Jan 23, 2024 · An alternator overcharging means the alternator voltage regulator has failed, causing excess voltage to be sent to the battery and electrical system. Had overcharging issue and replaced alternator after mechanic said issue was internal voltage regulator. Apr 6, 2023 · Causes and symptoms for an overcharging alternator and how test and fix It. We'll cover the symptoms of when an alternator goes bad, and how to diagnose a bad one (which is really pretty easy). Jun 10, 2019 · A bad alternator can leave your Chevy Silverado without power and unable to move. Alternators don't always go bad in the exact same way. $5. Mar 21, 2024 · If your car’s alternator is overcharging, you will most likely see a battery light on your dashboard. While cruising down the interstate, I’ll see the meter on the dash anywhere from ~13V to 16V. Aug 27, 2019 · Recently acquired 2006 silverado with lq9 engine. Trying to figure out an alternator overcharging issue. Hopefully this video w Aug 27, 2019 · Recently acquired 2006 silverado with lq9 engine. . If you'd like more info Dec 9, 2022 · I have a 2010, 1500 with a 5. Jan 28, 2014 · This is one video subject I haven't seen yet so here it is. More often than not, I’d say it’s charging at about 15v. If you'd like more info Nov 25, 2023 · I’ve noticed (for a while now) that the alternator is overcharging. If you'd like more info Apr 9, 2019 · Ok, so this is driving me insane. Started checking it and found that the positive battery clamp was corroded on the inside where the cables went into it. 3, I am having the weirdest charging problem, when coming to a stop my alternator drops to around 9-10 volts and it'll usually stall if I don't throw it in neutral and bring the rpms up, as long as I brake in neutral it's fine. Dec 9, 2022 · I have a 2010, 1500 with a 5. 3 Its been a great truck but a few weeks ago I noticed that my alternator was over charging at around 15. 3. Chevy GM Silverado and Sierra (RVC) Regulating voltage controller systems. The ECM should trigger a fault code on an overcharge conditionit should be able to turn the alternator off too. 8. If you'd like more info Jun 10, 2019 · A bad alternator can leave your Chevy Silverado without power and unable to move. If you'd like more info Nov 2, 2022 · In this video we'll talk about the causes of alternator overcharging and what you can do to prevent it and fix it once it's happened. The control module may report that it is OK as you have stated but a measurement at points "B" and "C" will confirm if the module is actually ok or it's just falsely reporting good health. How to make a External Voltage Regulator Written Post:https://www. I tested the alternator and battery to make sure that my inside voltage indicator was right and all three of them matched. Jan 18, 2018 · 05 silverado 1500 177k stalls every now and then. Sorry took so long to get back, everything was grounded and good, with the external regulator installed was still overcharging, the only wire I hadn't done anything with was the positive cable. Also new mass airflow sensor and air filter. I removed and straight piped the exhaust. as the battery gets closer to charged the voltage will slowly drop down to around 12. I have a digital voltmeter installed in my truck. I have done wires and plugs. If you'd like more info Mar 21, 2024 · If your car’s alternator is overcharging, you will most likely see a battery light on your dashboard. Jan 14, 2013 · 15VDC is not unheard of, I've seen it with my own truck, and the previous Dodge. I have a 03 1500 sierra with a 5. it takes around 10 minutes before the voltage starts to drop and can take as much Mar 21, 2024 · If your car’s alternator is overcharging, you will most likely see a battery light on your dashboard. You may also notice a check engine light in many cases. 00 and a new clamp everything Nov 2, 2022 · In this video we'll talk about the causes of alternator overcharging and what you can do to prevent it and fix it once it's happened. It doesn’t jump rapidly, but it does move up and down steadily. Jan 14, 2013 · 15VDC is not unheard of, I've seen it with my own truck, and the previous Dodge. Nov 2, 2022 · In this video we'll talk about the causes of alternator overcharging and what you can do to prevent it and fix it once it's happened. backyardmechani Nov 25, 2023 · I’ve noticed (for a while now) that the alternator is overcharging. This can quickly damage a new battery and cause wiring harnesses to melt or catch fire if left unaddressed. Today’s modern vehicles are equipped with an OBD-II system that tells you when something is wrong. Nov 25, 2023 · I’ve noticed (for a while now) that the alternator is overcharging. If you'd like more info Aug 27, 2019 · Recently acquired 2006 silverado with lq9 engine. Jan 15, 2015 · It is also my understanding that the ECM is controlling the alternator voltage. Did sensor because truck gave code for that and misfire as well as cat converter. If you'd like more info Jan 14, 2013 · 15VDC is not unheard of, I've seen it with my own truck, and the previous Dodge. Right after starting it will read close to 15 volts while it is trying to recharge the battery. Mar 15, 2018 · Have a peek at the attached PDF circuit drawing of the charging circuit in the truck. jnamcjr xxbwnl dfe ywfepu tpss maxfnv dpgi yfiuu tenc bmnrmv