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73 Impala

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Old 04-02-2007, 07:53 PM
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73 Impala

does anyone know where I can find a wiring diagram for a 1973 Impala?
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Old 04-03-2007, 09:07 PM
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no one?
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Old 04-03-2007, 10:07 PM
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i would try www.the12volt.com
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Old 04-03-2007, 11:04 PM
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tried it... no luck
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Old 04-03-2007, 11:25 PM
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Wiring diagram

My dad supplied me with wiring schematics for most all domestic cars.., however, they are in storage.
My suggestion is to visit a local mechanic, and use a cel-cam to copy the pages, or try the local library.
Another suggestion is to visit a local mechanic trade school. (as my dad is a retired mechanics teacher)
What wires are you looking for? I can see if I can ask him, and get back to you.
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Old 04-05-2007, 09:26 PM
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for now I just need to know what the 3 wires are for on the radio

black grey and yellow

Thanx!
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Old 04-06-2007, 12:34 PM
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Lightbulb

Ground, Illumination, and Ignition. There is no constant lead (orange) cuz it's too old.
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Old 04-06-2007, 12:46 PM
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Originally Posted by Dukk
Ground, Illumination, and Ignition. There is no constant lead (orange) cuz it's too old.
its usually at the cigarette lighter or fuse panel
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Old 04-06-2007, 08:59 PM
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The wires should be as follows:

Black = Ground
Yellow = Switched Power
Grey = Speaker lead

Remeber these old cars only had one speaker output and speakers are grounded to the metal they are attached too (Common ground)

To be sure just use a voltmeter and check them

Hope this helps

Garett
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Old 04-06-2007, 09:10 PM
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thanx for the help guys
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