Hi,
I have a 2000 GT with 180000 miles. The short story is that my charging system light is flickering regardless of load or RPM.
The long story is that about a month ago, I noticed it would briefly flicker at higher RPMs. I had the system tested at Advance, and they said the battery and alternator were ok. The battery was installed in October 2013. The alternator was last replaced in 2010. I replaced the serpentine belt and belt tensioner, but I still noticed the occasional brief flicker. I also thoroughly cleaned the battery terminals and connections.
This morning, the charging system light has been flickering much more frequently. Like I mentioned, the load and RPMs do not seem to matter. I immediately drove to Advance again for a charging system test. The tech said everything looks ok. He suggested removing the alternator for a bench test, which I will be doing momentarily.
What else should I be looking for? I noticed when I put the heater on full blast while driving, when the battery light flickered, I heard the blower change speed. It sounds like there is a loose connection somewhere. Battery connections are good and strong. The nut on the alternator is tight and clean. Should I inspect the ground connections? If so, where are they? Thanks.
I have a 2000 GT with 180000 miles. The short story is that my charging system light is flickering regardless of load or RPM.
The long story is that about a month ago, I noticed it would briefly flicker at higher RPMs. I had the system tested at Advance, and they said the battery and alternator were ok. The battery was installed in October 2013. The alternator was last replaced in 2010. I replaced the serpentine belt and belt tensioner, but I still noticed the occasional brief flicker. I also thoroughly cleaned the battery terminals and connections.
This morning, the charging system light has been flickering much more frequently. Like I mentioned, the load and RPMs do not seem to matter. I immediately drove to Advance again for a charging system test. The tech said everything looks ok. He suggested removing the alternator for a bench test, which I will be doing momentarily.
What else should I be looking for? I noticed when I put the heater on full blast while driving, when the battery light flickered, I heard the blower change speed. It sounds like there is a loose connection somewhere. Battery connections are good and strong. The nut on the alternator is tight and clean. Should I inspect the ground connections? If so, where are they? Thanks.