Alternator problems?

aturi83 · 24th January 2018, 19:13

Hi guys having bother with starting, jumping the car, starting well and then driving without problems. No charge lights etc. Took it for a 2 hour drive to the midlands and back, radio/heater/heated seats etc all running. No hint of a problem.

Next day, flat as a ......

Jump it again, no issues drives fine.

Today had a chance to look over it. Battery has been on charge over night, so nice and fresh. Connected it to the car and checked voltage with a meter, found it was going UP.

Put multimeter in line, set to amps (10A) and it was drawing around 0.29, which is 290ma???

Checked the obvious things, interior lights etc, nothing there. Jumped the car, started no problems.

Took battery off the car tonight to mains charge it again. Couldn't turn the car over, put it on the charger.

Connected the multimeter and found the car had 0.5volts with the battery disconnected? Does this indicate alternator leak back. It had a new one a couple of years ago, not an OEM one unfortunately! - This explains why the battery voltage was going UP when i was checking it in situ.

Hopefully the answer is obvious to someone!

24th January 2018, 19:13	#1
aturi83 Loves to post Peugeot 508 Join Date: Jan 2012 Location: Guisborough Posts: 255 Thanks: 9 Thanked 18 Times in 8 Posts	Alternator problems? Hi guys having bother with starting, jumping the car, starting well and then driving without problems. No charge lights etc. Took it for a 2 hour drive to the midlands and back, radio/heater/heated seats etc all running. No hint of a problem. Next day, flat as a ...... Jump it again, no issues drives fine. Today had a chance to look over it. Battery has been on charge over night, so nice and fresh. Connected it to the car and checked voltage with a meter, found it was going UP. Put multimeter in line, set to amps (10A) and it was drawing around 0.29, which is 290ma??? Checked the obvious things, interior lights etc, nothing there. Jumped the car, started no problems. Took battery off the car tonight to mains charge it again. Couldn't turn the car over, put it on the charger. Connected the multimeter and found the car had 0.5volts with the battery disconnected? Does this indicate alternator leak back. It had a new one a couple of years ago, not an OEM one unfortunately! - This explains why the battery voltage was going UP when i was checking it in situ. Hopefully the answer is obvious to someone!