Hi to everyone.<br/>2003 u320 leveling system wasn't working so i went under and see the compressor don't come on.<br/>I almost got new compressor thank god i didn't.I took it a part and replaced the brushes and then boom works great.<br/>Please note bus only has <8400> miles and no way it would been used that much.<br/>Here is the problem...<br/>The relay that starts the compressor is very...