engine stalls when on turn on the heater and rear defroster

1996 GEO PRIZM
179,000 MILES
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BIANCAJUSTIN
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  • 1 POST
MY Geo turns off after being on 30 mins. when heater, rear defroster radio are on. Will crank but will only turn on with a jump? It will restart quickly with a jump but get it home turn it off but wont restart with out a jump.
Nov 30, 2011 at 5:43 PM
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RIVERMIKERAT
  • ✓ASE Certified Mechanic
  • 6,110 POSTS
  • ASE Certified Mechanic
Take it to a shop that does free electrical testing. Have them test the starter draw, alternator output, and battery capacity.
Nov 30, 2011 at 5:46 PM
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