My New Alternator Won't Charge

You went out for your car obd2 scanner and the battery is dead, once more. You simply put in a whole new alternator on your engine, so what may be wrong? The alternator is an important piece of gear with your motor vehicle. It acts like a charger, recharging your battery because the electrical system makes use of the energy stored inside the your battery. If a whole new alternator is still supplying you with trouble, it really is time for you to go back to your basics and verify the alternator was the initial difficulty.
Inspect the alternator mounting bolts. The bolts really should be tight and the alternator should really be fastened securely to your engine. The belt driving the pulley really should be tight. Press the alternator belt together with your thumb. The belt ought to give approximately 1/2 inch. In case the belt moves greater than a 1/2 inch, reposition the alternator and tighten the belt. Start out the engine, the alternator and belt ought to turn in unison.
Inspect the battery and alternator connections. All connection should be tight and cost-free of corrosion. Clean corrosion with baking soda and a small wire brush. Inspect the chassis ground connection. The chassis frame connection ought to be tight and totally free of rust, paint, oil, dirt and debris. Clean rust and paint from your frame which has a scouring pad. Get rid of all oil, filth and debris.
Inspect the engine CK-100 harness. All electrical connections must be tight and free of charge of corrosion, abrasion, oil, grime and debris. Reconnect all loose connections. Temporarily restore exposed wires by wrapping black electrical tape around the exposed wires. Get rid of corrosion with baking soda along with a wire brush.
Turn the key switch to "OFF" and measure the voltage across the battery terminals. In case the engine has become sitting overnight, the voltage really should be approximately 12.6 volts. In the event the engine has not long ago been run, the voltage might be greater than twelve.six volts. When the voltage is lower than 10 volts, spot the battery on the charger.
Inspect the fuses while in the fuse box. Refer for your owners guide and verify that the fuses linked to the alternator and charging circuit are usually not blown. Substitute any fuses that happen to be blown or damaged.
Turn the key Multi-diag Access J2534 switch switch to "START" and start the engine. Measure the voltage across the battery terminals. With the engine working at lower idle, the voltage really should be about 14.6 volts. Should the voltage is lower than twelve.five volts, substitute the alternator. In the event the voltage is more than 15 volts, the alternator is overcharging that battery. Replace the alternator.