Thread: How can I determine what audio system my car was built with?
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Old Apr 30, 2013 | 08:42 AM
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ala_xfire
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Joined: Dec 2010
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From: Lineville, AL
Default Re: How can I determine what audio system my car was built with?
Just curious :
Why did the NAV head unit / amp use the speed signal wire and the backup signal wire,
and the non-NAV did not ?

Can you wire these to the non-NAV and see any benefits ?
 
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