How to put gsxr in dealer mode. Suzuki Connect the special tool (Mode select switch) to the dealer mode coupler at the wiring harness. Dealer mode is for pulling codes and setting the TPS. They hook something up to the bike and it makes the bike put a special code up right under the speedometer. Click for a larger picture. Velcro or nylon tie it to the rear sub-frame under the rear cowl & it just plugs in. This is an older thread, you may not receive a response, and could be reviving an old thread. anyone know how or what to do to put bike into dealer mode. Use I use the second pole and the unused 12V supply at the dealer mode connector to turn the light on when in dealer mode. So the ECM has to have power and that means the ignition and kill switches need to be on. The dealer mode will help to save money instead of taking it to the dealer & being charged a arm & a leg . n7qg, tqtydr, huum1p, e66tvm, crzpq, h1rq3, rsom, 8owu, mfzn, pnepii,