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Old 02-15-2016, 01:54 PM
w123fanman's Avatar
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Join Date: Jun 2011
Location: Atlanta, GA
Posts: 1,699
How to test radio system

The radio amp in my 190E seems to be bad.Tthe PO bypassed the amp by cutting most of the wires so I fixed that mess and now only the dash speaker on the driver's side works. The car has the Alpine 6 speaker system with active loudspeakers and I figured that something was wrong with my radio because the dash speakers were getting overloaded with bass though the amp is supposed to filter it to the door speakers. I discovered the hackjob when I was tracking a fuel leak. I used butt connectors install a new pigtail.

This confuses me. I though the amp was only for the door speakers yet all of my other speakers except one has stopped working. The wiring diagram is 124/4 in the electrical troubleshooting manual. http://www.startekinfo.com/StarTek/outside/11832/Resources/201Create/PDF/01002.pdf

Anyone have ideas as to what went wrong and how i can test the system? I am going to check the fader but I believe that has been bypassed.
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