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Electrical issues - need help diagnosing
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AZRich
AZ Pinstriped
AZ Pinstriped


Joined: Feb 10, 2010
Posts: 158
Location: Ahwatukee

PostPosted: Mon Feb 27, 2017 8:01 pm    Post subject: Electrical issues - need help diagnosing Reply with quote

Hey everyone, I ran into a strange electrical issue today and I'm not sure what to make of it. When I got in this morning, the trip meters and clock were reset as if I unplugged the battery. I reset the time and backed out of the driveway, noticing that my reverse lights didn't come on. Drove to work with no issues, headlights on (more on that in a second). got to work and the key fob would not lock the doors. Locked the doors manually thinking maybe it's just a key fob battery issue. After work, I get in the truck and it starts right up. Trip meter and clock are reset again just like this morning. Then I go to turn the headlights off that were on when I went to work. As soon as I turn the headlights off, the clock goes completely blank, no power. I turn the lights on and the clock comes back but very dim, even dimmer than normal night time operation. Yesterday I took my headliner down to put sound dampening material on the roof, but I didn't touch anything electrical except disconnecting the dome lights. I can't imagine that would have any effect on anything. Could it just be a dying battery? It seems like a lot of unrelated items but the truck starts right up and runs great. Any ideas??
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glideraz
Baja Champ
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Joined: Jan 18, 2010
Posts: 3852
Location: avondale

PostPosted: Mon Feb 27, 2017 9:02 pm    Post subject: Re: Electrical issues - need help diagnosing Reply with quote

Check battery and also charging

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Homedad
Master Wheeler
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Joined: Nov 29, 2007
Posts: 9241

PostPosted: Mon Feb 27, 2017 11:47 pm    Post subject: Re: Electrical issues - need help diagnosing Reply with quote

Did you reconnect the dome light?

Pinch a wire?

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AZRich
AZ Pinstriped
AZ Pinstriped


Joined: Feb 10, 2010
Posts: 158
Location: Ahwatukee

PostPosted: Tue Feb 28, 2017 9:31 am    Post subject: Re: Electrical issues - need help diagnosing Reply with quote

Ok I'll get the battery checked. I really hope it's something that simple.

I did reconnect the dome light and I don't believe I pinched any wires. But if I did, would that wire affect just the clock, odometer, reverse lights and my remote key locks?
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toyo22r
Trail Runner
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Joined: Nov 07, 2009
Posts: 542
Location: Goodyear

PostPosted: Tue Feb 28, 2017 12:15 pm    Post subject: Re: Electrical issues - need help diagnosing Reply with quote

Start with the simple checks first. Did you check all fuses in both fuse boxes?

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AZRich
AZ Pinstriped
AZ Pinstriped


Joined: Feb 10, 2010
Posts: 158
Location: Ahwatukee

PostPosted: Tue Feb 28, 2017 1:31 pm    Post subject: Re: Electrical issues - need help diagnosing Reply with quote

No, I haven't checked either fuse box. Hopefully I can do that tonight. That would be nice if it was just a couple of burned out fuses. But do I need to worry about what caused them to blow so it doesn't happen again right when I turn the car on? I guess if it does then I definitely know where the problem lies huh?
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calichaos
Obstacle Crusher
Obstacle Crusher


Joined: Feb 08, 2011
Posts: 1797

PostPosted: Tue Feb 28, 2017 2:27 pm    Post subject: Re: Electrical issues - need help diagnosing Reply with quote

if you do find a bad fuse... possible answer to a mystery fuse gone bad...

fuse fatigue
electronics.stackexcha...-a-concern

www.matec-conferences...._04024.pdf

plenty of reading on the topic.
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AZRich
AZ Pinstriped
AZ Pinstriped


Joined: Feb 10, 2010
Posts: 158
Location: Ahwatukee

PostPosted: Tue Feb 28, 2017 4:08 pm    Post subject: Re: Electrical issues - need help diagnosing Reply with quote

Ok I just checked both fuse boxes and no signs of a burned out fuse.
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Jimbolio
Master Wheeler
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Joined: Oct 19, 2008
Posts: 11171
Location: Tucson

PostPosted: Tue Feb 28, 2017 5:03 pm    Post subject: Re: Electrical issues - need help diagnosing Reply with quote

When I had all my alternator trouble, it turned out to be that 120 amp fuse in the engine Fusebox. Didn't look burned out, but if I shined a flashlight way in there you could see the melted element. Mine was caused by a shorted brake light circuit. BUt I had way wierder issues, like no spedo, christmas tree lights on the dash, radio station loss, etc. But it still ran and drove.

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AZRich
AZ Pinstriped
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Joined: Feb 10, 2010
Posts: 158
Location: Ahwatukee

PostPosted: Tue Feb 28, 2017 5:50 pm    Post subject: Re: Electrical issues - need help diagnosing Reply with quote

Ok I am a dumbass. It was a blown fuse. Just a little 10A fuse for the dome light caused all of those issues. I never would have guessed so much was controlled by the dome light! Thanks everyone for the suggestions and the help! I should have thoroughly checked before bothering everyone with this.
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Jimbolio
Master Wheeler
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Joined: Oct 19, 2008
Posts: 11171
Location: Tucson

PostPosted: Tue Feb 28, 2017 7:32 pm    Post subject: Re: Electrical issues - need help diagnosing Reply with quote

Well done sir

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glideraz
Baja Champ
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Joined: Jan 18, 2010
Posts: 3852
Location: avondale

PostPosted: Tue Feb 28, 2017 8:47 pm    Post subject: Re: Electrical issues - need help diagnosing Reply with quote

No bother at all.... its always the little shit

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TOY4WD
Trail Runner
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Joined: Feb 15, 2013
Posts: 385
Location: Mesa

PostPosted: Tue Feb 28, 2017 9:09 pm    Post subject: Re: Electrical issues - need help diagnosing Reply with quote

glideraz wrote:
No bother at all.... its always the little shit

Yeap! One little turd in the punch bowl ruins the whole party.
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AZRich
AZ Pinstriped
AZ Pinstriped


Joined: Feb 10, 2010
Posts: 158
Location: Ahwatukee

PostPosted: Tue Feb 28, 2017 9:49 pm    Post subject: Re: Electrical issues - need help diagnosing Reply with quote

TOY4WD wrote:
glideraz wrote:
No bother at all.... its always the little shit

Yeap! One little turd in the punch bowl ruins the whole party.

Lol! I like that. Sums it up perfectly
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