What does the alternator gauge show?

The ‘alternator’ gage is an ammeter showing current to or from the battery. Normally it sits at zero after the battery has recharged. That means charging is increasing with rpm.

Where are the GMC Sierra general electrical system problems?

The vehicle was taken to the murdock manhattan Chevrolet-Cadillac located at (600 mccall rd, manhattan, KS 66502 (785) 783-0639) where vehicle was diagnosed and inform there was not a problem with headlights. The vehicle was not repaired. The manufacturer was made aware of the failure and a case was open.

Where can I get my GMC Sierra replaced?

The vehicle was taken to marty’s Buick GMC (5 collection way, kingston MA, 02364, 781-585-7570) several times for the failure. The contact stated that the dealer replaced wires, but the failure was not corrected. The contact did not know the name of the wires that were replaced.

Why is my GMC Sierra losing power steering?

In some cases all electrical blinks and it continues to drive while temporarily losing power steering and other features and other times turning off completely until coming to a stop. The dealership wants ~$400 to do diagnostics on a g218 bolt that they were told by GMC that it is related to. This issue came from the factory this way.

What happens when you put a GMC Sierra in reverse?

GMC should compensate owners until fixed. Display screen to bright when vehicle is in reverse. When putting vehicle in reverse the backup camera display is so bright you can not see your exterior mirrors or out any of the windows to see surrounding area.

What are the symptoms of a bad alternator in a GMC Sierra?

Here are the most common symptoms of a bad alternator in a GMC Sierra: The battery light is designed to tell you that there is not enough voltage to properly charge the battery, or that the battery itself is not holding the proper voltage. In rare occasions the service engine soon light may light up.

Is the alternator in my truck overcharging?

Alternator Overcharging? Recently noticed that my voltage in my truck is very high. While driving the voltage reads about 15.2 to 15.5. All my electronics and everything else is working normally. I do have subs though but usually the voltage should drop. Any suggestions?

When to replace the alternator in a Chevy Trailblazer?

With the engine just fired up, you should get over 14.2 volts. If you got 14.2 or more volts, the alternator is charging fine. If it’s still showing in the 12’s, it’s time to replace the alternator. If it’s producing a voltage level in the 13’s, go ahead and take it into a parts store and have it tested. It’s probably bad.

What’s the battery voltage on my GM 05?

My 05 does the same thing with a new alternator and battery. In the city it is around 14 volts, when I get on the highway it drops to 11-12 volts. If I put all 4 windows up at the same time the lights dim for a second and then the voltage goes up to 14-15 volts.