Re: charging problem

Posted by Jon H on February 27, 2005 at 08:12:41 from (69.26.16.57):

In Reply to: charging problem posted by n8terry on February 26, 2005 at 22:05:28:

The fact that your amp guage shows a slight discharge when the accessory load is connected tells me that the battery and accessory load are correctly connected to the amp guage. The fact that your voltage reading at the battery is near 14V tells me that the alternator is charging the battery. What seems to be missing,is that the alternator output is not being indicated on the amp guage. The alternator output (BAT stud on alternator rear)must be connected to the battery in a way that bypasses the amp guage. If you check the wiring at the amp guage,it should have a single heavy wire on one termimal that connects to the battery,usually connected at the starting switch/solenoid. The other terminal on the amp guage should have 2 or more wires connected,this would be the accessory load(lights,ignition etc)This is the terminal where the alternator output wire should be connected.
With the battery alone connected to one amp guage terminal,and the accessory load and alternator output connected to the other,the amp guage can correctly indicate both accessory load drawn from the battery and charge current going into the battery.

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