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74 Javelin trans pressure switch wiring?

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BU1 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BU1 Quote  Post ReplyReply Direct Link To This Post Posted: Jan/21/2023 at 7:59pm
Cam, I think garweb3 was referring to the sending unit attached to the steel line.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote CamJam Quote  Post ReplyReply Direct Link To This Post Posted: Jan/21/2023 at 8:46pm
Originally posted by BU1 BU1 wrote:

Cam, I think garweb3 was referring to the sending unit attached to the steel line.

Ah, right you are.  My bad.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 6PakBee Quote  Post ReplyReply Direct Link To This Post Posted: Jan/22/2023 at 7:16am
Originally posted by 401MATCOUPE 401MATCOUPE wrote:

Roger...that is original and stock, part of emissions scheme using transmission pressure to vary timing.  Earlier versions used speedometer speed, that had a speed transducer between the trans speedometer gear adapter and the cable.... 


Gotcha, Mopar used the transmission driven speed switch for the TCS control.  This approach is totally, totally, foreign to me.  Thanks for the clarification.  Where is that plumbed into the transmission?


Edited by 6PakBee - Jan/22/2023 at 10:01am
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Post Options Post Options   Thanks (0) Thanks(0)   Quote garweb3 Quote  Post ReplyReply Direct Link To This Post Posted: Jan/22/2023 at 3:50pm
Actually I was just showing the complete assembly so the original poster would have some idea what he is missing.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote RMartinez Quote  Post ReplyReply Direct Link To This Post Posted: Jan/22/2023 at 10:35pm
Originally posted by garweb3 garweb3 wrote:

This is what the sender looks like on my 74 AMX w/360 auto.

Thank you very much! Where does the harness come from that's plugged into the vacuum module? Mine is a rats nest..
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Post Options Post Options   Thanks (1) Thanks(1)   Quote garweb3 Quote  Post ReplyReply Direct Link To This Post Posted: Jan/23/2023 at 3:50pm
It doesn't show well in the picture but there is only  one orange wire that comes from a plug hanging on the firewall behind the heater hose you see. The orange wire comes from that plug into the vacuum module and back out to the sender.

Edited by garweb3 - Jan/23/2023 at 3:53pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote WhatISit Quote  Post ReplyReply Direct Link To This Post Posted: Jan/29/2023 at 11:32pm
Is any of this stuff actually necessary for normal use? I was looking at the neutral safety switch harness for my '73 Javelin (California car) and it has the same stuff. 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote WhatISit Quote  Post ReplyReply Direct Link To This Post Posted: Jan/31/2023 at 10:38pm
From what I can tell on my hour or so of Google searches, the TCS stuff is not necessary for normal use. Unless you have to pass emissions maybe.
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