have an 03 90 t350 long wheelbase van.
took off starter motor to clean and broke solenoid in process.(didnt know at time)
put starter back on but no dashboard lights when ignition turned on.
radio works.i also tried spare key , same thing. no starter turn and no dashboard lights.
changed starter motor. same problem. changed battery , same problem.
checked fuses under bonnet and under steering. all ok.
what next?