I've hooked up my Equalizer on some pretty steep angles! Like others said, when you disconnect, just be sure to swing the bars out pretty far before you pull them out of the sockets.
thebrakeman ('70), DW ('71), DD ('99), DD ('01), DD ('05)
2004 Surveyor SV261T (UltraLite Bunkhouse Hybrid)
2006 Mercury Mountaineer V8 AWD Premier
Equal-i-zer WDH (10k), Prodigy Brake Controller