Notices
1973 - 1979 F-100 & Larger F-Series Trucks Discuss the Dentsides Ford Truck
Sponsored by:
Sponsored by: Moser

Neutral Safty switch

Old Mar 27, 2015 | 10:10 PM
  #1  
Misouri's Avatar
Misouri
Thread Starter
|
Junior User
Joined: Feb 2013
Posts: 53
Likes: 0
Neutral Safty switch

Hey guys i wondering if you could help. I pull my 302 fmx from the p o. It was hacked up to begain with. So a 400 c6 went back in. I did nt mark the neutral safety switch. I ve looked at wiring diagrams, but I can t find what plug it is. Anyone know the color of wires or and the plug? Thanks
 
Reply
Old Mar 27, 2015 | 10:22 PM
  #2  
Misouri's Avatar
Misouri
Thread Starter
|
Junior User
Joined: Feb 2013
Posts: 53
Likes: 0
Sorry it s a 77
 
Reply
Old Mar 27, 2015 | 10:36 PM
  #3  
bkaul's Avatar
bkaul
Posting Guru
Joined: Aug 2010
Posts: 1,761
Likes: 8
From: Knoxville, TN
Does the FMX even have a transmission-mounted switch? I just pulled the 302/FMX the PO had in there out of mine, and my NSS is in the steering column on my '74 ... don't recall seeing any provision for it on the FMX, though I could've missed it. And there's no reason you would've removed a column-mounted switch when swapping, right?
 
Reply
Old Mar 27, 2015 | 10:54 PM
  #4  
Misouri's Avatar
Misouri
Thread Starter
|
Junior User
Joined: Feb 2013
Posts: 53
Likes: 0
Should have added the trucks a 77 and the engine and tranny is a 81, the trans has two wires with a plug that reaches up around the brake booster. Do I need to have it connected for my truck to start and have back up lights
 
Reply
Old Mar 27, 2015 | 11:19 PM
  #5  
77&79F250's Avatar
77&79F250
Moderator & parts slinger
Veteran: Army
15 Year Member
Community Builder
Liked
Joined: Feb 2007
Posts: 50,186
Likes: 5,792
From: S/W Missouri, Polk county
Club FTE Gold Member
Does you truck have a neutral safety switch on the underside of the steering column?

Read up on NSS /back up lights here. https://www.ford-trucks.com/forums/1...easy-wire.html

Steering column switch looks like this, well sort of. It is normally attached to the columb 9R/H pic) and not hanging from a zip tie and have a screw in it. AKA red neck NSS bypass.
 
Attached Images     
Reply
Old Mar 27, 2015 | 11:40 PM
  #6  
Misouri's Avatar
Misouri
Thread Starter
|
Junior User
Joined: Feb 2013
Posts: 53
Likes: 0
I can not find anything under the dash, I did change the column to a 79 tilt if that makes a difference
 
Reply
Old Mar 28, 2015 | 04:25 PM
  #7  
Misouri's Avatar
Misouri
Thread Starter
|
Junior User
Joined: Feb 2013
Posts: 53
Likes: 0
But I wondering what wires I need from the truck for the n s s
 
Reply
Old Mar 30, 2015 | 02:48 PM
  #8  
I_Am_Ozymandias's Avatar
I_Am_Ozymandias
New User
Joined: Jun 2011
Posts: 18
Likes: 0
Mine had been moved by the P.O. but the plug from my 76 F100 was located behind the instrument panel/gauge cluster towards the left side. Almost in between the gauge cluster, and the wiper switch.

Mine looks exactly like this:


One wire you can easily find is coming from the back of your keyed ignition switch. RED wire with BLUE Stripe. This wire goes from the ignition, straight over to the Neutral Safety Switch plug. If you have a wire probe, and a continuity tester you can run it down in short order.
 
Reply
FTE Stories

Ford Trucks for Ford Truck Enthusiasts

story-0

Rezvani's Latest Post-Apocalytic Monster Is a Ford F-150 Raptor Underneath

 Verdad Gallardo
story-1

Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer

 Joe Kucinski
story-2

2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)

 Brett Foote
story-3

Top 10 Ford Truck Tragedies

 Joe Kucinski
story-4

AEV FXL Super Duty - the Super Duty Raptor Ford Doesn't Make

 Brett Foote
story-5

Lobo Vs Lobo: Proof the F-150 Lobo Should Be Even Lower!

