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4th Gen T4Rs
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https://www.toyota-4runner.org/4th-gen-t4rs/)
| evan1242 |
10-08-2020 01:38 PM |
07 SR5 Dead battery after 1 day
Hey guys so I have a 2007 SR5 that is having a dead battery after one day of sitting. I have narrowed it down to this fuse in the engine bay (see pics)
Do you guys have any idea what this could be? Maybe an alternator? I never seem to get more than 13.5 volts charging even when driving.
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| importman |
10-08-2020 07:03 PM |
Quote:
Originally Posted by evan1242
(Post 3553015)
Hey guys so I have a 2007 SR5 that is having a dead battery after one day of sitting. I have narrowed it down to this fuse in the engine bay (see pics)
Do you guys have any idea what this could be? Maybe an alternator? I never seem to get more than 13.5 volts charging even when driving.
Imgur: The magic of the Internet
|
I'm afraid you've got to dig a little deeper. That's a main fuse or what I've always referred to as a fusible link, even though technically it's not. It supplies power to multiple circuits. I found a fuse box diagram and it appears to be fuse #40. This is what it supplies power to: 40 AM1 50 All components in "ACC", "CIG", "IGl", "ECU-IG", "FR WIP-WSH", "RR WIP", "RR-WSH", "4WD", and "STA" fuses.
If you want to look at the diagram it's here: Fuse Box Diagram Toyota 4Runner (N210; 2003-2009)
Hope the link works, and I hope this helps a little. Good luck.
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| evan1242 |
10-09-2020 07:42 AM |
Quote:
Originally Posted by importman
(Post 3553117)
I'm afraid you've got to dig a little deeper. That's a main fuse or what I've always referred to as a fusible link, even though technically it's not. It supplies power to multiple circuits. I found a fuse box diagram and it appears to be fuse #40. This is what it supplies power to: 40 AM1 50 All components in "ACC", "CIG", "IGl", "ECU-IG", "FR WIP-WSH", "RR WIP", "RR-WSH", "4WD", and "STA" fuses.
If you want to look at the diagram it's here: Fuse Box Diagram Toyota 4Runner (N210; 2003-2009)
Hope the link works, and I hope this helps a little. Good luck.
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Awesome! Thank you for that link. That will definitely help me narrow it down some more.
I’ll report back with what I find next.
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| randy88fj62 |
10-09-2020 01:06 PM |
My scangauge II shows my voltage while driving as 13.8-14.0 volts. When I turn the truck off it rests at 12.8 volts.
If your battery is dying after one day then you have a power drain or your alternator is dead. What does your battery voltage show at idle with the truck on?
Have you done any electrical mods like adding a dual usb port in your center console?
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| DblZeta |
10-12-2020 12:35 AM |
It could be a bad battery. Check each cell with a hydrometer. If one cell is lower than the rest that cell is bad. Each cell is worth 2.1 volts. A battery with a bad cell will read 10.5 volts on a voltmeter. Most alternators wont make up the 2 volts while running. The bad cell will drain the battery like a light bulb that wont shut off. A load test on the battery will show a bad cell, the bad cell will boil furiously while on load.
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| rwh963 |
10-12-2020 02:03 PM |
my vote is alternator.
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| Drcoffee |
10-12-2020 02:07 PM |
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