MY LEXUS SC300 HAVING PROBLEMS WHEN I DEPRESS ON...

  • Tiny
  • Anonymous
  • 1994 LEXUS SC 300
  • 145,000 MILES

My Lexus sc300 having problems when I depress on the breaks all my electrical system shuts down and come back on. This problem only accrues when I depress on breaks. Please tell me what is causing this shut down to system.

Thursday, November 1st, 2012 AT 3:00 AM

2 Replies

  • Tiny
  • KHLow2008
  • EXPERT
  • 41,984 POSTS

It could be a bad ground somewhere causing the problem. If problem occurs only on hard braking, something could be loose and the braking is causing wires to sway and loose contact or a bare wire is being intermittently shorted due to the movement.

Not an easy job to find the source so I would suggest checking the battery terminals etc for clean and tight connections for a start.

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Thursday, November 1st, 2012 AT 12:24 PM
  • Tiny
  • KHLow2008
  • EXPERT
  • 41,984 POSTS

Ensure wires are not dangling near brake pedal and being affected by the pedal during braking.

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Thursday, November 1st, 2012 AT 12:24 PM

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