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2007 jeep grand cherokee navigation radio factory wiring harness pdf#
2007 jeep grand cherokee navigation radio factory wiring harness install#
2007 jeep grand cherokee navigation radio factory wiring harness full#

Make sure to use your ground, as well as another ground (like the frame or body of the car) while testing your constant and accessory to test that you have a good ground.

Accessory will be 12v only when you turn the key to the “ON” position or the car is running. Constant will always be 12v, whether or not your car is on.

If you have a voltage meter or a test light, test the ground (black), constant 12v (yellow), and accessory 12v (red) wires to make see if you have the correct voltage in the correct wires, as well as a good ground. Problem: Installed An Aftermarket Head Unit and Now It Has No Power Possible Solution: Blue/White wire located on Head Unite wire harness. If your car has any of these systems, check your AMP TURNON signal wire for 12v.

Many cars have built in amplifiers that require a 12v signal to be sent in order to turn on the Amplifier, most common being Bose, Infinity, and JBL.

Problem: Head Unit Has Power But No Sound Possible Solution: Get behind the lighter and tap into the positive wire and connect it to your RED Accessory/Ignition wire on your aftermarket wire harness. The easiest way to locate an Accessory/Ignition wire is to find a cigarette lighter that turns on when the car does. Many Jeeps and Chevrolet systems have a data signal wire that carries a very low voltage signal that tells the OEM Head Unit when to turn on, however it is not compatible with aftermarket units.

In some cases, car stereos do not come wired with a 12v Accessory/Ignition wire, making an aftermarket radio difficult to install and work properly.

Here is a list of your common car stereo problems, symptoms and solutions to help get your stereo up and running! Problem: Can’t Find an Accessory/Ignition Power Wire Possible Solution: Whether it's an installation that might not have gone as planned, or a random problem that comes out of nowhere.

Problem: Car Headlights Flicker When Music Is Turned Up LoudĪftermarket stereos can be a pain if they aren’t functioning properly.

Problem: Installed a Car Stereo, Now Radio Doesn't Have Signal.

Problem: Installed An Aftermarket Head Unit and Now It Has No Power.

Problem: Head Unit Has Power But No Sound.

Problem: Can’t Find an Accessory/Ignition Power Wire.

Use of the information above is at your own risk.

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2007 jeep grand cherokee navigation radio factory wiring harness install#

2007 jeep grand cherokee navigation radio factory wiring harness full#

2007 jeep grand cherokee navigation radio factory wiring harness pdf#