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Where is the neutral Switch?

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Old Mar 13, 2007 | 02:36 PM
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77-400-4x4's Avatar
77-400-4x4
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Where is the neutral Switch?

I have 77 F150 that I just put back together after fixing some insrument panel issues and redoing some shoddy wiring that I had done 10 yrs ago. When I tried to start the truck, I had nothing. I jumped the starter relay and that worked fine. Then I tested the wire that supplies power to the starter relay both at the back of the ignition switch and at the started relay. When I turn the key to the start position, I have power at the back of the ignition switch (red/blue), but not at the starter relay. When looking at the wiring diagram, the only thing inbetween these 2 spots is the neutral safety switch. Unfortunetly, I don't know where it is located or what it looks like. I had the steering wheel off and was messing with the directional switch just prior to this problem, so I think there is real good chance that the neutral safety switch is the problem. I'm guessing it's located somewhere in the steering colum? Thanks for the help in advance.
 
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Old Mar 13, 2007 | 04:53 PM
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Don Senkow's Avatar
Don Senkow
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Neutral safety is on the trans assuming its a C6. There is a plug near the centre of the firewall. The harness comes from the trans at that point. It will have 4 wires 2 for the start circuit and 2 for the reverse lights. You are sure you are in neutral or part. Hope this helps Don
 
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Old Mar 14, 2007 | 01:01 AM
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Mil1ion's Avatar
Mil1ion
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The NSS wasn't moved to the side of the trans until 1978.

For pre-78 it was on the column as shown in your thread in the 73-79 forum
 
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