can someone please give me step by step instructions on how to first.. remove the dash and setup for installation (each step) each screw, what needs to come off etc. also one more thing.. the electrical aspect of it.. please explain how to take off the old guages and put the new ones into place.. these are the kind where you dont need to remove the needle it says.. and how to wire it up. i see theres a red and black wire.. the others are just plug in wires (3 coming off each guage piece ) 3 in all.. and 4 (to plug into).. i dont get why there are 4 to plug into and 3 coming off the guages.. but anyway please help me i wanna do this tonight~! thanks!!