My Metro that i just bought is having some trouble if i give my car a jump it will start right up but if i turn it off it wont crank back up while i am driving the lights will dim if i leave it idle for a while it will crank back up sometimes I have replaced the battery i have tried unhooking the battery while the car is running to test the alternator and it stays running actually it runs better with the battery unplugged and i still dont know what is going on
Disconnecting battery doesnt prove that alternator is not working --have both battery and alternator tested
Alternator may be too weak. Have it tested for amperage.
SOURCE: 95 pathfinder wont stay running and doesnt charge
Check all grounds running from all electrical, If there is not a good contact this problem will occur, when you locate the ground surface take sandpaper or even a knife and scrape or sand the connector and the ground surface then reconnect it, It should return to normal if not then it could be a solenoid possibly but not sure
SOURCE: '91 honda accord battery light on with new battery.
either your alternator has gone or your fan belt is not there which helps the alternator to charge the battery get a volt meter on your alternator to see if it is kicking out what it should be
SOURCE: while driving the head and dash lights go dim then
Try to check the alternator and also check the fuse and alwas make sure that the battery terminal is fix and it is not loose.
I’m happy to assist further over the phone at https://www.6ya.com/expert/ramy_d9e7ebea3891f482
SOURCE: i have a 06 grand prix charging system failure
If alternator is good, it should stay running with cable off. What is your battery voltage with & without engine running?
SOURCE: The lights on my metro are dim and now it dies
Sounds like it is the alternator. If yoy have a charger, put it on for a bit. Or maybe do it during the day when you wont need headlights. But take it somewhere that will give you a free charging diagnostic. For instance AutoZone or Advance auto parts. But I am pretty confident taht you need an alternator. Especially if you have a charging light on in the dash.
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