Originally Posted by RonnieDaytona
red wire connected to red power wire of head unit and blue /white wire connected to blue turn on lead of head unit. using high level input...
Is that the constant +12v of the headunit? If not, switch the red wire of the FAST-9999 to the constant +12v wire of the headunit. Most aftermarket headunits use a yellow wire for this connection, make sure you correctly identify this before you make the switch.