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Which wires for the radio of a 1987 Olds Calais are for the power and ignition etc?


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Wiki User
2004-09-30 19:53:57
2004-09-30 19:53:57

constant power - orange power when key turned on - yellow

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If you have only connected the positive and negative wires it will not go. you also have to connect the accessories wire. which is for the ignition.

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you pull out the radio and dash cluster and you will have full access to the ignition just turn it over and un clip the wires

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Your radio is being powered by your head lamp power and needs to be powered independantly. Take out your radio, in the bundle of wires at the back there is a red one and a orange one, they will have a fuse and a suppressor in-line, these are the power in wires, one is for illumination the other is memory, the illumination wire needs to be wired to an ignition live and the memory wire to a permenant live.

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To install a sterio in a vehicle you will need 3 wires to provide power and a pair of wires for each speaker. For an installation involving a vehicle that has all the wires cut and unmarked you will need a multimeter. Now locate the nessesary wires using this method... Ground wires are normally black or green. Use your multimeter on the resistance setting, put one probe on a metal part of the car's chassis and the other on a black or green wire. When you find the wire that has 0 resistance that will be your ground. Mark this wire "Ground" Next you will need a constant source (meaning power even if the ignition is off) and most vehicles will use a yellow wire. Switch your multimeter to the voltage detect setting Put the black probe to ground and use the red probe to check the wires. The ignition MUST BE OFF. When you find the wire mark it "+12v" Next you will need a switched source (meaning power only if the ignition is on the on or Acc) most vehicles will use a red wire for this but check with the multimeter with the ignition ON once you find the wire turn the ignition OFF if the wire looses power mark that wire "ignition" Great now you can wire your radio for power! Now you will need to find what wires go to what speakers. Wire your radio for power (heres a tip: ground the radio's chassis to reduce the risk of burning up the radio if you short something) and turn it on. Use 1 channel of the radio to test the wires until you find a pair that makes a speaker play music. Mark this wire to the corrisponding speaker. Once you have all the speakers marked you can wire the radio to the speakers. Take your time and use electric tape. If your not sure then ask a pro for help. To install a stereo in a vehicle you will need 3 wires to provide power and a pair of wires for each speaker. For an installation involving a vehicle that has all the wires cut and unmarked you will need a multimeter. Now locate the nessesary wires using this method... Ground wires are normally black or green. Use your multimeter on the resistance setting, put one probe on a metal part of the car's chassis and the other on a black or green wire. When you find the wire that has 0 resistance that will be your ground. Mark this wire "Ground" Next you will need a constant source (meaning power even if the ignition is off) and most vehicles will use a yellow wire. Switch your multimeter to the voltage detect setting Put the black probe to ground and use the red probe to check the wires. The ignition MUST BE OFF. When you find the wire mark it "+12v" Next you will need a switched source (meaning power only if the ignition is on the on or Acc) most vehicles will use a red wire for this but check with the multimeter with the ignition ON once you find the wire turn the ignition OFF if the wire looses power mark that wire "ignition" Great now you can wire your radio for power! Now you will need to find what wires go to what speakers. Wire your radio for power (heres a tip: ground the radio's chassis to reduce the risk of burning up the radio if you short something) and turn it on. Use 1 channel of the radio to test the wires until you find a pair that makes a speaker play music. Mark this wire to the corrisponding speaker. Once you have all the speakers marked you can wire the radio to the speakers. Take your time and use electric tape. If your not sure then ask a pro for help.


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