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Radio Mute Lead in 1997 Explorer Radio Wiring Harness

Corenfa

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January 31, 2009
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City, State
Virginia
Year, Model & Trim Level
1997 XLT
Hello,

Does anyone know whether the stock radio (non-JBL, with "auto set" button and 6 cd changer) in a 1997 has an input that can be connected to a handsfree cellphone kit to mute the radio? Looking at the wiring diagram, the only wire that looks close is the "logic mute" wire, but that runs to the amplifier and I assume is used simply to tell the amp that the head unit is on. Has anyone had any luck with one of these handsfree kits, or have a good understanding of what the logic mute wire does?

Thanks in advance.

Jay
 



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use a relay to cut the switched power to the radio.

85 - negative mute from cell phone kit
86 - +12v (constant or switched, doesn't matter)
87a & 30 - cut switched wire to radio and connect one end to one terminal, other end to other terminal
 






Thanks Kelly2!

I should probably know, but what do the numbers in your post mean? (85, 86, 87a and 30)? What you say makes sense to me. Is there anything in particular I need to know about the relay? Is this something I can get at Radio Shack (or is there a better more likely place to get this kind of thing)?

Thanks again for the prompt response!

Jay
 






the numbers are the name/number of the post(terminal) on the relay. radio shack may have them. or best buy install bays or circuit city if there's still one around you. most automotive shops (advanced auto, o'reillys, etc) have them too. just need a standard bosch SPDT (single pole double throw) 12 volt relay

relaytextA.gif
 






Kelly2, you are the greatest. I'll give this a shot and make a post to let you know how it went. Again, thank you for the quick and knowledgeable reply.

Corenfa.
 






I found this page researching the proper voltage to supply to the "premium" JBL amp and would like to contribute that:

Apparently, twelve volts does not harm the amp but makes the speakers pop when switching on and off.

You can easily and cheaply supply the preferred five volts with a Radio Shack 276-1770 regulator. http://crutchfield.custhelp.com/cgi-bin/crutchfield.cfg/php/enduser/popup_adp.php?p_faqid=2588&p_created=1159209567&p_sid=1nIPKL*j&p_lva=5666&p_li=&p_redirect=&p_sp=cF9zcmNoPTEmcF9zb3J0X2J5PSZwX2dyaWRzb3J0PSZwX3Jvd19jbnQ9MTIsMTImcF9wcm9kcz00NjksNDc2LDg5OCwyNzI5LDI4NzYmcF9jYXRzPSZwX3B2PTUuMjg3NiZwX2N2PSZwX3BhZ2U9MQ!!
 






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