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  1. geekoid

    Wiring Problem: Shaker 500

    I found the solution. Apparently even some of the installers don't know this information. Apparently some 2005+ use a data bus called MSCAN that sends the vehicle speed, back up mode, parking brake, RAP support for operation after the key is removed, Steering wheel controls, ect... on a...
  2. geekoid

    Wiring Problem: Shaker 500

    I talked with tech support at Crutchfield, they are totally confused. I got my hands on a shop manual so it clarified some of it. It turns out that at somepoint they changed how the wiring harness is setup for the speed control and the new Shaker500 work, which btw are made by Delphi. It...
  3. geekoid

    Wiring Problem: Shaker 500

    I though this would be easy since I installed many stereos before. I even bought the CrutchField 70-5521 wiring adaptor. My wiring in the '08 GT-500 seems to have different wiring configuration, I can't seem to locate the ACC+, The pin outs seem to be good for everything except the ILL+ and...
  4. geekoid

    Wiring Help: Aftermarket GPS navigation install

    I agree about the parking brake and reverse being grounded but I understand that the on screen update for the GPS display is much more accurate if you can tie into the speed control. Has anyone done that before?
  5. geekoid

    Wiring Help: Aftermarket GPS navigation install

    I have a wiring harness and mounting kit from Crutchfield to replace the shaker500 with the new double din deck I am installing. I have all the wiring prepared with the exception of three wires. Speed Control Reverse Sense Parking Brake The reverse sense and parking brake are easy but...
  6. geekoid

    Wiring Help: Aftermarket GPS navigation install

    I have a wiring harness and mounting kit from Crutchfield to replace the shaker500 with the new double din deck I am installing. I have all the wiring prepared with the exception of three wires. Speed Control Reverse Sense Parking Brake The reverse sense and parking brake are easy but...