okay ive been trying to figure out this out all day the battery light came on this morning which means theres a short somewhere or the lack of power going to the battery or the alternator is going bad. well i had the alternator changed a year ago and the battery's are new. the odd part is when i accelerate the light goes off and when i let off the throttle it comes back on. ive looked everywhere the connections are all fine cleaned the terminals still having problems any ideas?

 

Sounds like the alternators having a hard time producing the amperage required or possibly the belt is slipping. Have the alt. Checked for output off the truck to get a good starting place

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thanks yeah it was a bad alternator . it was starting to do bad had to pull it and put another one on thanks