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Neutral safety switch issues - starts in gear #668246
04/12/10 05:15 PM
04/12/10 05:15 PM
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Badfish67 Offline OP
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So I have a new starter relay, a new neutral safety switch in the transmission (single wire), ran all new wires from the switch to the relay, relay to the starter button, and it still starts in any gear. Anyone have any ideas???


1967 Barracuda 360ci/727 9.723ET @139.44mph
Re: Neutral safety switch issues - starts in gear [Re: Badfish67] #668247
04/12/10 05:27 PM
04/12/10 05:27 PM
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Carson City, NV
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babarracuda Offline
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The problem is that You have a grounded wire or bad neutral safety switch. Get a test light and go from 12V to the neutral switch(wires disconected from switch). If you have light then the new switch is bad. If no light, then check the wire off of the switch to ground. Hope this helps.

Re: Neutral safety switch issues - starts in gear [Re: Badfish67] #668248
04/12/10 05:40 PM
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I had the same problem. Check the (single wire) ground wire from the neutral safety switch to the ground connection on the starter relay. I bought new switch and relay also. My was grounded out on the engine where a wire tie was used. Good Luck

Re: Neutral safety switch issues - starts in gear [Re: Badfish67] #668249
04/12/10 05:49 PM
04/12/10 05:49 PM
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PORT ALBERNI , BC., CANADA
superwrench Offline
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What valve body lever is in that trans?
The single post switch ONLY works with the old style rooster comb lever in the valve body.
My thinking is that it would stay grounded out ... thus letting the car start in all positions.
Maybe I'm nuts...but that's what I think.
Ran into a similar situation in my GTX. Had to change a "few" things!

Re: Neutral safety switch issues - starts in gear [Re: superwrench] #668250
04/12/10 06:13 PM
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Badfish67 Offline OP
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I'm not sure what lever is in the transmission...I will need to call John Cope and ask. I tried the test light and got no light any way I tried it.


1967 Barracuda 360ci/727 9.723ET @139.44mph
Re: Neutral safety switch issues - starts in gear [Re: superwrench] #668251
04/12/10 06:35 PM
04/12/10 06:35 PM
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Rio Linda, CA
John_Kunkel Offline
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The single post NSS will work just fine with the newer roostercomb.

A simple test with a meter or test light will show if the NSS is staying grounded in gears other than P and N.


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Re: Neutral safety switch issues - starts in gear [Re: John_Kunkel] #668252
04/12/10 07:38 PM
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Badfish67 Offline OP
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So I put the test light on the NSS and I dont get a light in any gear...but it will still start in all gears.


1967 Barracuda 360ci/727 9.723ET @139.44mph
Re: Neutral safety switch issues - starts in gear [Re: Badfish67] #668253
04/12/10 07:42 PM
04/12/10 07:42 PM
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Grand Prairie,Texas
stumpy Offline
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You do have the test light hooked to a 12v source right? Because the switch is the ground.

Re: Neutral safety switch issues - starts in gear [Re: stumpy] #668254
04/12/10 09:31 PM
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Badfish67 Offline OP
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With the test light hooked up I can touch the outside of the NSS and I get a light, but no light on the terminal where the wire hooks up to.


1967 Barracuda 360ci/727 9.723ET @139.44mph
Re: Neutral safety switch issues - starts in gear [Re: Badfish67] #668255
04/12/10 11:04 PM
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stumpy Offline
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Next thing to check is if the car will start with the switch disconnected. If it does then you have a wiring problem between the switch and the starter relay.

Re: Neutral safety switch issues - starts in gear [Re: Badfish67] #668256
04/13/10 12:40 AM
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52savoy Offline
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Do you have the correct neutral safety switch? There are 2 types of single pin.



Re: Neutral safety switch issues - starts in gear [Re: 52savoy] #668257
04/13/10 08:30 AM
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Badfish67 Offline OP
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I have the switch thats in the middle of the pictue. So the car will still start with the NSS disconnected. It just seems like my wiring is bypassing the starter relay. I have the wire going from the NSS to the G on the relay, then a wire from the I on the relay to my starter button. What else am I missing???


1967 Barracuda 360ci/727 9.723ET @139.44mph
Re: Neutral safety switch issues - starts in gear [Re: Badfish67] #668258
04/13/10 10:54 AM
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stumpy Offline
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You either have the n/s switch wire grounded somewhere between the switch and relay or a bad stsrter relay.

Re: Neutral safety switch issues - starts in gear [Re: stumpy] #668259
04/13/10 10:58 AM
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Badfish67 Offline OP
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Thats what I thought too...so I got a new starter relay and ran a new wire from the NSS to the starter relay...same issues...


1967 Barracuda 360ci/727 9.723ET @139.44mph
Re: Neutral safety switch issues - starts in gear [Re: Badfish67] #668260
04/13/10 11:08 AM
04/13/10 11:08 AM
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Beaverton, OR, USA
Alikazam Offline
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Did you make sure to get a starter relay meant for an Auto? I accidentally got one for a manual car once and it would start in any gear! The difference was one tab across the corner was flat welded metal where on the Auto one it had a terminal there. Kind of hard to explain but you should have 2 wires connected to the NSS terminals (besides battery and starter wires) I think. I believe one is Key-on/start and the other was the ground from the NSS. Good Luck!

Re: Neutral safety switch issues - starts in gear [Re: Badfish67] #668261
04/13/10 01:02 PM
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52savoy Offline
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Seeing that were not getting anywhere with this,
Have you taken(or considered) the tranny pan off and checked to see how the comb is contacting the detent button, if it is at all?

Re: Neutral safety switch issues - starts in gear [Re: 52savoy] #668262
04/13/10 01:30 PM
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Badfish67 Offline OP
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I guess thats my next step...Thanks all!!!


1967 Barracuda 360ci/727 9.723ET @139.44mph
Re: Neutral safety switch issues - starts in gear [Re: Badfish67] #668263
04/13/10 04:24 PM
04/13/10 04:24 PM
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Rio Linda, CA
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Don't bother pulling the pan, if "the car will still start with the NSS disconnected" as you stated earlier the problem isn't in the transmission.


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Re: Neutral safety switch issues - starts in gear [Re: John_Kunkel] #668264
04/13/10 06:24 PM
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unplug the wire at starter relay and if doesn't crank, I think you found it

wire is simply grounded somehow, peeled or whatever...


With a Charger born in Chrysler assembly plant in Valencia, Venezuela
Re: Neutral safety switch issues - starts in gear [Re: NachoRT74] #668265
04/13/10 06:42 PM
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stumpy Offline
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He already said he ran a new wire from the switch to the relay so it's not a wire problem.

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