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Re: I'm able to crank the engine even with unfastened b [Re: In_The_Pink] #56689
06/03/08 10:53 PM
06/03/08 10:53 PM
Joined: Aug 2007
Posts: 6,089
Valencia, España
NachoRT74 Offline OP
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will you start to collect them ? LOL

that's the same PN than the orange box non interlocked unit I have: 3501371


With a Charger born in Chrysler assembly plant in Valencia, Venezuela
Re: I'm able to crank the engine even with unfastened b [Re: NachoRT74] #56690
06/03/08 11:07 PM
06/03/08 11:07 PM
Joined: Oct 2005
Posts: 9,065
Milwaukee, WI
In_The_Pink Offline
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Quote:

will you start to collect them ? LOL

that's the same PN than the orange box non interlocked unit I have: 3501371




This one is PN 3501374

I guess I am collecting them now.

Re: I'm able to crank the engine even with unfastened b [Re: In_The_Pink] #56691
06/04/08 01:04 AM
06/04/08 01:04 AM
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Valencia, España
NachoRT74 Offline OP
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not listed in my 74 Parts catalog.


With a Charger born in Chrysler assembly plant in Valencia, Venezuela
Re: I'm able to crank the engine even with unfastened belts [Re: NachoRT74] #56692
06/04/08 02:19 AM
06/04/08 02:19 AM

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Whoa..before this get's out of hand here.

I have a 74 Chally, seat belt interlock system (just posted another tidbit on another post).

"Pink" is on the right track here. There is a seat belt interlock "brain" module that is attached to the dash wiring system. Mine has alway's been an off white color, never seen a 74 black one. I've alway's just disconnected the seat sensor/switches to overide the whole thing.
(That was back in 1976).

If you are a 74 person, you will know what I'm talking about. It's a one year only thing..and I'm still trying to educate the world on how different 74's were....a one year only thing that was not popular.

Re: I'm able to crank the engine even with unfastened b [Re: D_C] #56693
06/04/08 12:50 PM
06/04/08 12:50 PM
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Milwaukee, WI
In_The_Pink Offline
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Quote:

Agree with above...

Not sure on a '74, but there "may" be a seat weight-sensor that consists of a wire stretched across the underside of each front seat.

It may be broken or the sensor might be broken.

There is also a sensor in the seat-belt connector. It must be linked to a starter interlock.

Do you have the 1974 Dodge Chassis Service Manual? There should be an electrical troubleshooting section.




Is that what this piece is part of? I found this clipped to the seat bottom springs in a Duster:





Re: I'm able to crank the engine even with unfastened b [Re: In_The_Pink] #56694
06/04/08 06:42 PM
06/04/08 06:42 PM
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Posts: 6,089
Valencia, España
NachoRT74 Offline OP
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74Challenger
I already know what is the brain ( control unit ) just got than my blue unit got damaged. I have a couple offered but they are white box. I'm still trying to catch a blue box and if not then will take the white box what suposelly is for manual trannies. However I know that they have been found on auto tranny cars. everytime I catch a 74 underdash harness on ebay, I ask to seller what car and tranny came out.

Pink
yes, thats the seat sensor.

FSM manual for trouble shooting, here is posted the interlock section ( with a link to a video at the end )
http://wichargerguy.proboards101.com/ind...amp;page=1#7583


With a Charger born in Chrysler assembly plant in Valencia, Venezuela
Re: I'm able to crank the engine even with unfastened b [Re: NachoRT74] #56695
06/05/08 12:25 AM
06/05/08 12:25 AM

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i have a couple of those
3746653

Re: I'm able to crank the engine even with unfastened b [Re: In_The_Pink] #56696
06/05/08 12:57 AM
06/05/08 12:57 AM
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San Clemente, ca
enelson Offline
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This was a very cool read for me! Hope you get your interlock situation sorted Nacho! Pink, you rock for being so helpful!

Wish I had any knowledge on 74s, but mine are 66, 68, and I had a 69 so long before interlock.

