cf685

I have 2 exact Mack CF600, one is a 1975 and the other is a 1982, The mack engine is the same except for the year, Whats the chances of the Jacobs engine brake fitting the other?   Was their many changes in the applications? Both engines are  EM6 237

Can anyone tell me where to look on my CF685 so I can locate the voltage regulator? My alternator checked out fine on the charging side, I was told the next place to look for my charging problem is the voltage regulator, Thanks, Jim

Found it 10-11-10

Can anyone tell me where to look on my CF685 so I can locate the voltage regulator? My alternator checked out fine on the charging side, I was told the next place to look for my charging problem is the voltage regulator, Thanks, Jim