Switch assembly [E2TZ-12A243-A / DY-363] - NOS

[1986F150Six]

https://www.ebay.com/itm/185025297968?hash=item2b145dfe30:g:dP4AAOSwu4lg5WYG

[Gary Lewis]

12A243 SWITCH ASSY. (IGNITION BAROMETRIC PRESSURE)

Used on these Bullnose trucks:

• CALIBRATION PARTS LIST NO. 182

  (Calibration No. 2-51X-R0)-6 Cyl. 300 C.I.D. (4.9L)

  1982 F100/250 - - M/T-w/Hi-altitude carb.

  1982 U150 — M/T-w/Hi-altitude carb

• CALIBRATION PARTS LIST NO. 273

  (Calibration No. 3-51Z-R0J-6 Cyl. 300 C.I.D. (4.9L)

  1983 F100 — M/T w/Hi—altitude carb.

  1983 F150 — M/T w/Hi—altitude carb.

  1983 F250 - - M/T—U/8500 lb. GVW w/Hi-altitude carb.

  1983 U150 - - M/T W/Hi-altitude carb

• CALIBRATION PARTS LIST NO. 278

  (Calibration No. 3-52V-R0J-6 Cyl. 300 C.I.D. (4.9L)

  1983 E100/250 - - AOT w/Hi—altitude carb.

  1983 F100 - - AOT w/Hi—altitude carb.

  1983 F150 - - 2/W/D-AOT w/Hi-altitude carb

• CALIBRATION PARTS LIST NO. 279

  (Calibration No. 3-52Z-R0)-6 Cyl. 300 C.I.D. (4.9L)

  1983 F100 - - C6 W/Hi-altitude carb.

  1983 F150 — C6 w/Hi-altitude carb.

  1983 F250 - - 2/W/D—C6—U/8500 lb. GVW w/Hi-altitude carb.

  1983 F250 — 4/W/D-C6 w/Hi-altitude carb.

  1983 U150 — C6 w/Hi-altitude carb

[1986F150Six]

12A243 SWITCH ASSY. (IGNITION BAROMETRIC PRESSURE)

Used on these Bullnose trucks:

• CALIBRATION PARTS LIST NO. 182

  (Calibration No. 2-51X-R0)-6 Cyl. 300 C.I.D. (4.9L)

  1982 F100/250 - - M/T-w/Hi-altitude carb.

  1982 U150 — M/T-w/Hi-altitude carb

• CALIBRATION PARTS LIST NO. 273

  (Calibration No. 3-51Z-R0J-6 Cyl. 300 C.I.D. (4.9L)

  1983 F100 — M/T w/Hi—altitude carb.

  1983 F150 — M/T w/Hi—altitude carb.

  1983 F250 - - M/T—U/8500 lb. GVW w/Hi-altitude carb.

  1983 U150 - - M/T W/Hi-altitude carb

• CALIBRATION PARTS LIST NO. 278

  (Calibration No. 3-52V-R0J-6 Cyl. 300 C.I.D. (4.9L)

  1983 E100/250 - - AOT w/Hi—altitude carb.

  1983 F100 - - AOT w/Hi—altitude carb.

  1983 F150 - - 2/W/D-AOT w/Hi-altitude carb

• CALIBRATION PARTS LIST NO. 279

  (Calibration No. 3-52Z-R0)-6 Cyl. 300 C.I.D. (4.9L)

  1983 F100 - - C6 W/Hi-altitude carb.

  1983 F150 — C6 w/Hi-altitude carb.

  1983 F250 - - 2/W/D—C6—U/8500 lb. GVW w/Hi-altitude carb.

  1983 F250 — 4/W/D-C6 w/Hi-altitude carb.

  1983 U150 — C6 w/Hi-altitude carb

I had not seen one, before.