Easy lifehacks

What to do about battery drain on GMC Truck?

What to do about battery drain on GMC Truck?

When the switch knob is in the ON position, the circuit is closed and electrical current will pass through the switch. When the switch knob is in the OFF position, the circuit is open and electrical current will not pass through the switch. Disconnect the battery negative cable from the battery negative terminal.

Can you drive a car with a faulty alternator?

Faulty diodes can easily be replaced, but you will need to dismantle the alternator. It is impossible to drive the car with a faulty alternator. While it is the work of the battery to power the electrical components in the car, it cannot do this alone.

What does it mean when your alternator stops charging the battery?

Indicator Light On. Usually, the first sign that your charging system is in trouble is a “battery,” “ALT,” or “CHARGE” warning light illuminating on your instrument panel while driving. It means that for some reason, the alternator has stopped charging the battery and your car is running on battery power.

What causes a radiator alternator to stop working?

A closer observation of the radiator will reveal a system of pulleys or belts that work to convert mechanical energy into electrical energy. The alternator will stop working the moment your belt wears out and breaks or the pulley becomes damaged. These items are easy to replace. 3. Faulty fuse Fuses blow up due to a power surge or they wear out.

How much does a GMC truck battery drain?

The parasitic current drain should not exceed this number. Example: If a battery has a reserve capacity of 100 minutes, (60 A/H) the current drain should not exceed 25 mA . Using the MIN/MAX function of the digital multimeter, monitor the parasitic drain overnight or during the day.

What kind of wiring does a GM alternator use?

The PDF shown here is for a GM CS 130 and CS 144 alternator. Both of these alternators (generators) can be wired differently depending on their application. They can have a BAT wire and two additional wires, or a BAT and a single ā€œLā€ wire.

Why does my GMC Truck drain so much?

In some cases a non-fused circuit or component, such as a relay, is the cause of excessive parasitic current drain. Repeat the parasitic current drain test procedure after any repair has been completed to make sure that the parasitic current drain is at an acceptable level.

Where are the fuses for the alternator located?

Alternator Fuse: Does and Where Is the Alternator Fuse Located on have the same problem? Hello there, the alternator is fused by two fuses and a fusible link under the hood fuse panel, here is a wiring diagram and a guide to help you. Use a test light to check for power at the back of the alternator and each fuse. Fuse IGN SEO. and Fuse IGN E

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Ruth Doyle