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Testing an NSS from a 727 #73207
06/13/08 03:07 PM
06/13/08 03:07 PM
Joined: Jan 2003
Posts: 9,116
Falconer, NY
KatFysh Offline OP
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KatFysh  Offline OP
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Joined: Jan 2003
Posts: 9,116
Falconer, NY
Can a nuetral safety switch be tested with an ohm meter? I have one installed in the trans and I'm not getting ANY reading from it going through the gears. This is both with the wire connector hooked up and not. I'm trying to get my mine installed and working and trying to get the rev lights to work..FINALLY.



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Re: Testing an NSS from a 727 [Re: KatFysh] #73208
06/13/08 03:19 PM
06/13/08 03:19 PM
Joined: Feb 2003
Posts: 8,670
A
Andrewh Offline
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Andrewh  Offline
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I would think you would have to see when it goes to ground.
At least that is what you do to bypass one.

Re: Testing an NSS from a 727 [Re: KatFysh] #73209
06/13/08 04:00 PM
06/13/08 04:00 PM
Joined: Jan 2003
Posts: 25,743
Rio Linda, CA
John_Kunkel Offline
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Rio Linda, CA
To bench test a 3-prong switch, there should be continuity between the center prong and the metal plunger in the plastic ring inside. When the plunger is depressed there should be continuity between the two outer prongs.


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Re: Testing an NSS from a 727 [Re: John_Kunkel] #73210
06/13/08 04:33 PM
06/13/08 04:33 PM
Joined: Jan 2003
Posts: 9,116
Falconer, NY
KatFysh Offline OP
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KatFysh  Offline OP
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Posts: 9,116
Falconer, NY
Thanks.. So then I should have a reading with the switch installed and shifting through the gears correct? I am getting no reading at all. Do I need to have the ohm meter leads on the ball and the prongs? I would think the detent arm moves the ball and that would give a reading.



When you decide to quit, THAT is the moment when you would've succeeded..
Re: Testing an NSS from a 727 [Re: KatFysh] #73211
06/13/08 06:09 PM
06/13/08 06:09 PM
Joined: Jan 2003
Posts: 25,743
Rio Linda, CA
John_Kunkel Offline
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John_Kunkel  Offline
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Posts: 25,743
Rio Linda, CA

To test the installed 3-prong switch, ground one lead of the meter to the case and the other lead to the center prong; there should be continuity in Neutral and Park.

With the meter leads on the outer prongs there should be continuity in Park only.


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