SINGLE OR DUAL ALTERNATOR SYSTEM?
Over the past year, the battery light on the dash has been coming on intermittently. I bought a battery/alternator monitor that plugs into the cigarette lighter. Even when the red battery light on the dash is on/flickering -the tester never wavers and indicates everything is good. I checked the battery terminals on both batteries (7.3 Diesel) and everything looks good. The batteries are only about three years old from Costco. I maintain then regularly by adding distilled water and cleaning the posts. I have not checked the wiring at the alternator. I brought it to Autozone to have the charging system checked. The first time, they told me the batteries were testing 85% and the alternator was bad. Yesterday, I brought it back and they tested the system again, batteries were at 65% and two low to finish the test. I checked into a new alternator but they asked me if it was a single alternator system 130 Amp or a dual alternator system 110 Amp. Anyone know how to determine which system I have? Any other suggestions?
Thanks in advance for you help. -Chris
1999 Ford E350 EB PH
7.3L V8 Powerstroke Diesel
Custom flr plan like EB44
Agile Offroad 4x4