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Location:
Brisbane, QLD
Registered:
February 2003
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Location:
Tamworth
Registered:
October 2002
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Location:
Gold Coast
Registered:
October 2002
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Re: Car Stereo wiring problems
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Mon, 17 March 2003 01:16
 
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yeah do the multimeter thing. Ill explain it a bit more. Connect the multimeter to a ground on the car (usually the black lead) make sure the keys are on the 'lock' position and check each wire with the other probe (usually red) until you have one that shows a voltage (between 12 and 13. this is the constant power wire (positive +) then put this wire aside and turn the keys to 'acc' now and check the wires as before for voltage. This is the accessory wire. if there is an illumination wire do the same with the car parker lights switched on. if you find one this is the 'illumination'wire.
Next for the speakers it will be obviousif they are aftermarket speakers in the parcel shelf etc but if they are factory use the battery trick and find which ones will make the speakers crackle. toyotas always use a striped wire for the negative speaker wire.
easy as that.
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Toymods Social Secretary
Location:
Sydney
Registered:
July 2002
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Re: Car Stereo wiring problems
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Mon, 17 March 2003 04:48
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if you cant be stuffed buying a multimeter - just buy a cheap dodgy $2 test light from any hardware/electronics/auto store.
As far as the battery stratch/POP test goes - i myself use a 12V cordless drill battery, and inspect the movement of the speaker when i apply the 12V. If the speaker moves "outwards" then you have the speaker polarity correct.
Another thing to note is - with some mid 80's toyota's, there was some use of "common negative" for speakers. If you find this is the case, then you MUST rewire all the speakers to avoid damaging any aftermarket head unit you might use.
Also - dont forget to solder AND electrical tape ALL connections. You should be able to find the earth wire in the wires there, but if not just use a nice healthy chassis point.
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Location:
Perth - Cannington
Registered:
December 2002
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Re: Car Stereo wiring problems
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Mon, 17 March 2003 04:57
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man, if you need a hand.. come see me..
i can sort it out.. and if i cant.. then between me, you and my mate Chuin, we can fix it easy.
otherwise, audioart(formerly westside car audio(according to the front) in cannington can fix it and fit it all for you.. and offer you some other stuff too..
i can show you were that is if you need.
Peace
Katsuchiyo
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Registered:
April 2003
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