Need help Guyz,
The problem is last night i got stuck in heavy traffic and took me 2 hours to get from Muslim town to Township. During this stop and go the electricals of the car started to dim out like A/C fan slowed down, head lights faded, horn gone it was like alternator was not doing its job but as soon as i accelerated the things got better. Then I started to use AC and head lights alternately and got home.
I checked the SG of battery it was below 1.100 and Volts 10.8.
In the morning
Ammeter shows alternator is not charging on idle (900RPM) but starts at around 1100RPMs giving 15-30apms, the amps are not constant but fluctuate badly like 30 then 15 then 30 so on.
voltmeter shows very weird readings at idle like 3V, 19V, 11V and fluctuating. at 1100and above RPMs it shows normal 13.3V and rising gradually till 14.10V
After driving without AC and headlights and traffic in the morning for 30 minutes the battery standing volts got to 12.40V after removing surface charge and SG was 1.230.
There are no AC volts coming from the alternator so the rectifier is OK.
What could be the problem?
My guess is
2. weak +ve wire going from alternator to battery +ve terminal