1st Generation 1964 1/2 - 1973 - Questions & general discussions that apply to a specific year > 1970 Mustang

hazard button on 1970 turn signal wiring harness

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RocketScientist:
I have two turn signal wiring harnesses for my Nov 15, Dearborn 1970 B2 (std interior) and they have different knobs/buttons that activate the emergency hazard lights. One has a square tab (off a Dec 69 Grande) and the other has a round button (off a Mar 70 6-cylinder).

I was wondering if this was due to a production change or if there is one specific to my car.

J_Speegle:
First thing that comes to mind is the possibility of it being a service replacement turn signal switch is the reason for the difference. Noticed this years ago...... and allot of the switches have been replaced over the years. But will look through my pictures while at the same time we'll get input from others. Guessing Ed would know

J_Speegle:
Ok checked my files and I was surprised the number of shots I had with this detail since I don't normally take many interior shots of cars.

What I found focusing only on 70 Dearborn built examples

The T style with the writing on style of knob I found only  0F14273x (Possible Dec build) & 0F170xxx (Possible April build)

The round knob style I found through out the production year. Earliest 0F10173x (likely first month car) to the latest of 0F20215x (Possible June build) Some have possible build dates between the two vins posted with the T style knobs mentioned above which

Did not include restored cars but since this a commonly service part the chances of some of my examples having been changed out exists.


0F10173x - Round
0F10301x - Round
0F10865x - Round
0F11764x - Round
0F12017x - Round
0F12303x - Round
0F12291x - Round
0F13002x - Round
0F14098x - Round
0F14273x - T
0F1516xx - Round
0F157xxx - Round
0F170xxx - T
0F170xxx - Round
0R17366x - Round
0F17465x - Round
0F20215x - Round

RocketScientist:
I did not consider that one might be a service replacement. The round knob style has all the paper tags still attached but the T-style switch has no identifying tags (despite looking in good condition) and this may lend weight to your theory.

cobrajet_carl:
Tilt switch is different from fixed. All of my original tilt switches have round knobs, but they are before 1/1/70. Service switches have rectangular.

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