What is This Cable? Corroded Power Cable. - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
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post #1 of 9 (permalink) Old 03-10-2018, 01:26 PM Thread Starter
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What is This Cable? Corroded Power Cable.

I jumped in my 09 Cobalt the other day and went to crank it but it didn't start up so I grabbed the wife's car and headed to work. When I got back I couldn't use the key fob to open the doors. Stuck the key in and open the doors and received lots of fun honking from the anti-theft system. The car still wouldn't crank so I did some investigating. After checking a few things I found my battery was completely submerged in water and looked like it had been for quite some time. I drained the water, cleaned up the post on the batter, and dropped it on a charger to make sure it was good. Still no start after tossing it back in though (power to lights/radio/etc this whole time) so I did a little more digging around and found a cable near my battery was corroded and broke. I cannot figure out what this cable is to try and replace it. Does anyone have any knowledge of a part number or name for the cable? It looks to connect to something that comes off the positive battery cable.





Thanks,
Elliot

Last edited by rejuvenation; 03-10-2018 at 01:29 PM.
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post #2 of 9 (permalink) Old 03-10-2018, 02:22 PM
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Yeah it looks like it connects to that other one how many wires are in the cable and is that the plastic connector on the floor
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post #3 of 9 (permalink) Old 03-10-2018, 03:41 PM Thread Starter
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Yep that is the connector on the floor behind it adding a photo of what the connection looks like at the end.

I tried my hardest to count correctly and it should be 19 or 20 wires inside the cable.

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post #4 of 9 (permalink) Old 03-10-2018, 04:04 PM
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When I asked how many wires I thought they were different wires inside of the harness but it's just one cable and that cable connects to the plastic piece on the floor and clips together with the other one this is a picture of mine it's the same
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post #5 of 9 (permalink) Old 03-10-2018, 04:08 PM
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That's the cable that probably goes to the starter so that is probably your problem
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post #6 of 9 (permalink) Old 03-10-2018, 04:09 PM Thread Starter
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Whelp read that wrong hehe. Yep that is the guy. Yeah it seems to terminate in a different area then the trunk for sure.

I'll try to look for some info on cabling out of the starter (thank you).
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post #7 of 9 (permalink) Old 03-18-2018, 01:34 PM Thread Starter
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Quick follow up for anyone who needs this in the future.

I was not able to find the connector easily to purchase and replace so instead I picked up some Quick Disconnects. The cable that is broken (left side) is 10 gage and the cable it connects to (the one that connects to the positive terminal) is 8 gauge. You might be able to use something like circle terminals if you could not find quick disconnects.

The repair was quick and cost about 5$. (See Coby's post below on where the cable goes)

Good luck out there,
-elliot

Last edited by rejuvenation; 03-20-2018 at 05:55 PM. Reason: Corrected on where the cable goes.
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post #8 of 9 (permalink) Old 03-18-2018, 03:10 PM
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Doesn't go to starter, it goes to BCM pin A1 of C4 directly. Of course if it is broken it will not start because the BCM needs this voltage to send ignition voltage to the start relay in the underhood fuse block.


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Last edited by Coby7; 03-18-2018 at 03:19 PM.
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post #9 of 9 (permalink) Old 03-20-2018, 05:54 PM Thread Starter
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Thank Coby, updating last post
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battery , cable , nostart , power , start

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