Brake regulator? There is a 6-way joint (Suzuki part# 51650-80030) up front mounted to the frame on the passenger side and a proportioning valve (Suzuki part# 51910-83110) located to the rear; mounted on the frame/passenger side. Tell me which it is you're looking for.
Neal the Zukiguy
"If it is '...a Jeep thing...' I hope it isn't contagious"