Scource button is red but unit doesn't seam to have power?
I have a jensen vm9312hd that i just got brand new. Hooked the yellow, red, and ground wires up and also all speaker wires i haven't done the radio modual yet i am just tryin to check and make sure i have it hooked up right but the source button is red (even when the car is off) and the unit doesn't act like it has power what do i do? i already hit the reset button
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its called motor noise and it is directly caused by the alternator inductively coupling to the audio cables in your car. you need to run the power for the amplifiers away from each other. never run power and audio in parallel to one another make sure any crossings of the cables are at 90 degrees like this ----> +
You could also check your grounds and or add a filter to the system.
sounds like the mechanism for the radio got some dirt in it, or the gears are damaged. a little sand or coffee would do the job. you could try gently helping it out but if you pull too hard it could break so be careful.
Make sure the red wire on the unit is hooked up to power. The blue antenna wire is hooked up (or to the factory amplifier) and the yellow wire on the radio is hooked up to a key on power supply. If it works and you lose the memory when you shut the key off, switch the red and yellow wire power supplies.
most head units are:
red=battery + switched
yellow= battery constant + (for clock)
blue=remote turn on for amps/eq/power ant...etc.
then the green pair, purple pair, grey pair, and white pair are the speaker outputs.
I am not sure if this is the color scheme Jensen uses, but I think it's mostly universal.
You'll want to power the red (switched ignition - the one that turns the system off when the key is off) and the yellow (constant 12V - used to maintain memory settings and tone settings when the car is off). Ground the black wire. This will allow you to power up the unit, although with no speakers hooked up you won't hear whether the internal amplifier works.
Hi have we spoke before in previous post? the red can go to any 12v live peramanent such as wire to clock or other item that has power with ignition off and the same with the yellow if your putting these to the same permanent live say from clock you can join these to together red/yellow to red on clock the black can go to any metal or neg wire. This should then have your device working the only problem im looking at for you now is the pink wire as this stops you using the device whilst driving as it goes to handbrake but i need to find out if its live or negative. You could just wire the red/yellow to live and black to earth then see if it switches on and works if not then let me know and ill see about the pink wire ok Makes sure you use inline fuses on the live wires so as not to short the device out. Make sure you know what is permanent live to put the yellow/red wire to. It doesnt need to be ignition it only says this so you cant use it with ignition off but you can wire it into any live feed from clock or switches so its up to you what to wire it to its just the pink wire im concerned about.
PINK: does it tell you to put it to live or earth on handbrake switch?