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2g alternator in 1g car

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gpopppa

10+ Year Contributor
145
0
Nov 3, 2008
burnsville, Minnesota
Ok, im not a noob to the dsm world but am to the alternators. I bought what i thought was a 2g alternator,which I triple asked the guy if it was a 1g,and he said yes it was. Well i read that people put 1g alternators in their 2g cars. But is the same way reversable?

I put the 2g in my 1g and i seemed to run fine, i connected the wires the same way as the oher posters did. But tonight was the first time driving with lights on. Well i got home and shut down the car. I remembered i forgot to plug the a/c plug into the a/c fan. So i plugged that in. I went back and tried to start but it went click click. Dead battery.

I noticed from the get go that my dash lights were dim for the 30 miles i drove, which means the battery was doing all the work. The alternator wasnt charging. Anyway was the plug i forgot to blame? Or do i have the two wires from the 1g back wards to where they should be on the four wires? I left the outside two wires unconnected like they are supposed to be.

Please someone tell me the ac plug somehow disconnected is to blame.. im about to order a alt from oreillys just to get on the road. Thanks.
 
The ac plug that shouldnt have caused a problem with the alt, do you have pictures kinda hard to see what wires you mean off the top of my head.
 
Sorry, no pics at the moment. THe wires im talking about are the ones from a 1g plug,spliced into the 2g middle wires. The red one and the black/ blue one(off the 2g connector), connected to the two 1g yellow and thin white wires( red to yellow, and black/blue to white).

Theres a thread on here thats for a 1g to 2g..so i thought it would be the same if it was a 2g into the 1g. Once again sorry for no pic. Its raining.

I just ordered one from oreillys and hopefully they have a warranty.(ive read storys about multiple trys to get a good alt) I will be triple checking fuses ,grounds and cables before i install the new one just because it should work,or atleast i thought it should. I guess if i ever get a 2g i will have an extra alt. Thanks again.
 
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