Battery wires?

2013 HONDA CIVIC
110,000 MILES • 1.8L • 4 CYL • 2WD • AUTOMATIC
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SHEHAK SHAH
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Today in the morning my car started perfect and i drove about 3 miles and at a local shop i turned the car off and went to shop, after i returned and sat in the car and tried to self-start the car would not start, what i faced was when i inserted the key all the lights glowed but when i wanted you start the car the lights vanished and all the electrical systems went off including car locking system i opened the bonnet and realized that a wire on positive battery terminal was loose and i pushed it to make it contact firmly after that my car started. The question is, i don't know what that wire is i need help in this regard. The pictures are attached also. That third wire goes from the battery positive terminal through the fender and then inside the passenger's side door.
Jan 17, 2023 at 8:09 AM
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STRAILER
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Yep, does the car have an aftermarket radio or amplifier? If so, this wire is used to run the amp. If you don't use the amp or don't want it, you can remove the extra power wire. I would remove the battery cable and clean it. here is a guide to help you step by step:

https://www.2carpros.com/articles/everything-goes-dead-when-engine-is-cranked

Please go over this guide and report back.

Jan 17, 2023 at 11:56 AM
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SHEHAK SHAH
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There is no aftermarket amp all car is stock but what does it have to do with car starting??
Jan 17, 2023 at 12:10 PM
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STRAILER
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You said, "I pushed it to make it contact firmly after that my car started. The question is, I don't know what that wire is I need help in this regard". Can you see where the wire goes?
Jan 18, 2023 at 10:03 AM
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SHEHAK SHAH
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The wire goes into the passenger's door. i am confused also!!!
Jan 18, 2023 at 10:19 AM
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STRAILER
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That's a good one, have not seen that before, can you see where it goes after? back into the door or? Please unload an image.
Jan 19, 2023 at 2:19 PM