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Please help identify broken wire in battery compartment.

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Old May 2, 2008 | 11:50 AM
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Default Please help identify broken wire in battery compartment.


I don't know what that little wire is, and I haven't gotten a good enough manual yet. what is that, accessory return or something? is it why my battery never gets a charge? it looked like it had been broken previously and soldered to the post.
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Old May 2, 2008 | 12:28 PM
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No sure, I wonder if it's what keeps the clock, radio presets and other stuff set up when the engine is shut off.....
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Old May 2, 2008 | 04:03 PM
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I am assumming that you have a 81 or 82. That is the wire that feeds the ECM. There should be a fuse at the connection,
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Old May 2, 2008 | 04:25 PM
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Could it be a replacement cable? My guess would be for an accessory it is not on my car,I am an original owner of a 79.(OOPS,Answered with out reading earlier mail)
Last edited by 69elky; May 2, 2008 at 04:27 PM.
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Old May 2, 2008 | 04:41 PM
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i have an 80... now i'm confused...

i also don't have any proof that it was ever connected. it was broken before i ever looked at it. so i don't know
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Old May 2, 2008 | 06:00 PM
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Originally Posted by Double_0_7
i have an 80... now i'm confused...

i also don't have any proof that it was ever connected. it was broken before i ever looked at it. so i don't know
Does a 80 have a ECM?
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Old May 2, 2008 | 06:04 PM
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Thats the charging fuse link. No ECM on an 80
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Old May 2, 2008 | 07:03 PM
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so if the connection is broken, it might look like my alternator is bad?... no charging?
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Old May 2, 2008 | 09:40 PM
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Originally Posted by SIXFOOTER
Thats the charging fuse link. No ECM on an 80
not even the California versions?
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Old May 2, 2008 | 10:30 PM
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Originally Posted by Double_0_7
i have an 80... now i'm confused...

i also don't have any proof that it was ever connected. it was broken before i ever looked at it. so i don't know


That is definitely why your battery isn't charging !!!!!

I installed an '80 wiring harness in my '76 and transferred that terminal and everything else into my vette. The other wire comes from the alternator (it's a direct charging line) and then that wire hooks to the battery to charge it ! If you follow that wire forward, it goes into the frame -- to the engine compartment -- and to the charging post on the alternator.

I had installed extra wires to that terminal for power to my electric fans..................... fan wires were too small......... drew too much amperage away from that terminal block....... started frying all the wires and discharging my battery. Took a couple of months to figure out what the problem was................ but all is fine (and charging) now !

Use heavy wire and repair ti and you'll be good to go ! Rick
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