94 ram 1500
you can read the code without one......turn your key on and off 3 times fast.....check engine light will come on then go off.......then it will flash so many times then pause, then flash again.....that will give you a 2 digit code.....it can flash more than one code also and at the end it flashes 55 i believe......if youre unsure of the #, do it again....it can get confusing keeping up with the flashes....when youre done, unhook your battery and try to start the truck for 30sec or so to clear them



