Q: Q: Battery wont stay charged

asked by on

1973 Ford Thunderbird there might be a slow draw with the battery when i have the connection hooked up the battery dies so i have to unplug the battery time i get out i have replaced the battery and alternator and it still dose the same thing then i tested the alternator when the car was on and it was reading 12.6 volts

My car has 141000 miles.
My car has an automatic transmission.

It appears the alternator is providing the correct charge (within range) to the battery at 12.6 volts. This also suggests that the voltage regulator is working properly. You may have a slight power draw coming from somewhere in the car. Try checking things like interior lights, stereo connections, trunk light, under hood light and anything else that may have a small bit of power coming from it that may otherwise get left on when leaving the car overnight. You may also have a grounding issue somewhere as well. If you need assistance, a certified YourMechanic technician can come to your location to perform a battery will not hold a charge inspection on your vehicle and help diagnose this issue.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. Q: Battery wont stay charged

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: Q: Battery light on

Hello. The battery light turning on when the engine is running indicates that system voltage is low. Everything required to run the engine, and everything in the car, will drain the battery. Most likely, it is the alternator, but the...

Q: Headers that fit my car with a manual transmission? 1973 Ford Mustang

Check Cjpony, Jegs, or Summit Racing. They all carry headers that include your model.

Q: Q: Car shuts off while idling

Hello. This can be caused by many things on this vehicle, but the most common one is the crankshaft position sensor. I have seen many of these fail on this car and cause this. I usually use a scan tool...

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...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
What are the Car Pool Rules in Hawaii?
Hawaii is widely regarded as a land of vacation and relaxation, and as such, its scenic roads and routes are far better known than the state’s freeways. But, as with all...