"As you can hopefully see the HUD and switch harnesses share 5 wires minus the ground wire. These 5 (low referance, down and up controls, switch signal, and illumination) are the wires that will be directly hooked up. The two remaining wires on the switch (switch illumination and ground) I simply tapped into the traction control wires to provide the ground and red illumination. [NOTE: My GP did NOT come with Traction Control, so I will come back to this...
So I can run wire behind the radio cut those five from the control plug and wire them directly together?
