Ford Neutral Safety Switch; Ford Reverse Light Switch; Backup Light Switch.
The Neutral Safety Switch wires in my 1971 Ford F100 are orange with a blue stripe.
The Reverse, or Backup Light Switch wires are black with a red stripe.
There are two sets of two wires across this combined neutral safety and backup light switch, for a total of 4 wires. Photos are at the end of this post.
The switch for the 1971 Ford F100 pickup truck is the same as in many other years and models. For details, including parts numbers, see the following quote from an expert at Ford Truck Enthusiasts:
http://www.ford-trucks.com/forums/287185-back-up-light-and-neutral-safety-switch-2.html#post5601846
The neutral switch also controls the backup lights, and is the same 1967/77.
C7TZ-7A247-A .. Neutral/Backup Switch (Motorcraft SW-600)
There is no separate backup light switch..except on 1967/68 F350's.
Neutral switch location 1967/77:
The plastic half moon shaped neutral safety switch mounts on the outside lower portion of the steering column (NOT on the transmission!).
It's activated by an inverted Y shaped lever that snaps on the shift tube
D0TZ-7B097-B .. Lever, Neutral Switch Actuator = From FTE sponsor DIRECT FORD PARTS: Ford suggested retail price: $18.72 / FTE member net: $13.23.
The switch is also still available from Ford, but the website is down so I can't post the list & net prices. .
1978 is the FIRST year the F100/350's have the neutral switch mounted on the transmission.
__________________
Bill // Retired Ford Parts Manager // SoCal Chapter member // Part Number Research: 1928/2001 FoMoCo vehicles.
IMAGES
Driver side of the neutral / reverse switch showing the travel slot for the switch arm, the return tensioning spring, and the arm.
The front, steering wheel side of the neutral / reverse switch after removal from the steering column. The switch's two functions are actuated when the lever in the column moves the switch lever shown here to different positions as gears are selecte1971 ford f100 pickup neutral - jim_pivonka_1.jpgg src="/uploads/images/jim_pivonka_1.jpg" alt="jim_pivonka_1.jpg" class="h_mi" />
The neutral switch is installed on the steering column near the firewall, with 5/8" bolts into the steering column (visible hole) and down column from a rectangular opening in the column housing. The actuating lever for the switch is attached to the gear shift shaft inside the housing; the lever is visibly protrudi1971 ford f100 pickup neutral - jim_pivonka_2.jpgng in this image.
Back of neutral / reverse switch, showing the wiring attachments. Black with red stripe is the backup light wiring, Orange with blue stripe is the neutral safety switch, it prevents starting in gears other than neutral & park.
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