Holden Colorado 2012-2014 RG Holden Colorado 2017-2020 Holden Colorado 2012-2014 RGHolden Colorado 2017-2020Headunit Installation RequirementsYou will needFacia - Double DIN: RequiredSteering Wheel Control Harness: Required, also requires radio brand specific patch leadPrimary Harness: Required, may require a secondary harnessAntenna Adaptor: RequiredAdditional ProductsAntenna: AvailableT Harness (for adding aftermarket bluetooth car kits): Available Please enable javascript to use this siteImages About this VehicleDates: Jan 2014 through Dec 2016Manufacturer: HoldenSub-Model: RGChassis Type: 4x4UtePlace of Origin: AustraliaTags: HoldenColoradoUte4x4Holden Colorado The Holden Colorado was revealed at the 2011 Australian International Motor Show and went on sale in June 2012 in both Australia and New Zealand Information provided by: http://en.wikipedia.org/wiki/Isuzu_D-Max#Australia Speaker CavitiesFront: 6x9"Rear: 6-1/2" ‹ Holden Colorado 2012-2014 RG Holden Holden Colorado 2017-2020 ›