We will not respond to any requests by email cruise control and navigation information such as tach vehicle speed signal vss and brake wiring can often be found in the alarm remote start information available please scroll down as some years are combined ex 2010 17. Im looking to add a second tach to my car for accuracy purposes installing the tach is going to be fairly easy though my only question is what wire on the coil do i splice into for the signal if i cant splice into the coil wire are there any other wires i can splice into that are on the engine or in an easy to reach place in the car. Just a little video i made to help you understand the way a tachometer should be wired thanks for watching how to install wire up a tach tachometer the right way gm for beginners diy . The tach has red yellowblack orange and the green signal wire you see going into the engine compartment it is the one with the blue connector to another wire coming off the coil the red yellow go to power fuses in the cab fuse panel as they should the orange is not connected as it is for dimming the gauge black obviously for grnd. Green wire of the tach the white wire of the pcm 10 pin green plug dont forget to set your tach to the 4 cyl position not the 8 cylinder position dont forget to get a 1000ohm 1 4 watt
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