LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

Parasitic drain while parked - solved

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Old 01-15-17, 07:29 PM
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TheDoctor
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Default Parasitic drain while parked - solved

My 91 ls400 had a trunk light staying on with the trunk closed, due to a faulty CD player providing a ground for the light. Apparently, the cd player needs to know when the trunk is open, I suppose to prepare for removal of the disk cartridge. What ever they were thinking 25 years ago I can't say. Unplugging it corrected the issue, but I opted to physically remove it as well. I was shocked at how much the beast weighs. No wonder this car weighs so much. Even though they used a lot of aluminum for the time. If I had removed this much unneeded weight from my MR2 I would throw a party.
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CELSI0R (01-15-17)
Old 01-16-17, 11:14 AM
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Legender
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Thanks for sharing that info and congrats on the find. They can be trick to find, but I'm sure it was in the last place you checked.
Old 02-18-17, 12:22 PM
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TheDoctor
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Lol, it's always in the last place you check, because you stop looking when you find it...
Old 02-18-17, 12:51 PM
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If this is the pristine LS, I really don't know why you would remove the CD player. Its just another thing that can add to the value of the car in the future.
Old 02-19-17, 08:01 AM
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Scooter72
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I used to have a 92 that developed an overnight drain. It drove me crazy, and I was thinking about putting a disconnect on, but that makes the car forget so many things. One day after pulling a fuse at a time, I narrowed it down to a minor circuit but still couldn't see anything on. I finally turned off all the lights in the shop, and found the passenger visor mirror light was on, and you can barely see it when it's closed. I just had to work the switch a little until it started turning off again. Simple fix, but not so easy to find. So if you have a 1st-gen, especially one with lower miles, you can check those kinds of things that have power all the time.
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