Powertech Diesel RV Generator Marathon Pancake Head testing

Here is a short video hopefully helps others with this type of generator in there food truck or RV / Motorhome. Help you test if you need a new head, Brushes or AVR. i used my own video just recently to repair another one of these generators so i hope can help someone else!

[LUTYTV]

I had a very similar experience as you only it cost me $1000 plus to find out the regulator was bad as I initially suspected.

[southernillinoisrazorrider]

Thanks for the reply. Do you know we’re I could find parts for the marathon generator head I am not having luck thanks again

[southernillinoisrazorrider]

Did you hook the negative from your 12 volt battery to the F - wire and the F + to the positive on the battery?

[southernillinoisrazorrider]

When you put 12volt to the brushes we’re did you put the negative to the generator? Thanks

[LUTYTV]

Do you know the part number of the brushes and regulator?

[southernillinoisrazorrider]

Negative from battery to generator were did you attach it thanks

[christopherbaudean]

Marathon electric number? I cant find it..

[johannahbrookwell]

I hope I never have to do this! (smile)