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battery light comes on

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Old Nov 21, 2008 | 11:09 PM
  #1  
forder1000's Avatar
forder1000
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battery light comes on

Ocassionally, when the rpm gets to 2500 or the tranny down shifts to pass, the battery light comes on until the tranny shifts or I let off the throttle. If I have the truck in park and rev the engine past 2500 the light will come on
Could it be a worn tensioner or possible an alternator problem. The battery gauge doesn't drop when light comes on either. Trucks has 4.6 with auto tranny
 
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Old Nov 22, 2008 | 12:44 AM
  #2  
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phil6608
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From: Stanton DE
Sounds like the alternator may be going bad.
 
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