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1991 Lexus LS 400 electrical

Tiny
JAMESC91
  • MEMBER
  • 1991 LEXUS LS 400
  • 185,535 MILES
Nothing electronic is working. I have replaced the igniton switch and igniton relay. I dont know if its the computer? I just need to know if I have to replace the computer or if there is a quick fix I can do.
Monday, September 16th, 2013 AT 11:00 AM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,873 POSTS
Check if you have a smaller positive battery wire that bolts to an under-hood fuse box. If you do, be sure that connection is clean and tight. Also follow the smaller negative wire to where it bolts to the body and be sure that is tight.
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Monday, September 16th, 2013 AT 11:38 AM

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