Battery drain

[cory5517]

Every morning I go out to my truck, cold or warm weather, and sounds like my batteries are drained. Anybody have a diagram for battery cables? Just had batteries and alternator tested and all turned out good. What could be my problem?

[Tj Krawler]

How did they test the batteries? Did they use a quality load tester with the batteries separate? A lot of places will only load them to 100 amps... and that's not anywhere near enough.

[gomer pyle]

^x2
also, i have read where the stock radio will do this

[cory5517]

Aftermarket radio but I did notice he didn't test the batteries separate

[Tj Krawler]

Originally Posted by cory5517

Aftermarket radio but I did notice he didn't test the batteries separate

That's a problem. Get them retested. They need to have the cables off the batteries for a load test. (at least when there is more than 1 battery) Even if they tested them at 4-500 amps, it's pulling from both batteries and isn't going to load them enough. I'd ask them how much of a load they're putting on the battery. Depending on the battery rating, it should be a few hundred amps.

[cory5517]

Ill definitely have them retested unhooked