what is this part, and what does it do

[ETHOS]

This box is on an M923A2

what is it, what does it do and where can i get replacements

 

[Warthog]

It just allows your truck to start. Not important

 

[ETHOS]

It just allows your truck to start. Not important

starter relay?

 

[Scar59]

starter relay?

Protection Control Box (PCB)- very important component (VIC), kind of a electro/mechanical brain box.
Read up on it, the truck depends on it.

 

[grunex125]

On my PCB box it was labeled as OEM Part ........... and then it said Southern Automotive Wholesalers. Here is a link for the PCB that would fit in my 800 series

http://www.southernautomotive.com/catalog/index.php/cPath/33?osCsid=f5f0bfcf867b0c5cf0229029316490b4

looks like you have the same one

 

[gimpyrobb]

800 and 900 are not compatible!

 

[MyothersanM1]

Make sure you open it up and feed the little gremlin inside ever so often. Ya' don't want him cranky

 

[grunex125]

800 and 900 are not compatible!

ok...............I guess I stand corrected then thanks gimpyrobb

 

[wdbtchr]

Make sure you open it up and feed the little gremlin inside ever so often. Ya' don't want him cranky

Just be careful you don't let the smoke out when you feed the gremlin.

 

[73m819]

A 939 box WILL work on a 809 series truck BUT a 809 series box WILL NOT work on a 939 series truck.

 

[gimpyrobb]

A 939 box WILL work on a 809 series truck BUT a 809 series box WILL NOT work on a 939 series truck.

This.