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  • headlight/key warning buzzer??

    1991 Chevrolet Truck.
    When you leave the lights on with the truck off, or the key in the ignition and open the door, you should get a warning buzzer to remind you not to be a dumb [censored]. Since I've had to have a few jumps when trying to leave the airport after a few trips it's obvious I am, and it doesn't work to remind me of that fact.
    I've got the Service manual but I can't for the life of me find out why, or even what circuit it's on.
    I've looked at headlights, electrical circuits, ignition, but can't find it in the schematics or trouble shooting guide. Even a bit of googling, and parts lookups on rockauto but no luck.
    Any hints?
    ken

  • #2
    Re: headlight/key warning buzzer??

    I don't believe these trucks ever had them. My 97 doesn't at least. Although on my previous cars it did and boy is it useful . Maybe someone has installed one somehow.

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    • #3
      My 92 has the feature. Maybe it is an option or maybe it was disabled. I know many work trucks get the feature disabled at my work.

      Sent from my HTC One X using Tapatalk 2

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      • #4
        Re: headlight/key warning buzzer??

        I think its a litle round buzzer right beside the flasher blocks in the fuseboard. Someone may have broken it cause it was annoying.
        DD -07 Illverado, 5.3, Airaid, 4/6 mcgaughys deluxe drop, HID projectors, LED in/out, colormatched ext/int, chrome U2 55 24x10, 15% over factory, rollpan, RST spoiler, lots of mods

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        • #5
          Re: headlight/key warning buzzer??

          Originally posted by woosterken View Post
          1991 Chevrolet Truck.
          When you leave the lights on with the truck off, or the key in the ignition and open the door, you should get a warning buzzer to remind you not to be a dumb [censored]. Since I've had to have a few jumps when trying to leave the airport after a few trips it's obvious I am, and it doesn't work to remind me of that fact.
          I've got the Service manual but I can't for the life of me find out why, or even what circuit it's on.
          I've looked at headlights, electrical circuits, ignition, but can't find it in the schematics or trouble shooting guide. Even a bit of googling, and parts lookups on rockauto but no luck.
          Any hints?
          ken
          There's an "Audio Alarm Module" on my 1998 that controls the key/lights buzzer. Whether it's the same as a 1991, I really couldn't say, but yours may have been removed by someone tired of hearing the noise. On a 98, it's plugged in under the dash near the parking brake pedal. It's #2 on this diagram:

          Last edited by east302; 11-02-2012, 04:17 PM.
          1998 Chevrolet Z71, 350 auto
          1998 Tahoe 2-door Sport
          2004 GMC Yukon XL

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          • #6
            Re: headlight/key warning buzzer??

            Originally posted by steven1193 View Post
            I don't believe these trucks ever had them. My 97 doesn't at least. Although on my previous cars it did and boy is it useful . Maybe someone has installed one somehow.
            Both my 94 and 96 have them
            94 K1500 5.7L RCLB
            96 C1500 4.3L RCLB
            04 Harley Sportster 1200 Custom

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            • #7
              Re: headlight/key warning buzzer??

              My '95 has it too, and it's a base model Cheyenne

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              • #8
                Re: headlight/key warning buzzer??

                My '88 has it. Next time I get a chance I'll try to see where it is on mine,
                78 Camaro - ?03k||88 MCSS - tired 305|built 2004R|G80 GT4|197k||92 Camaro RS - LT1|700R4|2.73|139k
                77 C10 Custom Deluxe RCLB - 305|TH350|F44
                88 K2500 Scottsdale RCLB - knocking L05|HM290|G80 GT4|posi-lok|LEDs!|300k+
                97 K3500 Silverado RCLB - L29|4L80E|0411|LS6 injectors|BB Tune|G80 GT5|250k

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                • #9
                  Re: headlight/key warning buzzer??

                  Originally posted by east302 View Post
                  There's an "Audio Alarm Module" on my 1998 that controls the key/lights buzzer. Whether it's the same as a 1991, I really couldn't say, but yours may have been removed by someone tired of hearing the noise. On a 98, it's plugged in under the dash near the parking brake pedal. It's #2 on this diagram:

                  It's in the exact same spot on the 88-94s. Probably going to have to find one in a salvage yard to replace yours, though. I've personally not been able to find them new anywhere.

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                  • #10
                    Re: headlight/key warning buzzer??

                    My 96 Z71 had it removed by a previous owner. I use the switched ignition power from the spot where it plugs into to power my amp.

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                    • #11
                      Re: headlight/key warning buzzer??

                      Thanks guys for correcting me. Apparently i'm supposed to have it. I'll look at mine and see if its missing or broken.

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                      • #12
                        Re: headlight/key warning buzzer??

                        Check the center and overhead consoles, that's where the previous owner left mine (disconnected of course!). I like that I still have it, but no plans on reconnecting it.
                        Its just a little plastic box with some fuse type plugs on one end, for my 99 anyway.

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                        • #13
                          Re: headlight/key warning buzzer??

                          I have pulled all mine out they have so far been located under the dash by your left foot in the big cluster of wireson the left side of the block its a big plastic POS if any body needs one iwill be more that happy to send you one PM me

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