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2001 Chevy Blazer Sudden flashes/black outs

Tiny
KLAGER
  • MEMBER
  • 2001 CHEVROLET BLAZER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 146,000 MILES
I have been tracing this problem for a long time now. New battery, new alternator cleaned major connections but still a problem. Starts, all gauges flash and then dies, nothing, blacks out. Wait, wiggle battery positve, comes back on and then starts like nothing is wrong. Cleaned connections on +, tighen terminal fine for a while then does it again. Sometiimes flashes gauges when driving on a bumpy dirt road.

Any ideas where this loose connection is?
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Monday, May 17th, 2010 AT 12:09 PM

1 Reply

Tiny
SWILLIAMS
  • MECHANIC
  • 597 POSTS
Replace the battery cables. Check the main power connection at the under hood box as well.
The cables get corroded inside the insulation and cause intermittent connections.
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Tuesday, May 25th, 2010 AT 1:46 PM

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