Question about 2007 GMC Sierra 2500HD

1 Answer

Battery seems to be low it has two batteries witch one do you hook up to

Posted by on

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 10 achievements.


    An expert that got 5 achievements.


    An expert whose answer got voted for 500 times.

  • GMC Master
  • 2,620 Answers

Which ever one that is wired to the starter which in your case would be the pass side of truck.

Posted on Apr 05, 2011

1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

I disconected the battery for awhile to replace the ground cable when i hooked the battery back up it seems the idle is off and it is now stalling at low rpms

Computer needs to re-learn. it will take a few cycles before it goes back to normal operation. Drive it around, up & down hills, hi & low rpm & speeds, shut it down for a bit and start over again. Let the car cool down a bit before repeating. In the future, if u have to remove a battery cable, make or buy a gadget that connects a 9v battery to your cigarette lighter to hold onto the info...

Jan 10, 2011 | 1990 BMW 5 Series

1 Answer

I have a 2000 neon my brights will work but no low beams how can I bypass it and hook up a toggle switch please help

Hello that would be allot of work and costly you might consider my solution replacement of your headlight relay witch will be located in your fuse relay cluster behind your battery under your engine hood compartment.Neon's are known for this i have two Neon's my self a 95 sport as well as a 1997 both the same head lamp relays and from assisting others this is common.

Jan 01, 2011 | 2000 Dodge Neon

1 Answer


possibly faulty airmatic compressor witch is located under the front right bulkhead, It could do short circuit that could be the reason battery get damaged because of it getting high amps all the time when it's working it can harm to battery check airmatic compressor now it should be dead,

Dec 15, 2010 | Mercedes-Benz 500-Class Cars & Trucks

1 Answer

Battery gauge reads low sometimes; will not start

Hello. I realize that you have checked all the connections per your ingition system. To be frank with you, you've checked everything I would have checked. I believe you may have either a dead cell in your battery or a short in it. If I were you, I'd hook-up a relative/friends battery and see if that works before I bought one. Your charging system seems to be alright, and the battery is the only other link in that chain. Let me know, I'll think on it more just in case. Thanks for trusting fixya to help get you going!

Jun 28, 2010 | 1990 Volvo 740

2 Answers

How do you hook up booster cables to the battery of a 1999 Breeze. I notice that there is a negative mount on the frame, but I can't seem to locate a metal surface to put the positive cable on. Where is...

Along with the solution provided above be sure to hook up the positive cable Red to the positive cable on the car to be jumped and the car used to jump the battery both cars off. Next on the car with the dead battery hook up the negative cable to the frame of the car if it is a liquid or lead acid battery, next hook up the negative cable to the car that will jump the other dead car. Warning an arc can cause an explosion if there is gas coming from either battery so when hooking up the negative cable be sure to clamp the negative cable on the frame. Next start the car and rev it to about 800 RPMs hold it to 800 RPMS for about 5 minute's before try starting the other car, this will allow the other battery to charge up and will help start the car. If you have small jumper cables like #6 copper give it about ten minutes to charge before try starting or you could damage the alternator of the charging car. once the time has elapsed try starting the other car, push throttle down once while cranking it over and hold pedal half way till it starts, do not crank for more than 30 seconds if it does not start wait for the battery to charge up again to try starting. with low voltage condition if you crank the car and it slows down it can damage the computer by drawing to much amperage caused by low voltage.

Dec 18, 2009 | 1999 Plymouth Breeze

1 Answer

Car won't start. Replaced battery. worked 3 days. They said it was the alternator. REplaced with new. worked another 4 days. had it check with advance auto said battery good, starter cranking normal....

if there is no charging then its back to the alternator or the way its hooked up? did you recharge your flat battery with a mains charger after it went flat the first time? as no alternator will charge a battery from flat to fully charged,,,,even if you drove around the world none stop! the new alternator may have given up working becouse you overloaded the voltage regulator trying to recharge a flat battery witch would mean it was very week to start with?

Nov 15, 2009 | Pontiac GTO Cars & Trucks

1 Answer

Batteries won't charge while wired to truck

Hi, seems that your alternator diodes are faulty.
You can check this by disconnecting the radio & switching off all interior lights etc.
Then remove one battery lead.
Then get an amp meter and connect it between the battery & the removed lead.
If you get a reading the alternator is drawing current , hence faulty diodes.
The alternator will still charge the battery when the engine is going but then discharges when stopped.
Also check your batteries with a hydrometer by checking the battery acid in each cell as you could have a dodgey cell in them.

Nov 28, 2008 | 2003 Ford F250 Super Duty Crew Cab

Not finding what you are looking for?
2007 GMC Sierra 2500HD Logo

Related Topics:

29 people viewed this question

Ask a Question

Usually answered in minutes!

Top GMC Experts


Level 3 Expert

75807 Answers


Level 3 Expert

1311 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22133 Answers

Are you a GMC Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides