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I am trying to connect a stock car FM/AM antenna with a new aftermarket stereo system, Turns out my car antenna has 2 wires. One is Co-axial cable for signal (Most probably) and there's one more single cable comes along with it. Which I have no idea what's its for.

PS. I have tried hooking signal cable But all I got is complete static. I have also tried grounding the other extra cable with no luck.

Moreover When I connected a bare 2 meter copper wire directly to the antenna core. It gained some signal. But that is a inefficient solution to this I wanted to use my Stock car antenna to have a strong reception

The image below is similar to my cable only difference is that I have a Yellow color cable in place of blue

Also my stereo has only one hole for Co-axial cable. And no place for the other cable.

generic similar cable as I am having

My Car Name : Maruti Suzuki Baleno

My Stereo : Sony DSX-A100U

Anyone Please put a light what I am doing wrong here. And tell me how to hook this antenna to my stereo.

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  • \$\begingroup\$ After you plugged in the cable, did you make sure the other side was clipped in tightly to the antenna feed? \$\endgroup\$ Oct 19, 2017 at 5:09
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    \$\begingroup\$ Most likely the extra wire is to provide power to an amplifier in the base of the antenna. Many car radios have a connection to power the antenna. Look at table of connections on your radio, and you should find something. \$\endgroup\$
    – JRE
    Oct 19, 2017 at 5:47
  • \$\begingroup\$ @BlairFonville yes, everything was clipped correctly , even i double checked it via multi meter also \$\endgroup\$ Oct 19, 2017 at 10:37

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