Here is the stereo radio wiring information for your 2008 Dodge Caliber body with the standard or amplified systems. It will be useful when installing an aftermarket radio, sound stereo system, or other automotive accessories. Make sure to grab the appropriate tools to test all the wires in your Caliber. Please check it over and use it as a GUIDE to help you locate the appropriate wires. This schematic is provided free of charge and may not be 100% accurate. Failure to properly test all the wires may lead to vehicle or bodily damage. All information is provided as-is and accuracy is not guaranteed.
If you find any conflicting info please leave a comment with what you found in your Dodge Caliber. If you don’t see the audio radio wiring diagram you need comment and we will try to add it ASAP. Thanks for looking!
2008 Dodge Caliber Audio Wiring Radio Diagram Schematic Colors – Aftermarket Installation Help
Car Radio Constant 12v+ Wire: Red/Light Blue
Car Stereo Ground Wire: Black/Yellow or Black/Green
Car Radio Ignition Switched Wire: @ Cigarette Lighter Below Radio
Car Radio Illumination Wire: White/Purple @ Drivers kick panel harness
Car Stereo Power Antenna: Gray/Red (+) @ Radio Harness
Car Radio Amp Turn On Wire:
Left Front Speaker Wire (+) Positive: Gray/Purple
Left Front Speaker Wire (-) Negative: Gray/Yellow
Right Front Speaker Wire (+) Positive: Green/Purple
Right Front Speaker Wire (-) Negative: Green/Yellow
Left Rear Speaker Wire (+) Positive: Green/Dark Blue
Left Rear Speaker Wire (-) Negative: Green/Brown
Right Rear Speaker Wire (+) Positive: Gray/Dark Blue
Right Rear Speaker Wire (-) Negative: Gray/Orange
SPEAKER WIRE COLORS AT THE SPEAKERS IN THE DOORS
Left Front Door Speaker Wire (+) Positive:
Left Front Door Speaker Wire (-) Negative:
Right Front Door Speaker Wire (+) Positive:
Right Front Door Speaker Wire (-) Negative:
Left Rear Door Speaker Wire (+) Positive:
Left Rear Door Speaker Wire (-) Negative:
Right Rear Door Speaker Wire (+) Positive:
Right Rear Door Speaker Wire (-) Negative:
Center Channel Speaker Wire Positive / Negative: N/A
Subwoofer Speaker Wire Positive / Negative: N/A
Radio Size: Single or Double Din
Radio Removal Tools:
Keep in mind if you are installing a new radio you need the wiring harness, the antenna adapter, steering wheel control module, and the mounting kit as well.
REQUIRED PARTS FOR AFTERMARKET RADIO INSTALL
AMPLIFIED SYSTEM WIRING HARNESS:
BASE SYSTEM WIRING HARNESS:
MOUNTING KIT FOR DOUBLE DIN AFTERMARKET RADIOS:
(This kit can be used with double or single din radios! Vehicle MUST have OEM navigation to use this kit OR you will also need to purchase the OEM Nav Bezel
.
MOUNTING KIT FOR SINGLE DIN AFTERMARKET RADIOS:
(This kit can be used ONLY with single din radios! Vehicle must NOT have OEM navigation.
ANTENNA ADAPTER:
STEERING WHEEL CONTROLS ADAPTER:
Metra Axxess ASWC-1 Universal Steering Wheel Control Interface
SPEAKER WIRING ADAPTERS:
Use these when replacing the OEM speakers if you don’t want to cut or splice the OEM harness. Comes with 1 pair if doing all 4 speakers you will need to order 2.
RECOMMENDED TOOLS FOR THE INSTALL – SAME ONES THE PROS USE!
– Klein Wire Cutters / Crimpers
to remove the pocket and cigarette lighter bezel. Next use the pick tools to release the spring clips inside the vents and rotate the vents upward to reveal torx screws to remove using this 
. Return the vents to their normal position then use the pick tools to release the spring clips and rotate the vents downward to reveal clips up top to pull down a bit to remove the vent panel. After that remove the torx at the top of radio bezel, and the metal clips at the bottom then unplug and remove that bezel. (don’t turn the vehicle on once you unplug the airbag connector). Finally 4 screws hold the radio in.
plug either the aux or the rcas into the back of your new aftermarket radio depending on what type of audio input they have. Then cut off the other end and splice into the following wires at the 14-pin connector found behind the radio:
to easily get the job done.
they work great and are an excellent bang for the buck! Or the 
if you want to replace your OEM tweeters in the dash as well.