will ignition switch affect radio? - Defender Source
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  #1  
Old July 24th, 2013, 12:39 PM
wantone
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Rick Thompson
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will ignition switch affect radio?

i assume a bad ignition switch will affect the radio? i put a new switch in last year, recently my radio would intermittantly and randomly lose power and then come on. i regrounded it and check the power supply. initially i had power, now nothing. fuses are good btw. so, if the switch is going bad again, could it just affect the radio and nothing else? everything else works well.

thanks!
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  #2  
Old July 24th, 2013, 12:42 PM
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Jason England
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unlikely the ignition switch would just impact the radio.

Is everything else working?
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Old July 24th, 2013, 12:45 PM
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Joshua
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I would think that if the switch itself is bad, then everything associated with that position in the ignition switch (should be fuel pump, dash lights, door chime, radio, etc.) should also be inoperable. It sounds like you may have a poor connection to the radio itself, so check those first.
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Old July 24th, 2013, 01:17 PM
wantone
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Rick Thompson
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everything else works fine. i kind of figured if the switch was bad everything else would be bad as well. i know the radio has two power sources, one to the battery for the memory and one through the ignition switch correct? where would you guys start at as far as tracing the wires? i know the connectors in the console are good as that is where i was checking for power.

thanks
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Old July 24th, 2013, 07:36 PM
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You have both a constant and a switched power to the radio. The constant power, depending upon the radio, should just power the memory. On the key switch you have a position for the switched power, that power feed will go to the fuse box and power up some fuses. My guess is you have a bad connection at the fusebox itself
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