1991 SSE Stereo Help needed - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

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Old 09-13-2009, 02:13 PM   #1
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Default 1991 SSE Stereo Help needed

Hello All,

I am new to the forum, but this place looks pretty great. I have a 1991 Bonneville SSE in great condition. Unfortunately, I am having some troubles with the radio, a casette deck with the five band equalizer and the bass boost on the center floor counsel. it is the Delco-Loc system, not the Delco-Loc II equiped with the CD player version of this stereo.

I seem to be stuck somewhere between Loc and a malfunctioning radio. Not sure, please read and let me know your thoughts.

When I turn the car on, the clock is frozen in time. Although when I disconnected the battery cable and reattached it, the clock reset to 1:00 and is now froze there for the time being. Perhaps worth mentioning, when I first turned the ignition after reconnecting the cable, "loc" came on display for approximately 1 second before going to the time and continueing with the described symptoms.

When I power the radio on, the station comes on display, yet the tuner is frozen and will not change stations. The volume has six bars, but is also frozen and the system emits no sounds. When I press other buttons, like fade, the function comes up (like everything else), but the selectability is frozen (like everything else).

I took it to the dealer and they told me they thought the radio was bad. I took it to the car audio place and they told me I will probably lose my steering wheel controls if I get an aftermarket system and my premium stock speakers might not be utilized the best way anymore.

Being that the car is in great shape, I would love to keep it looking stock anyway. Ideally, I want to run a line out of the back to plug in a mobile mp3 player.

If anyone has suggestions, like how to fix it or where to get a stock 91 SSE radio, I would love to hear them. I have been through the manual, but it describes how to unlock the radio. Yet, if the radio is locked, I am led to believe it only says "loc" on the display and nothing else functions at all.

I am trying to head west with this car in two weeks. Any help in the near future would be sincerely appreciated.

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Old 10-09-2009, 05:38 PM   #2
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Bump it up.
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Old 10-09-2009, 07:35 PM   #3
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I am pretty sure that the radio is locked. You should be able to give the dealer your vin number or something to unlock it. They may charge $50 or something. You can, however intergrate an aftermarket radio to a premium sound system. You just need to give the factory amp another 12volt switched signal
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