Question about JVC KD-AVX40 Car Video Player

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I installed the above mentioned stereo into a 2005 Dodge Grand Caravan, using a factory wiring harness, and enclosed instructions. Also installed were a Sirius SIR-JVC1 radio tuner, and a SWI-PACK adapter to keep the original steering wheel controls for the radio. The SWI-PACK needs to be wired to the wiring from the steering column, which I do not have enough wiring knowledge to complete this task. Also, there is a wire that needs to be attached to the parking brake switch. This is so that the dvd player will not function unless the vehicle parking brake is on. Also, not sure where this is located in the vehicle, therefor, it is also not attached. The main issue I am having is when the radio is hooked into the wiring harness, the radio works, however, when trying to start the vehicle, it starts, then immediately shuts off. All the lights on the dash come on. Now, I have a check engine light on, the left head light does not work, and the switch that controls the left power sliding door does not work. I took the car to Auto Zone, and they advised the check engine codes are : U0140, U110C, U0101 & U0155. When I disconnect the harness from the radio, the vehicle will start with no problems, but the check engine light remains on. I called JVC, they seem to think it is a wiring issue. I did follow the wiring guidelines that came with the instructions, and did not splice any additional wires. Any idea what the issue may be?

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There is obviously something that is grounding the power for critical communcation systems for the vehicle (all of the trouble codes are for lost communication with a sensor... one of the codes was for lost communication with the dash cluster) when the radio wiring harness is connected. The check engine light will remain on after the harness is disconnected because the codes have triggered the light to stay on until it is reset at ecm by an onboard scanner or negative battery cable is disconnected for 15 minutes to clear the code. You will need to get a correct wiring diagram that describes the color coding for each wire and what the wires are for. The radio should only be connected to the speakers, 12 volt keyed(switched), 12 volt constant, and radio should be grounded directly(not thru wiring harness). I would try disconnecting the ground wire(black) from the wiring harness and ground it directly to a good ground on the vehicle and see if that allows the vehicle to start & radio works.

Posted on Nov 14, 2009

  • muebe Nov 14, 2009

    And as far as the wiring from the steering column...these wires would als be part of one of the plugs that went into the factory radio. The way to identify these wires is to hook up a 12 volt test light to each wire then press the "volume up" switch on the steering wheel for example and check if the light comes on(getting power). Keep trying different wires and buttons untill you find one that lights the test light when switched or pushed. Then label that wire with the name of the switch. Then you will be able to connect SWI-Pack adapter for steering wheel controls. Let me know if you have other questions.



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