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76 D100 door buzzer thingy! #2661303
06/01/19 06:56 PM
06/01/19 06:56 PM
Joined: Jun 2004
Posts: 767
NW PA
V10nacuda Offline OP
super stock
V10nacuda  Offline OP
super stock

Joined: Jun 2004
Posts: 767
NW PA
I hope Im not being to technical sounding. grin Trying to wrap up a wiring nightmare on my kids newly-acquired D100 . I have never seen a dash harness wire harness and engine harness hacked so much with tape, wire nuts and some just Twisted wires. Got charging system straightened out and the heater motor working. All of a sudden I noticed intermittently it sounds like a door buzzer under the dash. I have never had one of these new or ever had a old truck like this that actually had a door buzzer that works. What exactly is that makes that buzzer go off?

Is it just seat belts or key in ignition or combination thereof?

Thanks
V10

Re: 76 D100 door buzzer thingy! [Re: V10nacuda] #2661332
06/01/19 08:28 PM
06/01/19 08:28 PM
Joined: Jan 2011
Posts: 15,713
Central Florida
larrymopar360 Offline
Stud Muffin
larrymopar360  Offline
Stud Muffin

Joined: Jan 2011
Posts: 15,713
Central Florida
My '79 W150 has a buzzer when the key is turned forward to on position before starting. If I remember correctly, it's about 15 seconds, then stops. I'd have to check that. Is your key always turned on when this intermittent buzzing is happening?


Facts are stubborn things.
Re: 76 D100 door buzzer thingy! [Re: larrymopar360] #2661365
06/01/19 10:21 PM
06/01/19 10:21 PM
Joined: Sep 2003
Posts: 7,828
east side of Ohio
basketcase Offline
master
basketcase  Offline
master

Joined: Sep 2003
Posts: 7,828
east side of Ohio
not sure when it started, but they started having buzzers for seatbelts, lights on (when the ignition was off)


Dave


1981 Dodge D150 360 auto
Re: 76 D100 door buzzer thingy! [Re: basketcase] #2661396
06/02/19 12:32 AM
06/02/19 12:32 AM
Joined: Jan 2003
Posts: 16,803
Between Houston & Galveston TX
SattyNoCar Offline
Smarter than no class Flappergass by a mile
SattyNoCar  Offline
Smarter than no class Flappergass by a mile

Joined: Jan 2003
Posts: 16,803
Between Houston & Galveston TX

I have my old Haynes manual that has a wiring diagram for '75-'78 models. It does show a relay and buzzer as well as a seat belt switch.

I don't have a scanner so I tried to take a few pics. On page 3 of 4, the relay and buzzer is top right. On page 4 of 4, the seat belt switch is top left. It's not clear where they are located, but hopefully this will help.

wire1.jpgwire2.jpgwire3.jpg

John

The dream is dead, long live the dream.......😥
Re: 76 D100 door buzzer thingy! [Re: SattyNoCar] #2661743
06/03/19 08:19 AM
06/03/19 08:19 AM
Joined: Jun 2004
Posts: 767
NW PA
V10nacuda Offline OP
super stock
V10nacuda  Offline OP
super stock

Joined: Jun 2004
Posts: 767
NW PA
Thanks Satillite73!
I was trying to use a partial 79 schematic, alot of the wiring Im sure is the same but wire colors are different I didnt notice it had a buzzer circuit until until a day after I put it back togeather and the seat in it. I don't know about everyone else trying to get my fat backside under the dash sux!.

Re: 76 D100 door buzzer thingy! [Re: V10nacuda] #2662016
06/03/19 09:22 PM
06/03/19 09:22 PM
Joined: Jan 2003
Posts: 10,486
Freeport IL USA
poorboy Offline
I Live Here
poorboy  Offline
I Live Here

Joined: Jan 2003
Posts: 10,486
Freeport IL USA
I have a 39 Dodge (a very small cab to start with) with a 97 wiring harness complete with the computer, and the truck has bucket seats in it.

Though its not easy, I would much rather deal with getting under the dash on your 76 D100 then getting under the dash of my 39 Dodge pickup. It was much easier to deal with before the seats and seat brackets were installed. Old age, over weight, and not nearly as flexible as I was in younger days does take a toll. Gene

Re: 76 D100 door buzzer thingy! [Re: poorboy] #2662128
06/04/19 08:32 AM
06/04/19 08:32 AM
Joined: Jan 2008
Posts: 2,196
ILLINOIS
V
volaredon Offline
top fuel
volaredon  Offline
top fuel
V

Joined: Jan 2008
Posts: 2,196
ILLINOIS
Rip that buzzer out and put it into File 13/round file

Re: 76 D100 door buzzer thingy! [Re: volaredon] #2662292
06/04/19 04:09 PM
06/04/19 04:09 PM
Joined: Jun 2004
Posts: 767
NW PA
V10nacuda Offline OP
super stock
V10nacuda  Offline OP
super stock

Joined: Jun 2004
Posts: 767
NW PA
File 13 it is! No more using the battery disconnect!







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