Why does my GMC Sierra not jump start?
Get the vehicles close enough so the jumper cables can reach, but be sure the vehicles are not touching each other. If they are, it could cause an unwanted ground connection. You would not be able to start your vehicle, and the bad grounding could damage the electrical systems.
Can a car battery be too dead to jump start?
There is probably nothing worse than a dead car battery amid your possessions—at least, among your battery items, anyway. YES, a car battery can get so dead it will not receive a jump start anymore.
What to do if your GMC Sierra has a bad battery?
1. Disconnect the black negative (−) cable from the vehicle that had the bad battery. 2. Disconnect the black negative (−) cable from the vehicle with the good battery. 3. Disconnect the red positive (+) cable from the vehicle with the good battery. 4. Disconnect the red positive (+) cable from the other vehicle. 5.
Where is the jumper cable on a GMC Sierra?
If your vehicle has more than one battery, using the battery that is closer to the starter will reduce electrical resistance. This is located on the passenger side, in the rear of the engine compartment. 3. Get the vehicles close enough so the jumper cables can reach, but be sure the vehicles are not touching each other.
Where is the remote negative terminal on a GMC Sierra?
If your vehicle has a gasoline engine, the remote negative (-) terminal is a stud located on the right front of the engine, where the negative battery cable attaches. If your vehicle has a diesel engine, the remote negative (-) terminal is the negative (-) post on the auxiliary battery on the driver side of the engine compartment.
Do you have to have a negative ground to jump start a car?
1. Check the other vehicle. It must have a 12-volt battery with a negative ground system. Notice: Only use a vehicle that has a 12-volt system with a negative ground for jump starting. If the other vehicle does not have a 12-volt system with a negative ground, both vehicles can be damaged. 2.
Why does my GM car say no start no crank?
How to diagnose a no start no click on GM vehicle. If you have a late model GM vehicle and turn the key only to hear nothing, you’ll most likely think you have a dead battery—and you may. But a no start, no crank, no click condition can be far more involved than that.
What to do if your GMC Yukon loses power?
You can do a primitive check with a volt meter from the battery terminals with ignition off (~12.6VDC) and with the engine running (~14VDC); but the best is use a proper battery/alternator tester, perhaps your local AutoZone, Advanced Auto or similar can help and ID if its the battery or the alternator is due for a replacement.
Is the push button start a GM feature?
As of this writing, the feature is standard on 2019 model year and newer Chevrolet, Buick, GMC and Cadillac models with keyless ignition, also known as push-button start.
What causes the idle voltage on a GMC Yukon?
Items that affect the vehicle’s electrical system current and voltage at idle are the number of electrical loads being used, including add-on accessories, and extended idle times.