hey guys i installed a Viper 5900 alarm on my brothers 300 touring. Everything else works except for the remote start.. Well it does work but only when it tries it on the 3rd try..On the first two times the instruments dont turn on but only on the third time and thats when the remote start works. is the tach not programed correctly.. what am i doin wrong.. i installed a Viper 791xv on my charger and that worked perfect.. i know to program the tach is to start your car and within 5 seconds hold the valet button till the led light stays lit.. what else can i do