Had to have the ecm replaced in my 2007 Pete with the Cat 550. The flash files are gone and Cat will not release the "codes" anymore. A guy used...
Thanks. I pm'd him yesterday.
Mine is a 35SI. My truck didnt even have a sense wire. I added one to see if it would help & it didnt.
Still overcharging. It was fine....right at 14.2 then it decided to climb to 15....even with all lights on, a/c on, everything turned on....still...
Haven't pulled any fuses.....4 new batteries & all cables were cleaned and tightened. Engine & frame ground were removed & cleaned. Didnt check...
Nothing extra installed on the truck & its a 12v for sure.
Heavyd......the original alt was tested and confirmed bad diodes & stator
Dash / Body computer......sounds complicated and expensive....explain
Voltage at the batteries was and is 14.23. I have been using the original alt pulley (moving it from one alt to the next). The truck did not...
Pablo.......Peterbilt dealership mentioned some sort of "board" behind the dash......
Sparkz & Frenzy.......I will check all of those voltage measurements on Monday. Thanks for all the info & support.
These are tri axle dump trucks.....some lights but not a whole lot. The original alt didnt have a sense terminal.....I added a wire from bat+ to...
14.23 at the alt.....14.7 on the dash guage
Changed alt again, 4 new batteries......still charging close to 15 with no load.....put lights on, a/c......around 14.6 at idle. My 2007 pete is...
Its the 2nd alternator..... First was on for 1 day....figured bad reman 2nd reman alt doing the same thing. Someone said that when the original...
Alternator is overcharging. Took it and had it tested & it came back as bad according to the generator shop. Bought a reman and it was still...
