Question about 1992 Lexus Sc 400

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Lexus sc400 drains battery when sitting

When you diconnect battery and replace leads positive lead sparks when reconnected also if you connect the positive first the earth sparks when connected

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 47 Answers

SOURCE: 93 Lexus GS300 knock sensor electrical wiring?

knock sensor are atached to the short block of the engine normaly at the cylinder #1 side when the car is six cylinders

Posted on Sep 17, 2009

  • 2 Answers

SOURCE: I need instructions for replacement of 1995 lexus

http://www.lexls.com/tutorials/ignition/sparkplugs.html

This should help, I did mine yesterday, it is a piece of cake... just make sure you have a good spark plug socket that fits VERY snugly on the extension,and make sure you have a LONG extension for the socket... I have a 10 inch one, and I wish I used one that was longer for the back plugs on each side... Oh, and be careful to not crack the plugs in there by over tightening them... I know that it says its for an LS400 but they both have 1UZ-FE engines so its the same thing...

And make sure to spend the extra money for the Good Plugs and Wires... I got NKG's for my '93 SC400... well worth it...

Posted on Oct 05, 2009

  • 73 Answers

SOURCE: Lexus sc400 electrical problem

the computer is bad and also these cars are known for the insturment clusters to go bad along with the computer. get them both fixed and it will solve your problem.

Posted on Oct 12, 2009

01fordeb
  • 1033 Answers

SOURCE: I have a 1995 Lexus SC400 and it has a new battery

Check your connections to to the battery and to to voltage regulator which is where one of the red cables from the battery leads to. Take it to your closest Advance auto to check the battery and alternator for free.

Posted on Jan 01, 2010

  • 14036 Answers

SOURCE: where is the fuel filter on a 93 sc400

FUEL FILTER IS LOCATED UNDER THE VECHICLE.ON THE DRIVER SIDE.BEFORE THE REAR AXLE.

Posted on Apr 18, 2010

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1 Answer

Battery drains while car is off


Disconnect battery lead switch everthing off then touch the disconnected lead off battery pole you should not get a spark
if you do check to see what is still on make sure you have radio codesbefore diconnecting battery

Dec 21, 2015 | Cars & Trucks

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How do you test an ignition coil


Remove the lead the spark plug, and then remove the spark plug, connect the spark plug back to the lead. Remove the positive and negative wires from the coil. Replace them with a negative and positive direct to the battery, but don't connect the positive to the coil. Hold the spark plug to a grounded part of the car, touch the positive lead to the coil, when you RELEASE the wire from the coil, you get a spark.

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1 Answer

93 volvo 940


Check the condition of the following:
1) Battery voltage (should be over 12.5 volts.2) Spark plugs, leads and coil3) Air filter4) Fuel filter
If battery voltage is low, then using a ammeter, connect in series between battery positive lead and terminal. With vehicle off and all systems off it should be no more than around 0.03 amps. If it is, then pull fuses until this drops to normal. The fuse you pull which returns it to normal will indicate which system is affected and pulling too much power from the battery.If all is normal, then replace battery.

Nov 14, 2012 | Cars & Trucks

1 Answer

I have a 1995 Lexus SC400 and it has a new battery in it, and now the battery light has come on, I don't have a manual


Check your connections to to the battery and to to voltage regulator which is where one of the red cables from the battery leads to. Take it to your closest Advance auto to check the battery and alternator for free.

Jan 01, 2010 | 1995 Lexus LS 400

1 Answer

Constant Power wire draining battery HELP!


Okay, I think I have it. The red and yellow wire into the deck need to be connected to two different power sources.

The red wire should only be hot when the accessory switch is on. The yellow wire is for constant power to maintain memory in the deck.

Connect the red wire to a source which is only hot when the ignition switch is in accessory position -- that should solve the problem.

May 06, 2009 | 1984 Lincoln Town Car

1 Answer

Hyundai Accent 2000


hi the correct sequence for disconnecting any cars battery is always the earth lead first ! then the positive lead then to reconnect ? positive first then earth if you wish to ?? just disconnect earth lead for o/night this will be safe hope this helps ?

Dec 11, 2008 | 2000 Hyundai Accent

2 Answers

Why did my car try to start on its own


Assuming that the solenoid was installed correctly I have to say that you purchased a faulty solenoid.

Dec 05, 2008 | 1988 Ford Thunderbird

1 Answer

Hooking up wires to battery, solenoid, altornater and starter


hi from the uk if you look at startermotor solenoid you will see two large threaded terminals with nuts? and a third small terminal either spade or round terminal ok? now you should see thet one of large terminals already has a metal or braides strap secured to it and the actual startermotor body? LEAVE THIS ALONE the other large terminal is the one you fit the positive+ lead to from battery also there should be another lead to also attach to same terminal this one supplies power for vehicles electrics etc ensure you secure these with nut ok? now the third small spade or post terminal you will hav a thin wire nearby ?this attaches to thisterminal on its own on solenoid this wire is the one that activates starter when ignition is turned to key start position ok? as for interior light not working ? try again when you complete the above also make sure bulb is ok? ps! before you reconnect starter wires ensure the earth/ground lead is disconnected from battery and when reconnecting battery connect positive lead first then the earth lead or if you try other way you will have sparking from pos lead as you try connecting to battery hope this info is clear instructios for you to follow and wish you luck best wishes from england

Nov 26, 2008 | 1991 Ford F150

1 Answer

Alarm system


see the boot switch wire lead to alarm unite and unplug wires from it, or diconnect the fuesed wire to positive battery.

Nov 16, 2008 | 1993 Saab 900

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