this is the tachometer gauge that I just got done installing today has four wires coming out of the back to that go down through here past the fuse box and they come out right over here go up into the fender and under the hood show you that in a second um the other two wires that I have which are the power and light wire power when the wire comes down here goes right straight down to the fuse box and see if I can get a better angle this time very difficult for me to see right here that's the power wire for the tachometer and the light wire also comes down and through here but it goes this way it goes right in behind the radio I don't know if you can see this wire that's red and black wire up in there it's connected to the white wire provides a lug to the attack on it this is a 94 Honda Civic Sedan Edition DX model standard happy about that and got a little bit of a problem with the radio right now still working on that the original owner cut the factory harness out instead of being a nice person and buying the aftermarket wire hook up so only one speaker works right now still trying to troubleshoot the other ones it could be the speaker's themselves not positive right now but for 350 who's going to complain right otherwise go out like I said and up under the fender and they come right around one into the ground wire and once the tachometers gage and I just if you have a ninety 93 to 95 I believe maybe 92 as well um you can just splice the green wire for a aftermarket tachometer into this blue wire here it's got this little rubber grommet at the end you'll recognize it instantly it's right right in the corner of your hood should be and um then I just ran my ground wire down to this one er in here probably didn't have to go as far you felt it was better to have it there instead of up under the dash um having trouble