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1961 - 1966 F-100 & Larger F-Series Trucks Discuss the Slick Sixties Ford Truck

C-O-M Backup Switch

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Old Jul 15, 2019 | 03:44 PM
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TheCustomCab
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C-O-M Backup Switch

I have a '66 250 with a CoM MX trans in it. In the midst of designing a ground up wiring system, non-stock.

Wondering if anyone here has come across a backup switch ('67 or later) being retrofit onto this transmission? I have the original neutral safety switch, but I'm considering the additional function the other circuits would provide.

Thanks in advance

CC
 
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Old Jul 20, 2019 | 12:18 AM
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NumberDummy
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Originally Posted by TheCustomCab
I have a '66 250 with a CoM MX trans in it. In the midst of designing a ground up wiring system, non-stock.

Wondering if anyone here has come across a backup switch ('67 or later) being retrofit onto this transmission? I have the original neutral safety switch, but I'm considering the additional function the other circuits would provide.

Thanks in advance

CC
No backup lamps until 1967. Backup lamps with A/T work thru the neutral safety switch.

1967 F100/350 352 with MX Cruise-O-Matic use a different NSS than 1965/66.

1967/77 F100/350 use the same NSS w/C4/C6 & MX C-O-M = C7TZ-7A247-A (Motorcraft SW-600).
 
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Old Aug 2, 2019 | 09:28 PM
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TheCustomCab
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From: Burbank, CA
Thanks Bill!
 
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