Q: How to fix the wiring on my alternator?

asked by on

The main connection to my alternator keeps shorting out and burning up until the wire actually severs itself from the bolt. The first time this occurerd, I cut off the bad wire and attached a new connector to the end. It burned up again. What am I doing wrong

My car has 208000 miles.
My car has an automatic transmission.

Hello. The system is burning the wire connector due to the connection being weak and loose. The wire got hot and melted the first time due to a loose connection causing heat build up. You should also check the battery and the connections to the battery to make sure the battery is not weak or the connections at the battery are requiring the alternator to overcharge. Have a mechanic replace the wire to the alternator and check the complete charging and starting system for other problems. A certified technician from YourMechanic can come to your car’s location to inspect the electrical problem and guide your through repairs.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1,000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!
  1. Home
  2. Questions
  3. How to fix the wiring on my alternator?

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Is it safe to Rev a car engine

Hello. It is perfectly fine to rev the engine in your car as long as you are not over doing it or holding it at a high rpm for long periods of time. If the engine is functioning normally and...

Q: 1995 BMW 318i starter wiring

The black/yellow wire is the ignition wire, which goes to a small stud on the starter. The large red cables come from the battery and power distribution box. They go to the large stud on the starter. The black/green wire...

Q: How do I replace the camshaft sensor on a 1999 Lexus ES?

Hi there. There are two cam position sensors on this vehicle, one for each bank. They are located to the rear of the cylinder head towards the transmission, on the exhaust manifold side, black with a two or three wire...

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.