to memory storage. What I usually do is pull it and leave it out while testing. You probably have a fuse/relay box under hood on drivers side, so start there. I usually pull door locks, power windows, anti-theft, stereo amp, power trunk etc first, as they can stick and cause a good draw, as well as any fuses for 12 volt power center, such as sockets to plug in cell phones etc. Then go to fuse panel inside if not found. Once light goes out, or gets very dim, you've isolated the circuit causing the problem and can correct from there. . Good Luck
Posted on Apr 09, 2011
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Posted on Jan 02, 2017
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