Another Neutral Safety Switch Question

[Pontitruck]

Hi guys and gals,

I am in the middle of adding a 2005 5.3 and 4L60e to my 65 GMC Fleetside SWB. I am using the BP harness and Mounting the PCM in the cab. This truck had zero wiring in it as I bought it as a stalled project.
I purchased a universal steering column that does not have a neutral safety switch provision. I was reading here about just using the factory NSS on the trans for both NSS and reverse lights.

Can anyone verify that I can do this so I do not need to buy another steering column? I have modified the one I have and they will not take it back. Can you post pics, pin outs etc if this is possible please?

Thanks all!

[ls1nova71]

Yes its possible to use it, I generally do. You will need a starter relay to use it though because the switch cant handle the amount of power that would go through it during cranking. I dont have the schematic with me at the moment but I know I've posted it recently in another thread. Here it is, towards the end of it. http://67-72chevytrucks.com/vboard/s...=783024&page=2

[Pontitruck]

Originally Posted by ls1nova71

Yes its possible to use it, I generally do. You will need a starter relay to use it though because the switch cant handle the amount of power that would go through it during cranking. I dont have the schematic with me at the moment but I know I've posted it recently in another thread. Here it is, towards the end of it. http://67-72chevytrucks.com/vboard/s...=783024&page=2

Thanks for the reply! What starter relay do I need? I think I have the harness from the truck that that drivetrain came out of, is there one on it? I’m also going to rob the connectors for the NSS from it.
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[Pontitruck]

Well, I don't have the relay nor the harness ends. My 05 harness has the single connector but I have the NSS with two connectors. Which connector do I need the big one or small? Can I just fill the one I do not need with silicone to keep the water out?
I'm also still looking for the relay that Nova mentioned.
Thanks for the help!

[ls1nova71]

It sounds like you have the wrong NSS for your harness. Rather than modifying the harness I would just get the correct switch. As for the relay, I just get them at the junk yard, they have a weatherpack connector and a tab to mount them with, works nice. The original relay would have been the big underhood fuse box which I assume you are not using?

[prodjay10]

What do those relays come off of?

[ls1nova71]

Originally Posted by prodjay10

What do those relays come off of?

They can be found on a lot of GM cars and trucks from the late 90's to early/mid 2000's. I think these came off of an S10 though.

[dec010974]

Those are some good factory relays. I steal them from the pick and pull.

[Pontitruck]

Nova, my harness is from BP so there are no plugs for the NSS. II have the older two plug NSS so I’m buying the 7 pin pigtail to do the wiring for the pcm. I’m assuming I can just seal up the 4 wire area with silicone correct?
Thanks
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[ls1nova71]

Originally Posted by Pontitruck

Nova, my harness is from BP so there are no plugs for the NSS. II have the older two plug NSS so I’m buying the 7 pin pigtail to do the wiring for the pcm. I’m assuming I can just seal up the 4 wire area with silicone correct?
Thanks
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Yes, you should only need wires in the big connector for the back up lights and neutral safety portions of the switch. I suppose you could silicone the other area, but if it were me, I would just get the plug for it if you are getting the other plug at the junk yard or something. I may even have an extra one lying around, but I would have to check....

[Pontitruck]

Originally Posted by ls1nova71

Yes, you should only need wires in the big connector for the back up lights and neutral safety portions of the switch. I suppose you could silicone the other area, but if it were me, I would just get the plug for it if you are getting the other plug at the junk yard or something. I may even have an extra one lying around, but I would have to check....

Thanks for the reply. I ordered the 7 wire connector and will just seal the other up. I will find that relay in my stash somewhere.
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