My jvc KD-G152 car radio/cd player will not power up. both yellow and red feeds are live although the previous owner has taken both these feed wires from one permanant live wire behind the dash.Not sure if this is the problem but cant see why it should unless red wire need to be dead when using reset
black wire is correcltly earthed. system will not power up press the display or eject button and system lights up for about 3 seconds then goes dead again
Have carried out reset (on off button together with set button but again nothing)system is almost new but cant return under warranty so any suggetions would be most welcome
thanks trevor
I have a JVC-KD-S590. It powers off for no apparent reason. I thought perhaps a short in the wiring.But I saw that one solution was to remove the cable from the battery for several minutes. (reset memory??) I tried it, and it worked--but only for a month. I started the car the other day, and the radio had no power again. Took off battery cable again but no good. Any ideas?I have a JVC-KD-S590. It powers off for no apparent reason. I thought perhaps a short in the wiring.But I saw that one solution was to remove the cable from the battery for several minutes. (reset memory??) I tried it, and it worked--but only for a month. I started the car the other day, and the radio had no power again. Took off battery cable again but no good. Any ideas?
AnonymousMar 28, 2014
UNIT WON'T RESETUNIT WON'T RESET
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As a sanity check run a temporary wire directly from the battery positive to the radio. Twist the red and yellow wires together and connect it to the wire from the battery. If this works either your red or yellow wire connection under the dash or to the harness is not hot like you think. Yellow usually goes to a constant 12 volt source (to keep radio memory) and the red wire to 12volts when the ignition is on. In some radios this is reversed. The test I mentioned will determin if the problem is in the wiring or the radio.
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Swapping the red and yellow wires cannot possibly have any affect on the radio. Both wires need to see 12 volts for proper operation. If they are reversed, it would only simply fail to save the memory settings. You have other issues. You have probably lost power on the red wire.
Make sure you are getting power to both the red and yellow wires. Red is switched or ignition and yellow is constant and controls the memory of the radio.
Try going to the crutchfield website and look for help installing stereo. they can get you vehicle specific wiring codes for free. Also, almost everey stereo has common color codes for wiring. red- switched batt. +, yellow-constant batt. +, black= ground, blue- power anrenna, etc.
red = ignition controlled live
yellow = permanent live
if you want stations saved and manual switch off of uni connect radio's yelow and red wires to the cars yellow.
if you want stations saved and radiounit switch off controlled by ignition (i.e only when car is running) then yellow to yellow and red to red. anything else will cause issues...
sounds like only the constant(yellow) wire has power. you need to make sure that the switched wire(red) has power as well. good way to trouble shoot, is to hook the red to the yellow to see if it powers up then, if so you know the radio is ok, you just need to find a better power source for the red wire. hope this helps.
You need to swap the ignition live and permanent live around. If you have a vauxhall the car stereo wiring is the opposite way round to everyone else! Some Rovers have it aswell.
Hi. your radio has 2 power wires. A red one and a yellow one (with most decks)
It sounds like your radio is getting only constant power but no "key on" power.
Check your radio with the key on you should have power on both the red and yellow wires. If you are missing power on one of the wires theres your problem. If you have power on both wires then there is something internally wrong with your radio...
I have a JVC-KD-S590. It powers off for no apparent reason. I thought perhaps a short in the wiring.But I saw that one solution was to remove the cable from the battery for several minutes. (reset memory??) I tried it, and it worked--but only for a month. I started the car the other day, and the radio had no power again. Took off battery cable again but no good. Any ideas?
UNIT WON'T RESET
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