Question about 1993 Chevrolet K1500

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1993 DELCO RADIO

The AM/FM Delco radio on my 1993 chev pickup is locked on 1:00 time and
98.1 FM. This does not appear to be an anti theft condition that I have read about, but it did happen after prolonged cranking & boosting. Can anyone advise me on this?

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  • sapphirekrc Oct 04, 2008

    Radio for 1993 Chevrolet pickup locked up on 1:00 and 98.1. Tried installing different factory radio for 1993 chevrolet pickup and had exact same problem. Any solutions?

  • yamaracer21 Jan 11, 2009

    i have the same exact problem, same truck and year, did you every figure yours out?

  • ladyvolsfan1 Jan 26, 2009

    I have a 1989 Chevy C1500, same problem for years.  Radio runs sometimes fine, but mostly the clock and radio just get stuck.  I can also hear the engine through the speakers as I increase the RPM's.  

  • icbkoperator Feb 09, 2009

    93 Chevy Silverado with same prob. Disconnected battery and still no love.

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  • Master
  • 1,450 Answers

Try unhooking battery for a few minutes and see if this resets radio

Posted on Sep 22, 2008

2 Suggested Answers

  • 1 Answer

SOURCE: The am/fm Delco radio on

I have the same issue. I removed the reciever box (16147075) which is located under the dash right behind the ashtray. They hooked up another GM radio and it work. So I am going to replace the reciever box. Here is a pictuce of it.
http://www.oem-auto-accessory.com/receiver_box.html

Posted on Sep 08, 2010

6ya6ya
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Posted on Jan 02, 2017

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When you disconnect your battery and then reconnect it again, it disables the radio. This is an anti-theft protection for your car radio.
The enable your radio the activation code is in your vehicle owner's manual. If you do not have this code you need to go to your vehicle manufacturer's service centre and get them to enter this code for you.

Feb 15, 2013 | Cars & Trucks

1 Answer

The am/fm Delco radio on my 1993 chev pickup is locked on 1:00 time and 98.1 fm. This does not appear to be an anti theft condition that I have read about but it did happen after prolonged cranking &...


I have the same issue. I removed the reciever box (16147075) which is located under the dash right behind the ashtray. They hooked up another GM radio and it work. So I am going to replace the reciever box. Here is a pictuce of it.
http://www.oem-auto-accessory.com/receiver_box.html

Sep 03, 2010 | 1993 Chevrolet K1500

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I am locked out of my Monsoon Radio and do not know the code to inlock it. I don't even remember having a code! VIN 2G1FP22K822133731 MODEL 10306067 SERIAL # 89DHZDM213395405 2002 Camaro Monsoon CD Player...


Radio code is specific for each and every car. It is specific like anti theft code.

So yu can get it by providing your VIN# and registration details in authorised suzuki dealership.Nobody else can provide you. If anybody can provide you that , then there is no meaning of security for your car.

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Default code to unlock factory radio in a 2000


How to Reset GM Theft lock Radio's
Article Disclaimer: This article is meant to be used by Delco Radio owners to reset there radios. In no way is it meant to be used for any unethical or unlawful ways.

Purpose
The following instructions will allow you to reset any GM (General Motors), Cadillac, Oldsmobile, Buick, Pontiac theft lock radio.

Requirements
The theft lock radio must be in "LOC" mode.

Procedure:
1. Turn the ignition ON (The radio should display "LOC")
2. Hold down the Radio Presets 2 and 3 buttons for six seconds
3. The radio display changes from LOC to a three-digit number. Write this number down. You now have fifteen seconds to complete the next step.
4. Press the AM/FM button
5. The radio display changes to another three-digit number. Write this number to the right of the first one
6. You now have a six-digit number, the first three digits are from STEP 03 and the last three digits are form STEP 05
7. Call 1-800-537-5140
8. Press 1 then # (pound). You'll hear "Invalid Code, try again"
9. Press 139010 or 106010 or 206010 or 202107 then # (pound). You will be asked to enter your four or six digit code followed by *
10. Enter the number from STEP 6 then *
11. Listen to the four-digit number and write it down. It will be repeated twice
12. Turn the ignition ON (The radio displays LOC)
13. Use the MN and HR buttons to enter the code from STEP 11
14. Press the AM/FM button. The radio display changes to "SEC". Your radio is now "un-locked" and usable.

