No display/interior light......NO DC Voltage
In outside compartment next to lower control module is a DC Terminal Block.
DC Pos (Fused---DC Dist Panel) & DC Neg (Chassis ground) are connected to that terminal then go to control module
TEST for 12V DC Voltage at terminal block
NO DC......then Main feeder fuse is blown
Yes DC.
Then you need to remove cover on control module
On the circuit board will be 2 fuses
3A is for the DC Controls/circuit
5A is for the 120V AC electric element
TEST the 3A DC Fuse
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Dodge 3500 w/Tractor Motor
US NAVY---USS Decatur DDG-31
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