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Could Recent Add-Ons cause Battery Drain

1030 Views 7 Replies 4 Participants Last post by  Montag
My Titan battery dies after the truck is left to sit for three days. This problem started a few months ago. I replaced the battery, but the problem persists.

I recently added a Tailgate light bar that plugs into my tow-light harness and splices into one of the tail lights. I also installed OEM fog-lights and the accompanying control stem that replaces the one that came with the truck.

Before that, I installed an Amplifier and a 820 Pioneer Stereo. However, I didn't have any problems with the truck until a few months ago, I installed the stereo over a year ago. I heard rumors that the 820 causes battery drain if not turned off before you shut down the car, but again, I didn't have any problems initially.

Is it possible the stereo amp, or stereo started causing problems afterward? The amp is turned on remotely by the stereo, but is wired directly to the battery. Is it possible the light bar or fog lights could be causing the problems?

I took the truck to a shade tree mechanic and he said the car wasn't drawing too many amps while turned off, but I'm not sure he was full competent with this type of problem.

Any help would be greatly appreciated! Thanks...
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Even a new battery can have a bad cell. Still doesn't hurt to have it load tested at your local parts store.
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