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Neutral safety switch
#2475054
03/31/18 08:27 PM
03/31/18 08:27 PM
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Joined: Aug 2007
Posts: 2,356
Kentucky
dfsmopars
OP
top fuel
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OP
top fuel
Joined: Aug 2007
Posts: 2,356
Kentucky
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Replaced an A/T with a new Temec. All is good but there is an annoyance. Wired in the neutral safety switch but that things does its clicking thing every time the shifter passes through neutral when being shifted. I could jump it out perhaps but I am hoping for options. I’d rather have the switch operational but I am not going to be able to tolerate the constant clicking under the dash. Ideas?
BTW this is in a ‘72 Charger.
Last edited by dfsmopars; 03/31/18 08:28 PM.
‘72 Charger, 5.9 Magnum, Tremec 5 spd., Pro-Touring
‘14 Big Horn, Quad Cab, 4x4, 1500
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Re: Neutral safety switch
[Re: dfsmopars]
#2475286
04/01/18 12:39 PM
04/01/18 12:39 PM
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Joined: Jan 2003
Posts: 5,789
Hamilton, Ontario Canada
Magnum
master
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master
Joined: Jan 2003
Posts: 5,789
Hamilton, Ontario Canada
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Wire it into the clutch pedal as it was intended. I hear the thrust bearing debate but personally I've had over 20 manually transmission cars and none of them have wore out the thrust bearing.
69 Super Bee, 93 Mustang LX, 04 Allure Super
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Re: Neutral safety switch
[Re: Jim_Lusk]
#2475395
04/01/18 02:52 PM
04/01/18 02:52 PM
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Joined: Jan 2003
Posts: 25,786
Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,786
Rio Linda, CA
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Ground the "G" terminal on the relay and don't look back.  The clutch switch is a product of out nanny guv'ment; if you don't check your shifter position before starting, you have no business in a car.
The INTERNET, the MISinformation superhighway
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Re: Neutral safety switch
[Re: dfsmopars]
#2475487
04/01/18 05:52 PM
04/01/18 05:52 PM
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Joined: Aug 2007
Posts: 6,095
Valencia, España
NachoRT74
master
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master
Joined: Aug 2007
Posts: 6,095
Valencia, España
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I have seen kids playing with ign keys on switches... sooo, better keep the safety feature.
Also on a parking lot, one of the crew cranked a 76 Dart from a buddy locally without check the shifter, it was in R. Short story... bumper fix and new tail lights allong with some body job
once again, truth or not the shifter must be checked, better keep the safety feature.
With a Charger born in Chrysler assembly plant in Valencia, Venezuela
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Re: Neutral safety switch
[Re: NachoRT74]
#2475502
04/01/18 06:43 PM
04/01/18 06:43 PM
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Joined: Jan 2003
Posts: 25,786
Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,786
Rio Linda, CA
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I have seen kids playing with ign keys on switches... sooo, better keep the safety feature. Discipline the kids, don't punish drivers. 
The INTERNET, the MISinformation superhighway
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Re: Neutral safety switch
[Re: John_Kunkel]
#2475515
04/01/18 06:56 PM
04/01/18 06:56 PM
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Joined: Dec 2007
Posts: 18,157
Mass
DAYCLONA
I Live Here
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I Live Here
Joined: Dec 2007
Posts: 18,157
Mass
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Ground the "G" terminal on the relay and don't look back. The clutch switch is a product of out nanny guv'ment; if you don't check your shifter position before starting, you have no business in a car. Agreed!... This is how I've done ALL my manual transmission swaps or eliminated factory interlocks, factory 4spd or 5/6 speed... no need for any type of electrical lock out device, you should know the condition/position/operation of your equipment before you turn the key... Mike
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Re: Neutral safety switch
[Re: DAYCLONA]
#2475627
04/01/18 10:02 PM
04/01/18 10:02 PM
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Joined: May 2012
Posts: 1,821
South Bend
John Brown
top fuel
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top fuel
Joined: May 2012
Posts: 1,821
South Bend
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Ground the "G" terminal on the relay and don't look back. The clutch switch is a product of out nanny guv'ment; if you don't check your shifter position before starting, you have no business in a car. Agreed!... This is how I've done ALL my manual transmission swaps or eliminated factory interlocks, factory 4spd or 5/6 speed... no need for any type of electrical lock out device, you should know the condition/position/operation of your equipment before you turn the key... Mike That's the same thing I said.... just before I hit the key in the 56 Cadillac and drove it into the side of the building. Who would have thought anyone would have swapped a 1951 stick tranny, column shift and all, into a 56 Cadillac. Certainly not me. Luckily no harm was done to the car cause the bumper bullets just put two hickeys on the side of the building. Everyone that would have cared is long gone now, so I'm free to share my embarrassment. On the other side, I have disabled all those silly clutch switches on every stick shift car or truck I have ever owned. Hope no future buyers got into trouble because of it.
July 19th should be "Drive Like Rockford Day". R.I.P. Jimmie.
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Re: Neutral safety switch
[Re: dfsmopars]
#2475641
04/01/18 10:41 PM
04/01/18 10:41 PM
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Joined: Jan 2003
Posts: 2,361
PA
70HemiGTX
top fuel
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top fuel
Joined: Jan 2003
Posts: 2,361
PA
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My question is this...If starting a vehicle with the clutch pushed in is hard on a thrust bearing or a throw-out bearing, then what does it do to the bearings shifting at 5/6000 rpm? If you are wearing out your thrust bearing (which one exactly?) or throw-out bearing while starting your vehicle, you have some other serious issues going on in your system.
