Are you doubly sure that you are able to turn off the display if you do not have your parking brake on? The reason why I am asking it is odd on how everything else is working but this and illumination and traffic tuner.
Anyways, I am going back to him and I got the below for him to make sure he does it right this time.
Pioneer Harness Scosche HA08B / HA08 Other Yellow Yellow 12V Constant Red Red 12V Accessory Orange Orange Dash Light Dimmer/Illumination Black Black Ground White White Left Front Speaker (+) White with Black Stripe White with Black Stripe Left Front Speaker (-) Gray Gray Right Front Speaker (+) Gray with Black Stripe Gray with Black Stripe Right Front Speaker (-) Green Green Left Rear Speaker (+) Green with Black Stripe Green with Black Stripe Left Rear Speaker (-) Violet Purple Right Rear Speaker (+) Violet with black stripe Purple with Black Stripe Right Rear Speaker (-) Blue/White Blue Power Antenna Pink VSS Variable Speed Sensor Light Green Power Side Of Parking Brake Switch Parking Brake Switch Violet/White Reverse Gear Signal Input Reverse Gear Signal Input RCA Connector Brown RearView Camera In