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Wiring. PLEASE HELP!

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Old Jun 2, 2007 | 08:18 PM
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19-Camaro-88's Avatar
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Default Wiring. PLEASE HELP!

okay..well i just got done swaping the 350 into my 88 camaro. everything runs fine but while swapping the motors we accedently cut the alt. wire.we cut ALOT of the wires and have figured out everything else but this. i got a replacement wire off my 87 Z28. i know the alt. works. and we wired it up but it wasnt charging the battery.. soo i guess we wired it up to the wrong wires ..so..my question is. doesn anyone know where i can find a wiring diagram for the alternator of a 1988 V6 camaro? ive looked everywhere and cant find the right one.. or does anyone know the right wires to hook it up too? should i just try to trace the wire all the way back to the fuse box and start frm there? i really need this done asap lol. i called outta work today to get the car finished.


-Thanks.
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Old Jun 3, 2007 | 06:55 AM
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The large terminal is the power output - it goes straight to + on the battery.

The small plug has one wire that will show ground - thats the warning light wire. The other wire will show nothing, that wire is voltage sensing, run it to something inside that car that shows +12v when the ignition is on(such as the ignition wire). You can also run it to the battery but the results will not be as good.
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Old Jun 3, 2007 | 08:10 AM
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Originally Posted by NoTLaDStyle
The large terminal is the power output - it goes straight to + on the battery.

The small plug has one wire that will show ground - thats the warning light wire. The other wire will show nothing, that wire is voltage sensing, run it to something inside that car that shows +12v when the ignition is on(such as the ignition wire). You can also run it to the battery but the results will not be as good.
Which by the 'voltage sensing' the alternator creates power when it sees currect?
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Old Jun 4, 2007 | 05:39 AM
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Originally Posted by NoTLaDStyle
The large terminal is the power output - it goes straight to + on the battery.

The small plug has one wire that will show ground - thats the warning light wire. The other wire will show nothing, that wire is voltage sensing, run it to something inside that car that shows +12v when the ignition is on(such as the ignition wire). You can also run it to the battery but the results will not be as good.

thanks.. that helped out alot.
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Old Jun 6, 2007 | 03:49 PM
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Glad I could help.

Originally Posted by SmokinS13SR20
Which by the 'voltage sensing' the alternator creates power when it sees currect?
The alternator knows when to turn on when it senses a certain rpm(something like 600rpm) - the voltage sensing line is like a floodgate control. When the voltage is low, the sensing wire opens up the output to the maximum to supply as much power as it can, when the voltage is higher outside, the floodgate closes to take the alternator's load off the engine.
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