Neutral safety dash switch?? - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 01-16-2014
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Neutral safety dash switch??

I want to mount a switch that fits into the lighter hole on the dash to control the neutral safety switch. I did the 5 speed swap a while back and had to straight wire the NSS since i don't have the under dash wiring for the clutch pedal switch. So now it always thinks its in neutral and since i had to keep the auto computer for emissions its limited in neutral to about 3500rpms. I want to be able to flip the switch to allow the truck to start and the turn it off so i can get my full rpm range back. Also i want it so i can reinstall my remote start so that the thing won't work unless i arm the switch to prevent accidental lunging if its in gear.
Thanks for any help guys.
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Old 01-16-2014
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Put a switch between where you "straight wired" the NSS switch.
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Old 01-16-2014
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i wish it was that simple that part of the wiring is under the truck where the transmission range sensor used to be.
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Old 01-17-2014
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But that set of wires run up and into the cab, should be reverse lights in that set as well.

But not sure the NSS is part of that "in gear" selection for PCM, wiring diagram for 2003 might help, also in IDing the wires in the cab.

Google: autozone ranger wiring 2003

They usually have some good diagrams

Normally NSS or Clutch safety switch has a pathway like this:
Battery-------key switch/PATS--------NSS------------starter solenoid

So the 12v that activates the starter is passed by the ignition switch to the NSS, if in Park or Neutral the switch contacts in the NSS pass the 12v to the starter solenoid.
Not sure the PCM monitors this but it could in the PATS part.

If possible I would start engine then remove your bypass and test if REV Limiter is still active.

Last edited by RonD; 01-17-2014 at 11:45 AM.
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Old 01-18-2014
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Chris,

If you'd like the electrical schematics for the circuits in question PM me with an email address and I'll forward them to you.
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Old 01-18-2014
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Thanks guys i appreciate it! this has been the hardest part i must have gotten the one ranger with different harnesses not much matches the diagrams I've seen but I'm going to send you a PM Rev.
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