Is the battery/alt warning light on? if they didn't disconnect the battery while the starter was being replaced and they accidently shorted the battery cable out it could have damaged the regulator of the alternator some of the Delphi regulators are very sensitive to that, but if it tested normal at the parts place, does it run down while driving or while sitting?
Battery light usually means alternator not charging. Most common solutions would be be a bad alternator, bad connection, or loose alternator belt. If the battery and alt test ok than check the connections to the alternator and battery. The alternator should have 2 connections.
Simple, have the alternator checked and if it is okay, check the alternator circuit to the battery
Is it charging, if not have you checked wiring to alternator.
the vehicle needa a new voltage regulater,this should have been checked before battery and alternator as its the cheapest part to replace
There is no problem...the problem was the alternator. You have fixed the problem.
Have the battery checked out. It may have a dead cell and not holding a charge,
It sounds like you have a break in the wire which connects your alternator to your battery, get it checked out.
No, the battery may be defective and the alternator may be just fine or vice versa. Saying that if the alternator was overcharging the battery it may very well have destroyed a good battery. Just have the battery checked at any auto parts store.
Probably loose drivebelt. or alternator belt of it is seperate.
have the alternator and the battery checked
Wires between Alternator and Battery, and between Alternator plug connector and fuse box etc.
Battery light usually means alternator not charging. Most common solutions would be be a bad alternator, bad connection, or loose alternator belt. If the battery and alt test ok than check the connections to the alternator and battery.