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Lexus LS Electrical Problems

14 messages,  Last post on Nov 12, 2009 at 8:16 AM

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What is this discussion about? Lexus LS 400, Lexus LS 430, Electrical, Sedan

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#1 of 14 Lexus LS400 91' Electrical Problem?! help! by cpfmonkey Sep 22, 2008 (8:34 am)
I have a Lexus LS400 from 1991. The problem is that every time i drive it somewhere and park it the battery dies. So i replaced the battery, i've done this multiple times, ive brought it to my dealer and they said there is an electrical drain from somewhere in the car. So im pretty much unable to drive this car, the only way i can make sure it doesn't die is to open up the hood when im done driving and take out CHIP #10. Then when i want to drive again i open up my hood and put chip#10 back into the engine and then it works. How can i fix this problem? its not the starter and its not the battery. many dealers have confirmed this. Please help!! Replies to this message: wwest (Mar 10, 2009 6:50 am) goldman2 (May 16, 2009 10:32 am)
#2 of 14 Re: Lexus LS400 91' Electrical Problem?! help! [cpfmonkey] by wwest Mar 10, 2009 (6:50 am)
Replying to: cpfmonkey (Sep 22, 2008 8:34 am) Trunk light.
#3 of 14 What happened? by 01is300 May 03, 2009 (6:25 pm)
I'm having a similar problem with my 01 IS. Did you solve your problem, was it the trunk? What was it?
#4 of 14 alternator by cpfmonkey May 10, 2009 (9:52 am)
yes i solved my problem it was not the trunk it was the alternator i replaced it with a new one and now no problems whatsoever Replies to this message: bmlexus (May 11, 2009 1:12 pm)
#5 of 14 Re: alternator [cpfmonkey] by bmlexus May 11, 2009 (1:12 pm)
Replying to: cpfmonkey (May 10, 2009 9:52 am) yes i solved my problem it was not the trunk it was the alternator i replaced it with a new one and now no problems whatsoever ---- How many miles in your car? Did you buy it new? Impressive, lexus are so reliable.
#6 of 14 Re: Lexus LS400 91' Electrical Problem?! help! [cpfmonkey] by goldman2 May 16, 2009 (10:32 am)
Replying to: cpfmonkey (Sep 22, 2008 8:34 am) have your alt.checked sometimes the regulator stick and makek the alt.think its charging
#7 of 14 98 LS400 by truckbme Aug 10, 2009 (2:35 am)
Have an LS400 with 300.000 plus miles, has anyone had a radio problem? Mine just started in which it doesn't get any station well & only brings in a static one & changing stations keeps it on the same static one. Makes me think the antena hook up is off or loose As 4 brief moments it comes back . Other than that, trouble free miles,19-22 city 25-28 hwy. Thx in advance for any advice/help Replies to this message: wwest (Sep 02, 2009 9:42 am)
#8 of 14 radio problem by cpfmonkey Aug 31, 2009 (6:22 pm)
nope my radio works fine.. but my LS400 only has 186,000 miles
#9 of 14 Re: 98 LS400 [truckbme] by wwest Sep 02, 2009 (9:42 am)
Replying to: truckbme (Aug 10, 2009 2:35 am) Pretty inexpensive to replace the antenna with aftermarket, ebay, even if it doesn't solve the problem.
#10 of 14 LS 400 dash board light flicks by ayakata Sep 15, 2009 (4:10 am)
Hello there, I have a Lexus 1993 and whenever I drive, the dashboard light will sometimes goes off, and comes back on. It fluctuates but stays off most of the times. It really doesn’t bother me during the day but at night. I cannot even see or know how many miles I am going most of the times at night. Please does anyone experience the same similar problem and what can be the cause or how do I fix this?   Thanks ayakata

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