 Michael S. Palmer
story-6

Ford's 2001 Explorer Sportsman Concept Looks For a New Home

 Verdad Gallardo
story-7

10 Best Ford Truck Engines We Miss the Most!

 Joe Kucinski
story-8

2026 Shelby F-150 Off-Road: Better Than a Raptor R?

 Brett Foote
story-9

2027 Super Duty Carhartt Package First Look: 12 Things You NEED to Know!

 Michael S. Palmer
Old Mar 30, 2015 | 05:30 PM
  #9  
Misouri's Avatar
Misouri
Thread Starter
|
Junior User
Joined: Feb 2013
Posts: 53
Likes: 0
Ok thanks for the help I'll try looking
 
Reply
Old Mar 31, 2015 | 06:45 AM
  #10  
mikeo0o0o0's Avatar
mikeo0o0o0
Hotshot
15 Year Member
Liked
Loved
Community Favorite
Joined: Apr 2009
Posts: 14,333
Likes: 247
From: Stanley, VA
Club FTE Gold Member
Since your truck is a '77, look under the dash, around the steering column. There should be a flat 4 wire connector that looks similar to a trailer light plug. It will have four wires going to it, two red w/ blue trace and two black w/ red trace. This will be the connector for the neutral start switch. Two of the wires are for the neutral start circuit and the other two are for the back up lights.
Just so you know, in '78 Ford moved the NSS to the side of the transmission. It surrounds the shift arm.
 
Attached Images  
Reply
Old Mar 31, 2015 | 10:01 AM
  #11  
Misouri's Avatar
Misouri
Thread Starter
|
Junior User
Joined: Feb 2013
Posts: 53
Likes: 0
Ok thanks so how would I make it work my tranny only has two wires from it
 
Reply
Old Mar 31, 2015 | 10:13 AM
  #12  
mikeo0o0o0's Avatar
mikeo0o0o0
Hotshot
15 Year Member
Liked
Loved
Community Favorite
Joined: Apr 2009
Posts: 14,333
Likes: 247
From: Stanley, VA
Club FTE Gold Member
Originally Posted by Misouri
Ok thanks so how would I make it work my tranny only has two wires from it
Sounds like someone may have cut off two of the wires, there should be four. Take a close look at the switch and see if there weren't originally four wires. If that's the case you'll need to replace the switch. After that, you can lengthen the wires and run them to the plug under the dash
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
AKCorinna
1997 - 2006 Expedition & Navigator
5
Sep 8, 2015 02:52 PM
g-man-75
1973 - 1979 F-100 & Larger F-Series Trucks
6
Jul 28, 2014 08:53 AM
1981fordstepside
1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks
15
May 14, 2014 05:21 AM
rwlacks
Electrical Systems/Wiring
4
Nov 24, 2008 10:47 PM
RAILMAN
1973 - 1979 F-100 & Larger F-Series Trucks
11
Mar 14, 2001 11:25 PM


Thread Tools
Search this Thread

All times are GMT -5. The time now is 01:34 PM.

story-0
Rezvani's Latest Post-Apocalytic Monster Is a Ford F-150 Raptor Underneath

Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.

By Verdad Gallardo | 2026-05-30 18:33:59


VIEW MORE
story-1
Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer

Slideshow: 10 most expensive Ford trucks ever sold on Bring a Trailer.

By Joe Kucinski | 2026-05-27 16:24:34


VIEW MORE
story-2
2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)

Here's everything that has changed for the latest model year.

By Brett Foote | 2026-05-27 16:17:28


VIEW MORE
story-3
Top 10 Ford Truck Tragedies

Slideshow: Top 10 Ford truck tragedies.

By Joe Kucinski | 2026-05-18 19:34:33


VIEW MORE
story-4
AEV FXL Super Duty - the Super Duty Raptor Ford Doesn't Make

And it might be even better than that.

By Brett Foote | 2026-05-18 19:26:42


VIEW MORE
story-5
Lobo Vs Lobo: Proof the F-150 Lobo Should Be Even Lower!

Slideshow: Does lowering an F-150 Lobo RUIN the ride quality?

By Michael S. Palmer | 2026-05-18 19:20:37


VIEW MORE
story-6
Ford's 2001 Explorer Sportsman Concept Looks For a New Home

Slideshow: Ford's bizarre fishing-themed Explorer concept has resurfaced after spending decades largely forgotten.

By Verdad Gallardo | 2026-05-12 18:07:46


VIEW MORE
story-7
10 Best Ford Truck Engines We Miss the Most!

Slideshow: The 10 best Ford truck engines we miss the most.

By Joe Kucinski | 2026-05-12 13:09:47


VIEW MORE
story-8
2026 Shelby F-150 Off-Road: Better Than a Raptor R?

Slideshow: first look at the 810 hp 2026 Shelby F-150 Off-Road!

By Brett Foote | 2026-05-12 12:50:07


VIEW MORE
story-9
2027 Super Duty Carhartt Package First Look: 12 Things You NEED to Know!

Slideshow: Everything You Need to Know about the 2027 Super Duty Carhartt Package!

By Michael S. Palmer | 2026-05-07 17:51:06


VIEW MORE