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I have a brand new battery in but my battery level sits at…

I have a brand...

I have a brand new battery in but my battery level sits at about 11 on the cluster and won't turn on, if I boost it the truck starts and runs normal but if I turn the truck off the truck immediately won't start

Mechanic's Assistant: Have you checked the battery, particularly the terminal connections? Are they corroded?

No everything to the battery is brand new

Mechanic's Assistant: What is the model of your '11 GM?

It's a2003 GMC Sierra 1500hd with the 6 litre voretec

Mechanic's Assistant: Are you fixing your Sierra yourself? What have you tried so far?

My mechanic is fixing it but can't figure it out I replaced the starter tool out all aftermarket parts and checked all the fuses

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

I think the battery is draining or something when the key turns cause the battery on a charger reads good

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Answered in 1 minute by:
1/12/2018
Mechanic01
Mechanic01, ASE Certified Technician
Category: GMC
Satisfied Customers: 3,862
Experience: Owner at Baltic investments
Verified

Hello my name is ***** ***** welcome to just answers! I will be assisting you with all of your vehicle questions today. Give me one moment while I review your question and come back with a answer. Please be aware I do not know your skill level or abilities so I will be asking a lot of questions and in a lot of cases we will respond to each other quite a lot before we find a solution. As far as phone calls are concerned that is the system prompting you, not me, and they do cost more money, I prefer text but in some cases a phone call is required. If I don’t answer right away or quickly in conversation I am helping another customer or have stepped out for a moment and will respond as soon as I can. Ok lets get started!

You have a bad connection somewhere or a bad wire, I would check both of these and resistance on your main positive and negative lines

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Customer reply replied 7 months ago
Did this already

ok what voltage are you getting at the main fuse ?

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Customer reply replied 7 months ago
Between 12-13

if thats reading 13 your gauge should be at 13 somethings not adding up here

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Customer reply replied 7 months ago
It's not though that's the confusing part, as soon as I hook up a battery to boost it the gauge jumps up

can you send me a picture of your battery please

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Customer reply replied 7 months ago
I will tomorrow it's too dark out now is there a time limit for this convo

no we have all the time in the world and it dosent cost any more for days extended

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Customer reply replied 7 months ago
Ok is there any other info I could give you tomorrow picture wise or info

thats about if for now, I think I just need to see some things to figure this out

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Customer reply replied 7 months ago
I can take a video of me trying to start it

that would great, you will have to upload it to youtube so I can view it though

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Customer reply replied 7 months ago
Ok sounds good I'll do that tomorrow

sweet! good luck with everything

Mechanic01
Mechanic01, ASE Certified Technician
Category: GMC
Satisfied Customers: 3,862
Experience: Owner at Baltic investments
Verified
Mechanic01 and 87 other GMC Specialists are ready to help you
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Please let me know if you have any additional questions or if you want to discuss this further. And please take a moment and kindly click a positive rating (preferably 5 Star/Excellent) to credit for the time & effort put by me in answering your automotive question, and this is the only way I will be credited for my service to you. Rating me now does not close your question and if you have follow-up or additional questions you can ask them after the rating too! Also if you would like further assistance in the future you can favorite me as well.
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