Dealership Codes
139010
106010
206010
202107

Troubleshooting
If you fail to enter the correct code eight times, the radio goes into INOP mode. You have to wait an hour with the ignition on before the radio returns to LOC mode.

To Read the original article or read similar articles please visit kingbain.com/how-to/unlock-gm-theftlock-radio-s

Good luck (remmeber comment and rated this).

May 05, 2010 | 2000 Chevrolet Silverado

1 Answer

When i try to turn my radio on it says loc hoow do i unlock it?


Does your GM car or truck Radio display LOC and does not turn on? Chevrolet, Buick, Pontiac, GMC, Cadillac, Oldsmobile vehicles used a theft system to lock the radio when power is lost. This system was used from the ealy 1990's to the early 2000's.

Instructions:
  1. If your radio displays the word LOC, you can retrieve a set of factory numbers in the radio that enable you to get a backup unlock code. If the radio says INOP, you will have to leave the key in the "ON" position, or let the car run for at least 1 hour before you attempt any unlock procedure. INOP means a secondary theft lock due to too many false attempts to unlock the radio.
  2. Looking at the face of your GM Delco radio, hold down the preset buttons 1 & 4 OR 2 & 3 (Depending on year and model) for approximately 10 seconds or until a set of 2 or 3 numbers comes up on the display. Write the numbers down.
  3. Next press the AM / FM button. A new set of 3 numbers will now show. Write these numbers down. You will then need to call a 1-800 phone number with these numbers to get the unlock code. There are many sites on the internet that can get it for you- for a small fee. Or, try calling your local GM Dealer and ask for them to do it. Many times they will do it for free. It only takes a minute.
  4. Once you have the unlock code, enter it by pressing the MIN button until the display shows the last 2 digits of the unlock code, then press the HR button until the first 2 numbers or shown. Then press the AM / FM button to enter the code. The radio will now display SEC, and normal function is restored.
Also, its possible that you need RESET your GM Radio; this is the procedure: While performing maintenance on your car, you may disconnect the radio from the battery in your GM vehicle. GM cars contain Delco radios that are protected by Theftlock, which locks the radio after it has been disconnected from a power source. Iit can only be reset and unlocked with a car-specific security code. Identifying the security code for your GM vehicle is the only way to reset the car radio and disable the Theftlock protection device.

Instructions:
  1. Turn on your car. Your Delco radio will show "LOC" in the LED display.
  2. Press and hold down both the second and third preset buttons. Hold these buttons down for at least six seconds.
  3. Write down the two- or three-digit code that appears in the LED display.
  4. Press the AM/FM button on the radio.
  5. Write down the next two- or three-digit code that appears in the LED display. You should be left with either a four- or six-digit number. Turn off your car.
  6. Call the Delco radio automated customer support line at 1-800-537-5140.
  7. Press "1" and then press the pound sign. The automated voice should respond "Invalid code, try again."
  8. Enter the number 139010 into your phone and then press the "*" sign.
  9. Enter the four- or six-digit number you wrote down from Steps 3 and 5, and then press the "*" button.
  10. Write down the four-digit code given by the automated voice.
  11. Turn on your car. Enter the Delco unlock code using the procedure outlined by your GM owner's manual. Normally, the unlock code is entered with the "HR" and "MN" buttons on your radio.
  12. Press the AM/FM button. If you have entered the code correctly, your LED display will read "SEC" and the radio will be unlocked.