Good luck!
Eric

Quote:

on

Some people don't understand why others like to keep things the way the factory made it, or even just use factory items that were never on their vehicles. If it's a palin jane Belvedere and someone wants to clone it into a Hemi GTX, people start and saying what a great idea it is. When someone wants to add some obscure factory equipment that isn't flashy, sexy or flavor-of-the-month, they don't understand . isn't for everyone- some people like obscure and unique. I'll help you all I can Nacho, cuz this is the type of thing I enjoy reading about and watching others do. Keep plugging away and you'll get it figured out eventually. Someone might even learn a thing or two reading about what you find.

off



Re: I'm able to crank the engine even with unfastened b #56697
06/05/08 12:35 PM
06/05/08 12:35 PM
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Posts: 6,089
Valencia, España
NachoRT74 Offline OP
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Quote:

i have a couple of those
3746653




theorically a buddy got me one, but get a couple won't be bad, specially because there is no way to test them without a car or the bench tester

PM with price please


BTW yeah I did like Pink's attitude... everybody says GET RID OFF THE INTERLOCK, THAT STUFF IS ANNOYING etc... I want my car working like was from fact, thats the goal on a RESTORATION right ?
If somebody doesn't want the interlock, then trash in to my mail box that. Your garbage could it me my treasure.

Same about cams and torque converter options. Everybody says 3000 stall or kinda off ( oftenly does look an auto response LOL ). But don't take in mind:

-NOT EVERYBODY WANT TO RACE.
-Probably just want a performance plus
-Budget is a part to take in mind


With a Charger born in Chrysler assembly plant in Valencia, Venezuela
Re: I'm able to crank the engine even with unfastened b [Re: NachoRT74] #56698
06/05/08 12:54 PM
06/05/08 12:54 PM
Joined: Jan 2003
Posts: 6,252
Zzyzx Road
beepbeep Offline
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Just a thought, two differnt harnesses were used in '74. Do you have the correct harness?


Amazing how an unchallenged lie can become the absolute truth.
Re: I'm able to crank the engine even with unfastened b [Re: beepbeep] #56699
06/05/08 01:28 PM
06/05/08 01:28 PM
Joined: Aug 2007
Posts: 6,089
Valencia, España
NachoRT74 Offline OP
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wich harness you mean ? the one down the carpet or the underdash one?

If you mean about the undercarpet one actually there are 3 or 4 really. I do have actually two. one without driver seat sensor plug and for bench cars, and the other one with sensors everywhere and for bucket/buddy seats cars

At first instance when I got first the orange box ( non interlocked )I had before matched that box with the the harness without driver seat sensor ( modified the plug to plug the bench setup on to passenger bucket seat sensor and belt buckle ). worked perfect.

Then after I get the right interlocked box ( blue one ) tried to mount this box with the harness I had down the carpet working with orange box. Didn't work properlly...

Then by MAGIC ART ( some ebay seller drop that harness extra maybe accidentally when I was buying the engine harness to hook the reset button ) got the harness with all sensors wires and bucket/buddy seat setup. I got to get working for a week or so the bucket/buddy seat harness with all sensors provisions with the blue box.

I got:
-Crank/start the engine spreading my arm throught the window, without be sat or press the reset button. Dunno if must be on that way. No FSM manual or instruction or any info about if thats is posible or not, If is correct or not. Just ppl experience would it be able to provide that info, but since EVERYBODY GETS RID OFF OF THAT, then not too much ppl able to help

-Once I sat on seat, then no crank engine untill fasten the seatbelt or reset the system. That's how must be

Thats why I think box got damaged suddenly, thinking I made it to work.

Warning advertisement signals ( lights and buzzers ) ARE ACTUALLY WORKING PERFECT, and still.


ANY info about this you have will be great to every 74 owner


With a Charger born in Chrysler assembly plant in Valencia, Venezuela
Re: I'm able to crank the engine even with unfastened b [Re: NachoRT74] #56700
06/05/08 06:31 PM
06/05/08 06:31 PM
Joined: Jan 2003
Posts: 6,252
Zzyzx Road
beepbeep Offline
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Ijust threw the idea out. Unfortunately I do not have any '74 wiring diagrams. If you can find a January 1974 MTSC the entire booklet deals with Seat Belt Starter Interlock.


Amazing how an unchallenged lie can become the absolute truth.
Re: I'm able to crank the engine even with unfastened b [Re: beepbeep] #56701
06/05/08 10:41 PM
06/05/08 10:41 PM
Joined: Aug 2007
Posts: 6,089
Valencia, España
NachoRT74 Offline OP
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I DO have the 74 diagrams, but sensors section of harness file is corrupted and imposible to read


With a Charger born in Chrysler assembly plant in Valencia, Venezuela
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