Question about 1992 Lexus Sc 400
When you diconnect battery and replace leads positive lead sparks when reconnected also if you connect the positive first the earth sparks when connected
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Posted on Jan 02, 2017
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
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
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
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