67-69 Ignition Switch Insulator (Connector)

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Dana67Dart

The parts you don't add don't cause you no trouble
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Hi all,

I'm in the process of making the 2 style insulators (connectors) for what appears to be all 67-69 Chrysler cars.

MY QUESTION...

on the 68-69 insulator when the tabs are locked onto the switch and the insulator is pressed all the way on is there a gap between the lock tab and the lock on the insulator?

lock tab contacting switch tab
1748014555239.png


Lock tab not contacting the switch tab
1748014618945.png




The 2 types of insulators


67 (figures) is different from 68-69 (might also be the same for 65-66 as they use same ignition switch)
1748016721306.png


68-69 (has the addition of locking tabs)
1748014273971.png





Just a note about the switches...

OEM 67 did not have the ground terminal, OEM 68 seems to have had it and, 69 may not have.


67 no lock tabs on the switch body, 68 and aftermarket have locking tabs on the switch body
1748015185224.png

date codes? left to right 426 - 037 - aftermarket

Note the 67 lock is out of a November built 67 and the date code (assuming the 426 is WWY) would be oct 17-23 1966)
The "68" lock has unknown origins but was removed from a 67 that was a bit of a Frankenstein (68-69 door etc.) and reads Jan 16-22 1967
1748015962620.png


This photo shows a 69 without a ground terminal (Why do 68 & 69 dart iginition switches have different # ground plug ins?)
1748015305097.png


The Factory Parts book from 67-69 shows 67 is one part number, 68 is a different part number and 69 Is a 3rd different part number BUT the same switch was used over the Chrysler car lines each year (A,B,C etc. all used the same switch for a particular year)

In my research I have not come across a wiring diagram that uses the Ground terminal but the 68 up insulator has a provision for it.

ALSO note: the 68 Plymouth FSM wiring diagram for Valiant only shows the ACC and the IGN2 pin out reversed (I believe it is a misprint) the same switch is used on all car lines that year and if the car was wired that way the ignition ballast by-pass would be hot if the key was turned to ACC position and none of the accessories would work. When the key was in the start position the accessories would work and the ballast bypass would not get any power.

Not to mention all other wiring diagrams in that FSM show the key wired correctly.
 

1st prototype
PXL_20250523_153206973.jpg


Latest revision!
A little nip here a little tuck there!
PXL_20250524_051940740.jpg


Much more elegant
 
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