radio doesn't work help! - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 03-10-2003, 07:52 PM   #1
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Default radio doesn't work help!

I a tring to install the sse radio in to my se. help I can't find out how to get the loc to go away. i have the key pad from the car that i got the radio out of but i can 't figuer how to hook it up to make the mute button work.

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Old 03-10-2003, 08:41 PM   #2
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What year and trim line do you have?

What year car did the radio come from that you are trying to install?
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Old 03-10-2003, 08:51 PM   #3
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I saw something here. Can't remember if it was a post, PM, or an email to me. Procedure for resetting theftlock. Who was it? Anyone? I tried searching and can't find it. I'll look at home and see if it was my email when I get back tonight.
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Old 03-10-2003, 09:34 PM   #4
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Default RE: radio dont' work

the radio is from a 1988 sse and it had the sterring controls. it is going in to a 1988 se with performance package with the standered radio.
i asked gm and they said i had to use the mute control on the sterring pad to activate
the radio. how do i hook the key pad to the better radio so i can turn it on.
or can anyone give me the wiring diagram to the radio system.
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Old 03-11-2003, 12:21 AM   #5
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Tech Tips

Radio Security
by Dave Martin

With the ever-increasing cost of Radio-Tape-CD players, it is no surprise that the theft of these systems has also increased.

General Motors has responded to this problem by installing anti-theft systems into many of their entertainment centers. Delco Lock was first introduced in 1986 by Pontiac and used until 1989. This basic system works in conjunction with radio controls located on the steering wheel. If memory power is removed from the radio, "LOC" will appear on the digital display when power is restored.

Unlocking the radio is a basic two-step procedure. First, turn the ignition and radio on, then depress the "mute" button on the steering wheel control pad for about 10 seconds. This will send a digital signal to the radio, restoring it to normal operation. If the control pad does not work, there are two other ways to unlock it. The radio may be sent in to an authorized repair center to be unlocked and will be programmed to "wake up" one time only in an unlocked mode. The other method requires using a bi-directional scan tool which has the capability to communicate through a radio data line at the ALDL connector. If you will be removing power from a vehicle with this system, try the radio control pad first. If it doesn't work, notify the customer and explain the two options.

In 1988, another version of Delco Lock was introduced and was used until 1995 by Pontiac, Oldsmobile, and Buick. Again, this version is only found on vehicles with radio steering wheel controls. If memory power is removed from the radio, it will be locked when power is restored. The difference is that after power is restored, the radio will automatically communicate with the steering wheel control module and unlock itself. If a new steering wheel control pad is installed, turn the ignition and radio on. Depress the station preset buttons in positions 1 and 4 to unlock the radio and return it to normal operation.

Delco Lock II (also called Theftlock), the next generation of anti-theft controls, features an owner-programmed lock code which is entered through the radio controls. If the customer programs a lock code into the radio and memory power is lost, "LOC" will appear after power is restored. The locking code must be entered to allow its use. If the customer does not have the code number, the radio may be unlocked by an authorized General Motors facility using special access codes.

Since there are numerous radio systems available, it is important to obtain the RPO codes from the decal on the vehicle. Radio codes start with the letter "U." Compare these codes with your repair manual to match the systems and service procedures. If you have any questions, give me a call.

found this online, hope that it helps
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Old 03-11-2003, 12:29 AM   #6
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That oughtta cover it!
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Old 03-11-2003, 02:34 AM   #7
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Default RE radio doesn't work

ok that helps if i had a ols radio. but is there a way to hard wire the sterring controls to the unit with the 3 wire conetor on the control card if so which color wire on the sterring control pad goes to what color wire on the control card


control----------------------------------------sterring control
card --------------------------------------------- pad
________--------------------------------------_____________
| black |-------------------------------------| black |
| white |-------------------------------------| yellow |
|__ red__|--------------------------------------| grey |
--------------------------------------------------|__orange_____|

PLEASE CONECT THE WIRES TO WHAT THAY ARE SUPOSE TO BE

THANK YOU RICH
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Old 03-11-2003, 03:04 AM   #8
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Have you tried kicking it? Usually works for me.
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Old 03-11-2003, 06:56 PM   #9
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There should be a way to duplicate the Mute button'* signal. We need a 1988 factory manual to show exactly what the signal is (voltage or resistance).

Then you can wire a permanent mute button to the back of the radio and hide it under the dash.
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Old 03-11-2003, 10:32 PM   #10
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good now does anyone know how to do that

late..
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