1995 Geo Prizm Lights Dim Intermittently

GEO PRIZM
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SG1981
  • MEMBER
  • 1 POST
My 95 Prism has an electrical problem. It can go from full charge and everything working at top performance to 1/2 power or less. My lights will go dim for a few minutes then all of a sudden they are full brightness again... I have changed out the battery and the same thing happens... I put my old battery in my Toyota and it works great. I have an auto start, I was wondering that that could be a problem... Or do you know what the problem could be? thnx
Feb 21, 2006 at 11:33 AM
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PEPPERMRJ
  • ✓Experienced Mechanic
  • 1,158 POSTS
I would start by checking the connections for the battery and alternator for corrosion and tightness. Also have the alternator tested. A lot of large automotive chains will do this for free.
Good hunting and let us know. :)
Feb 23, 2006 at 6:13 AM
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Suggested Repair

Check the battery and alternator connections for corrosion and tightness, and have the alternator tested.

Conversation Summary

The owner of a 1995 Geo Prizm reports intermittent electrical power loss, with lights dimming for a few minutes and then returning to full brightness. A battery swap did not fix it, and the old battery works fine in another vehicle. The owner also has an auto-start system and wonders if it is related. The expert recommends checking battery and alternator connections for corrosion and tightness and having the alternator tested.

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