2003 Toyota Tundra Battery Drain

I cant see any reason for the draindischarge.

2003 toyota tundra battery drain. Installed a new battery three weeks ago. Doesnt happen evey night and sometimes goes for 3 or 4 weeks before going dead. And a battery will never charge back to 100.

It doesnt take much to kill a battery in 3-5 days. I brought it to the dealer 3 times to have them look at the problem. Differential and Transmission Drain Plug Crush Washers Gaskets Fits for Toyota 4runner Tacoma Tundra FJ cruiser Land Cruiser Replacement for the part 12157-10010 90430-24003 90430-18008.

2003 Tundra Limited 4x4 Trd Supercharger So after hooking my battery back up and disconnecting the radio the battery stilled drained down to 1219V. Will go dead after 3 or 4 days last time I charged it I noticed a mid-pitch squeal coming from the engine with the keys off and out of the ignition. How to fix battery drain in your car DIY with Scotty Kilmer.

The only thing you can to is run an ammeter in series with the positive terminal of the battery with the engine and all accessories off. Midland MicroMobile 15W GMRS Two-Way Radio with Integrated Control Microphone. That is a tough problem to solve as there are many items connected to the main 12V rail and any one of them can be causing the slow drain.

The dealer can not find anything wrong but dont know how much they are checking either. The battery is not holding a charge after a week or so of sitting idle. All electrical items seems to function okay.

Ive been chasing a battery drain for almost six months now. Ive had the battery and alternator tested multiples times and both always test good. My 01 Exploder had the OEM battery for 6 years and at the end of that time it got just like you state.