07 9400i sleeper controls not working

Ok, pull the panel off and at the blower switch connector, cavity E should be the 75AS wire. Should have power there with the key on.

 

I'll play with it tonight..gotta burn a few miles today

 

OK..
M
L. H
B. C
B has power

 

Ok,
jump B to L.. I get low speed. Jump to anything else, nothing

 

Ok, B is you main power in. L is your low speed circuit. H and M are high and medium speeds. C is control which goes to the temperature thermostat and has nothing do with blower speed. High and medium speed each have their own relays. These relays both get their main power from breaker/fuse F10-A in the main cab breaker panel. Check this breaker/fuse. Also, when you jump B to M or H you should hear the relays click below you in the cargo compartment.

 

No click, relays replaced with 50 amp relays (what I could find)

 

I replaced f10a fused with a breaker

Just put in fuse, nothin

 

Oh..
then there's the whole gets muggy warm while driving issue

 

just brought a 2004 international 9400 i. I also have the same problem fan blower works but no power to ac button or radio controls doesn't work either ac front cab works fine