View Single Post
  #5  
Old 04-08-2006, 04:45 PM
MkDiego MkDiego is offline
AF Newbie
Thread starter
 
Join Date: Apr 2006
Posts: 4
Thanks: 0
Thanked 0 Times in 0 Posts
Re: 12.75v draw on battery-can not find problem

Quote:
Originally Posted by rodeo02
Taking an inline voltage reading like that doesn't mean much. Measuing a current (amps) means something is pulling on the battery. This could be just a weak/bad battery or an alternator that is not maintaining a charge. If you are not seeing ~14VDC across the battery terminals on an idling truck, something is up with either the battery or alternator.

Joel
OK I started up the thing, and at idle with a meter across the terminals the reading was +14.67v.
While it was running I also pulled the positive cable off the battery and the thing kept running without a problem.

Last edited by MkDiego; 04-08-2006 at 05:44 PM.
Reply With Quote