Why is the battery light of Haval H6 always on?
3 Answers
Haval H6 battery light always on reasons are mainly as follows: Battery failure: such as power exhaustion, battery failure, etc. The solution is to use a multimeter to test the battery voltage, charge it if the voltage is low, or replace it if the battery fails. Loose or oxidized battery terminals: Poor contact can also cause the battery light to turn on. The solution is to clean and tighten the battery terminals. Loose tensioner pulley: A loose alternator belt or tensioner pulley can cause the power supply system to malfunction and the battery light to turn on. The solution is to replace the belt or adjust the tensioner pulley.
This happened to me last time when I was on a road trip with my Haval H6. The battery light came on and it really freaked me out. Later, I found out it was because the alternator belt was loose. If the belt is loose or broken, it's the worst—the car can just stall in the middle of driving. Another possibility is that the carbon brushes inside the alternator are worn out or the voltage regulator is broken, preventing the battery from charging. If the battery terminals are badly corroded or the ground wire has poor contact, the light can also come on. My advice is, if this light comes on, don’t push your luck on a long drive. Pull over immediately and check if the belt is loose. It’s best to drive straight to a repair shop. They can use a multimeter to measure the alternator voltage and pinpoint the issue. Trying to fix it yourself can easily make things worse.
The battery warning light on my H6 came on after a rainy day last time. The mechanic taught me a few diagnostic methods: first, check for white crystals on the battery terminals—if present, rinse them off with hot water; then inspect the belt for cracks; next, listen for any unusual noises from the alternator when starting the car. In my case, the issue was a loose connector at the back of the alternator causing it not to charge, and tightening it solved the problem. Such problems are mostly related to the charging system—it could be a seized alternator bearing preventing power generation, or an aging battery that can't hold a charge. If the light comes on, first turn off power-consuming devices like the AC and stereo, then quickly find a nearby repair shop to test the charging voltage. If the voltage is below 13 volts, it usually means the alternator has stopped working.