Also can check your Does your GM car or truck Radio display LOC and does not turn on? Chevrolet, Buick, Pontiac, GMC, Cadillac, Oldsmobile vehicles used a theft system to lock the radio when power is lost. This system was used from the ealy 1990's to the early 2000's.
jQuery('.intro .thumbnail').each(function(i,e){ jQuery(e).find('img').one('error',function(){ jQuery(e).remove(); }); });
Instructions:
  1. If your radio displays the word LOC, you can retrieve a set of factory numbers in the radio that enable you to get a backup unlock code. If the radio says INOP, you will have to leave the key in the "ON" position, or let the car run for at least 1 hour before you attempt any unlock procedure. INOP means a secondary theft lock due to too many false attempts to unlock the radio.
  2. Looking at the face of your GM Delco radio, hold down the preset buttons 1 & 4 OR 2 & 3 (Depending on year and model) for approximately 10 seconds or until a set of 2 or 3 numbers comes up on the display. Write the numbers down.
  3. Next press the AM / FM button. A new set of 3 numbers will now show. Write these numbers down. You will then need to call a 1-800 phone number with these numbers to get the unlock code. There are many sites on the internet that can get it for you- for a small fee. Or, try calling your local GM Dealer and ask for them to do it. Many times they will do it for free. It only takes a minute.
  4. Once you have the unlock code, enter it by pressing the MIN button until the display shows the last 2 digits of the unlock code, then press the HR button until the first 2 numbers or shown. Then press the AM / FM button to enter the code. The radio will now display SEC, and normal function is restored.
Also, its possible that you need RESET your GM Radio; this is the procedure: While performing maintenance on your car, you may disconnect the radio from the battery in your GM vehicle. GM cars contain Delco radios that are protected by Theftlock, which locks the radio after it has been disconnected from a power source. Iit can only be reset and unlocked with a car-specific security code. Identifying the security code for your GM vehicle is the only way to reset the car radio and disable the Theftlock protection device. jQuery('.intro .thumbnail').each(function(i,e){ jQuery(e).find('img').one('error',function(){ jQuery(e).remove(); }); });
Instructions:
  1. Turn on your car. Your Delco radio will show "LOC" in the LED display.
  2. Press and hold down both the second and third preset buttons. Hold these buttons down for at least six seconds.
  3. Write down the two- or three-digit code that appears in the LED display.
  4. Press the AM/FM button on the radio.
  5. Write down the next two- or three-digit code that appears in the LED display. You should be left with either a four- or six-digit number. Turn off your car.
  6. Call the Delco radio automated customer support line at 1-800-537-5140.
  7. Press "1" and then press the pound sign. The automated voice should respond "Invalid code, try again."
  8. Enter the number 139010 into your phone and then press the "*" sign.
  9. Enter the four- or six-digit number you wrote down from Steps 3 and 5, and then press the "*" button.
  10. Write down the four-digit code given by the automated voice.
  11. Turn on your car. Enter the Delco unlock code using the procedure outlined by your GM owner's manual. Normally, the unlock code is entered with the "HR" and "MN" buttons on your radio.
  12. Press the AM/FM button. If you have entered the code correctly, your LED display will read "SEC" and the radio will be unlocked.

Also can check 1999-Pontiac-Firebird-Owners-Manual (page 163), there are several information about to lock and unlock.


Hope this help (remember comment and rated this).

Apr 06, 2010 | 1999 Pontiac Firebird

1 Answer

Unlock my chevy delco radio


shouldnt have to pay notify a chevy dealer in person for code most dealers wont deal with a code problem over phone they dont charge for the code due to the fact that a dead battery can also lock out the radio system into the anti-theft mode

Dec 06, 2009 | 1999 Chevrolet Silverado 1500

1 Answer

I need the unlock codes for a anti theft delco radio 1991 olds 98


have you vin number ready. the dealer always have factory code number

Feb 25, 2009 | Oldsmobile 98 Cars & Trucks

2 Answers

Delco radio in 95 blazer


With key in "on" position, but pickup not started, press the "SET" button and the "channel up" button (aka "TUNE +"). "SET" appears in radio window.

Now the "SEEK" button will increment hours and the "SCAN" button will increment minutes.

Once correct time is set, press "SET" button again to get out of clock set mode. "SET" will disappear from radio window.

Jan 08, 2009 | 1996 Chevrolet Blazer

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Need radio code for 98 grand m ac delco


need radio code for 98 booneville supercharge delco radio

Aug 25, 2008 | 1998 Pontiac Bonneville

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