Pre-Power Stroke Diesel (7.3L IDI & 6.9L) Diesel Topics Only

deactivation of the Neutral safety switch.

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Old 02-20-2011, 07:04 PM
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deactivation of the Neutral safety switch.

I was told that i need to deactivate my NSS or else my truck won't start after i get the 5-speed swap done. I am not sure where this is located or what it looks like. Any help would be great this is one of my last steps to get this thing rolling again.
 
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Old 02-20-2011, 07:43 PM
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Not sure where it is on an E4OD but just an idea, use it to make a dead man switch with it.

On mine, I used the clutch pedal safety switch. At least I don't need to step on the clutch to start it anymore either.

I've hidden a small toggle switch, when on, the truck will start, when off, it cuts power to the starter no matter what. I love it.


You should do the same with your NSS.
 
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Old 02-20-2011, 10:33 PM
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Do you know where the clutch safety switch is on an '86 with a t19?
I wouldn't mine dissabling mine so i don't have to step on the clutch pedal to start :P
 
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Old 02-20-2011, 10:36 PM
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It's under the dash behind the clutch pedal, you should see a small connector going to a small plastic box if I remember correctly.
 
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Old 02-20-2011, 10:47 PM
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And I just disconnect it? Or do i jump it over to itself?
 
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Old 02-21-2011, 05:44 AM
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nss on a manual trans is on the clutch pedal. nss on an automatic trans should be on the shifter arm of the trans with the reverse light switch
 
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Old 02-21-2011, 06:25 AM
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On the E4OD the NSS is incorporated into the range sensor on the drivers side of the trans.
If you look at the wire harness at the range sensor I would be pretty sure you need to cut the W/PK and R/LB wires and join them, either direct or using a switch as suggested.
 

Last edited by Lazy K; 02-21-2011 at 06:36 AM. Reason: more info
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Old 02-21-2011, 09:00 AM
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Lazy K, are you sure it is the white/pink and red/lightblue, i was told elseware it was the two red wires. Does anybody have a wiring diagram for the E4OD. Also is there anyway to hook the reverse lights back up
 
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Old 02-21-2011, 10:49 AM
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The two red wires would be for the C6 transmission. The reverse light switch is also in the TRS so you should be able to cut those wires also and connect them to the reverse light switch on the ZF5.
https://www.ford-trucks.com/forums/9...-problems.html Here is a thread with a wiring diagram, including the backup lights.
 
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Old 02-21-2011, 02:58 PM
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thank you for the diagram that was just what ineeded, hopefully this thing is moving under its own power tonight.
 
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