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Hey scott, i also have a 1977 Motorhome (Vogue) with the M-400 chasis. My application is probably different than yours, but my switch is located above the brake booster mounting box, on the frame rail, in the drivers side wheel well. It's quite obvious, which is making me think that yours maybe different. It's located near the pivot point of the pedal hardware, real close to the "ceiling" of the wheel well. I also have an original shop manual for that chasis. Most of the brake applications are after market or specific to the manufacturer of the coach body. So, not all M-400 may be the same. |