1994 chevy 1500 power problem v8 350

1994 CHEVROLET TRUCK
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CUJODEE3110
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Just replaced alternator, has new plugs and wires, when i turn the heat on high my battery power goes down just above red, oil pressure also goes down. and when i have the heat on high it seems like it has a hard time get horsepower.lights dim, battery is good, no idea what the problem is i'd appreciate some help thanks
Nov 6, 2006 at 8:06 AM
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BUELLXB9RFB
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sounds like to me that the alt my be going out i would have that tested to see before it destroys your batery
Nov 6, 2006 at 9:49 PM
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CUJODEE3110
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it has a brand new alternator on it, wires for plugs on drivers side of the motor are sparking a little,would this cause the battery power to go down?
Nov 7, 2006 at 6:46 AM
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