We noticed light came on drove across town on way back seemed to start loosing power, lights dimmed, radio went out car started to sputter, got home changed battery, light stil on, had alternator checked it was fine, cleaned battery cables, looked around, turned on car and light was off car ran fine. Next day car fine, today driving to work and it started to lose power again and acted like it was going to stall out. Not sure what to do have to try to make it home? Any suggestions as to what to look for would be appreciated.
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Check your battery cables and starter cables especially the connectors and bolts under the hood. The bolts and connections could be loose or corroded. Check the connections near the battery and on the battery since many times mechanics mess with these the most. My guess is something is loose if it starts well most times, but fails occasionally. Did you look for blinky codes or DTCs? A '47' (or P0562) could mean a bad battery or alternator, and a '12' (or P1684) could indicate intermittent connections. Do the dome lights dim or stay well lit when the clicking is heard during cranking? If so, then the issue is most likely near the battery and if not then the issue is more likely near the starter. Good luck. There are a lot of wires under the hood.
Dirty connection on a main fuse or a possibly even a simple thing like a high resistance on a battery terminal caused by corrosion ,the alternator is charging but when the battery connection plays up then the alternator can only produce a certain amount of power ,use a bit more and it stops like you describe ,start by cleaning the battery terminals with a bit of emery paper and greasing them then refitting the terminals
as your description is a little uncertain that is why the answer are a little mixed
however the basis of the description indicates a battery problem , probably loose/dirty battery terminals or loose /dirty ground wire to the engine
check the ground wire condition
If the batt light is on, the alternator is not charging the battery. If the battery won't hold a charge, it could be failing. If you are having a specific problem with your PT Cruiser or Mustang, let us know what it is.
I was having the same problem with my 85 Ramcharger until my alternator went out. After I replaced it the stalling seemed to stop. Other things I noticed that resolved were dimming headlights and dash lights, the radio shutting off periodically when I drove and hard bumps causing the truck to stall. I hope this helps.
Yup, time for a new alternator. Most models have the regulator built into the alternator, so it makes it a little bit more expensive - but it will resolve your problems. If you are driving at night with a load on your charging system (lights and radio on), you will probably notice you have dim headlights. If you don't change it soon, you'll end up having to replace your battery too.