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| way to test antanna? https://slantsix.org/forum/viewtopic.php?t=48601 |
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| Author: | scypheroth [ Sun Apr 22, 2012 4:08 pm ] |
| Post subject: | way to test antanna? |
i was wondering is there any way to test the antenna cable in my car without a deck to hook it up to? i have a strange feeling that it it broken but want to be shur. also how much voltage is the power wire that runs to the radio? 6 volt? its a 63 valiant |
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| Author: | Slanted Opinion [ Sun Apr 22, 2012 4:40 pm ] |
| Post subject: | |
The center pin of the plug should measure zero resistance to the antenna. 12v to the radio. - Mac |
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| Author: | scypheroth [ Sun Apr 22, 2012 5:35 pm ] |
| Post subject: | |
so to test it take my ohm meter and set it to what? and then just put one pin on the end of the cable and the other touch the antenna? |
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| Author: | Slanted Opinion [ Sun Apr 22, 2012 5:44 pm ] |
| Post subject: | |
Set your ohmmeter to the x1 range. You should see about the same resistance through the cable to the antenna as you do when you touch the two leads of the ohmmeter together (which is to say, zero). |
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| Author: | KBB_of_TMC [ Mon Apr 23, 2012 9:55 am ] |
| Post subject: | |
Also, the center-pin to ground ought to have near-infinite resistance. If the antenna lead gets shorted, FM might work somewhat but AM is usually gone. It is fairly easy to just plug in another (universal) antenna to the back of the radio for testing - just don't set it touch any metal while testing. The (at least the US I'm sure) 1963's were 12V systems; the radio only would get power in RUN and ACC and there was no const. 12V for memory needed by most modern radios. The factory radios didn't draw much power. The best possible investment you can make is to get good factory schematics before touching any of the wiring. |
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