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Old 04-02-2003, 05:28 PM
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Post Lost power wires

OK, when I replaced my alternator, I installed a 1-wire, and replaced the old mess of wires with a single 10ga wire to the battery. Here's the problem: there were two power wires spliced into the original wire running to the battery connection on the old alternator. One was black with a purple stripe(10g) and the other was red(12ga). I traced both of these to the fuse block where they both ended up being red wires. One of them runs to ignition switch and the other I'm not sure. I need to figure out what to do with these wires because nothing on the entire car seems to be getting any power now. Besides the two wires, everything is well grounded and has solid connections. The car is a 1970 GTO and I have a wiring diagram for a 69, but can't find the black/purple wire on it. Any info will help.

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Old 04-03-2003, 04:58 AM
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You might search through old threads on this, I recall it being a topic in the not too distant past. I installed one on a '57 I Pro Streeted for a customer and recall a diagram that showed where to run a jumper lead from. I just moved and would take forever to track it down now, but recall that it was posted in the last threads.
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Old 04-03-2003, 02:57 PM
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Well, I ran the ignition switch power to the alternator/battery hot wire and it seems to work fine, but now I have a different problem. All of my power comes on, but the engine won't turn over when I try to start it. I have checked all connections to the starter several times. Any ideas?
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Old 04-05-2003, 09:04 AM
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Both of the wires that were hooked together need to stay together and be put to the + term on the alternator. Also test the small wire on the starter see if it has power when key in crank positon. Big purple wire on GM.
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