Yes safety switches are a pain, but I think having something happen that is preventable is also not something you want. Yes I check my shifter to see that it is in neutral everytime I start a vehicle, but there is always that one time when you are in a hurry and you don't quite go through your progression like normal and something stupid happens. Think about it, we are human, we make mistakes. We hope we don't make mistakes, but we do and they happen very quickly. That is life. That's my $0.02....
Last edited by 70HemiGTX; 04/01/18 10:42 PM.
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Re: Neutral safety switch
[Re: TJP]
#2475643
04/01/18 10:47 PM
04/01/18 10:47 PM
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Joined: Aug 2007
Posts: 2,356
Kentucky
dfsmopars
OP
top fuel
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OP
top fuel
Joined: Aug 2007
Posts: 2,356
Kentucky
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If one wants to spend some time it could be accomplished by wiring in a relay that is only energized in the start position. Kind of a PITA but fairly simple to accomplish.  I like the concept of this but at the moment I have no idea how to do it. But I will give it some thought and effort. Jim, thanks for the direction on the “G” terminal. My ownership of manuals has been four vehicles over 41 years, everything from a three on the tree to a six speed Tremec. So can’t say I have had enough of them to develop any real habits but I have always been a fan of putting it neutral before turning the key. Thanks to my Moparts friends who have been such a tremendous resource over the years.
‘72 Charger, 5.9 Magnum, Tremec 5 spd., Pro-Touring
‘14 Big Horn, Quad Cab, 4x4, 1500
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Re: Neutral safety switch
[Re: John_Kunkel]
#2475727
04/02/18 12:46 AM
04/02/18 12:46 AM
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Joined: Dec 2007
Posts: 12,587
Great Neck,LI,new york
hemi-itis
I Live Here
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I Live Here
Joined: Dec 2007
Posts: 12,587
Great Neck,LI,new york
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I have seen kids playing with ign keys on switches... sooo, better keep the safety feature. Discipline the kids, don't punish drivers. What do I do about NHRA rules??
HEMI-ITIS has no cure.
My condition is fully BLOWN!!
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Re: Neutral safety switch
[Re: 70HemiGTX]
#2475770
04/02/18 01:12 AM
04/02/18 01:12 AM
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Joined: Mar 2003
Posts: 18,678
Fresno, CA
Jim_Lusk
I Live Here
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I Live Here
Joined: Mar 2003
Posts: 18,678
Fresno, CA
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My question is this...If starting a vehicle with the clutch pushed in is hard on a thrust bearing or a throw-out bearing, then what does it do to the bearings shifting at 5/6000 rpm? If you are wearing out your thrust bearing (which one exactly?) or throw-out bearing while starting your vehicle, you have some other serious issues going on in your system.
Yes safety switches are a pain, but I think having something happen that is preventable is also not something you want. Yes I check my shifter to see that it is in neutral everytime I start a vehicle, but there is always that one time when you are in a hurry and you don't quite go through your progression like normal and something stupid happens. Think about it, we are human, we make mistakes. We hope we don't make mistakes, but we do and they happen very quickly. That is life. That's my $0.02.... There's only one thrust bearing. On most engines it is the middle main. You have all of the weight of the pressure plate on a dry thrust bearing. When shifting the weight is on an oiled bearing and only for a short time. None of the 1960s Mopars had a clutch switch and none of the 1980s Mopars that I owned had one.
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Re: Neutral safety switch
[Re: hemi-itis]
#2476217
04/02/18 05:57 PM
04/02/18 05:57 PM
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Joined: Jan 2003
Posts: 25,786
Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,786
Rio Linda, CA
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I have seen kids playing with ign keys on switches... sooo, better keep the safety feature. Discipline the kids, don't punish drivers. What do I do about NHRA rules?? Like I said, nanny rules to protect against idiots.
The INTERNET, the MISinformation superhighway
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Re: Neutral safety switch
[Re: dfsmopars]
#2476503
04/02/18 10:36 PM
04/02/18 10:36 PM
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Joined: Aug 2007
Posts: 2,356
Kentucky
dfsmopars
OP
top fuel
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OP
top fuel
Joined: Aug 2007
Posts: 2,356
Kentucky
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Re-installed the Dyna-max exhaust tonight and got to drive it through town without the noise of open headers. I am trying to find a way to isolate the noise of the switch so it can stay. Already improved it some but not totally gone. Maybe I’ll learn to live with it some. Thanks for all the input. I’ll keep working on it and come up with something one way or another based on my new info.
‘72 Charger, 5.9 Magnum, Tremec 5 spd., Pro-Touring
‘14 Big Horn, Quad Cab, 4x4, 1500
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Re: Neutral safety switch
[Re: dfsmopars]
#2476610
04/03/18 02:09 AM
04/03/18 02:09 AM
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Joined: Aug 2007
Posts: 6,095
Valencia, España
NachoRT74
master
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master
Joined: Aug 2007
Posts: 6,095
Valencia, España
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no, but NSS feeds the ground for seatbelts warning relay and buzzer, although somebody told me the 72 was quite diff on that, not being the NSS but emergency brake signal  73 diagram shows the NSS source for that ( same to 74 interlock ). Haven't checked really a 72 diagram to confirm that but even will work, I know 72 tranny harness gets the NSS ground signal into the cab like 73 and 74
With a Charger born in Chrysler assembly plant in Valencia, Venezuela
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