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07 S65 Battery Light

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Old 04-12-2017, 01:51 PM
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07 S65 Battery Light

Hey guys

Before trying to just replace the battery and I mean the one behind the back seat. I was wondering if anyone knew where is a good place to plug up a volt meter and to test the alternator. I know there are some post under a cover next to the battery under the hood. I just don't want to go poking around in there.

I do not want to blow up the Flux Capacitor. 1.21 gigawatts is a hard source of electricity to find.

Thanks

Jim
Old 04-12-2017, 04:10 PM
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You need load testing tools and most shops will test for nothing!!
Old 04-12-2017, 06:03 PM
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Originally Posted by Plutoe
You need load testing tools and most shops will test for nothing!!

Tis true. I would like to find the the right points to just see what the alternator is putting out under normal running conditions. any ideas?
Old 04-12-2017, 06:19 PM
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There should be a large terminal in the right side fuse box area under the hood, go from there to the ground point and it should show you running voltages.

I believe you can use the workshop menu through the dash to display amperage as well, I know it shows voltage. From the main Trip/Mileage screen, key on not running, press the reset button 3 times. Should beep and switch to voltage display, can scroll through the menu. If you start it you should see the voltage jump up.
Old 04-12-2017, 10:29 PM
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Originally Posted by ItalianJoe1
There should be a large terminal in the right side fuse box area under the hood, go from there to the ground point and it should show you running voltages.

I believe you can use the workshop menu through the dash to display amperage as well, I know it shows voltage. From the main Trip/Mileage screen, key on not running, press the reset button 3 times. Should beep and switch to voltage display, can scroll through the menu. If you start it you should see the voltage jump up.

Ok so I was looking in the right place. Looks like I have a dead alternator. 0 increase In voltage. Looks like we are off to the dealer. Love my warranty no busted knuckles this weekend.

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