Electrical system

2002 MITSUBISHI ECLIPSE
200,000 MILES • 2.4L • 4 CYL • 2WD • MANUAL
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JAMES CLEMMER
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  • 5 POSTS
I got up one morning and tried to start my car but there was no power at all as if the battery had been taken completely out. The battery is fully charged and the post are completely clean and cables are tight. I checked all the small fuses and they are all good. The inline fuse on positive cable is good.
Nov 15, 2019 at 7:40 AM
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CARADIODOC
  • ✓Experienced Mechanic
  • 34,414 POSTS
Follow the smaller battery positive wire to the under-hood fuse box and be sure that connection is clean and tight. This causes this symptom most often on all car brands.

Also follow the smaller negative wire to where it bolts to the body sheet metal and be sure that connection is tight and not rusty. It is also not uncommon for that wire to corrode up inside the insulation where you can't see it.
Nov 15, 2019 at 8:25 AM
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JAMES CLEMMER
  • MEMBER
  • 5 POSTS
I will look into those things and replace them if necessary. I thank you for your input and will get back to you if it doesn't work.
Nov 15, 2019 at 9:45 AM
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CARADIODOC
  • ✓Experienced Mechanic
  • 34,414 POSTS
Nothing to replace. Turn on the head light switch so some current is trying to flow, then watch for sparks on that connection when you wiggle with wire. Those would be proof of the bad connection.

If that isn't the solution, you'll need a test light to do some testing. I'll find the wiring diagram and figure out where to go next.
Nov 16, 2019 at 12:18 PM
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