'69 Ignition Wiring Issue? - Team Camaro Tech
Electrical & Wiring Troubleshooting electrical.

 
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post #1 of 7 (permalink) Old Oct 11th, 18, 04:35 PM Thread Starter
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Christopher
 
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'69 Starter Issue?

I recently took the Camaro into a shop because I had a rat nest of wires for audio and an alarm underneath the dash. I wanted to get it cleaned out and take out the excess audio wires out and the alarm so I paid a company to go through and rewire the electrical for the audio and then also remove the alarm. Before they removed the alarm, there was a button that would reset the alarm so a couple times when I tried to start the car wouldn't turn over until I press the button. Skip ahead a couple weeks, I had the shop rewire so once it was done I picked up the car it ran fine - I drove around couple days and everything was good.

I decided to take it out again and when I tried to start the car back up it would not turn over. So when under the dash and wiggled some wires and also under the hood the wires coming to the firewall. While looking at the wires I noticed that somebody had tried to bypass the neutral switch - there wasn't a switch that was connected to it. It just had one wire with cut spades that were cut connecting it (total jerry rig). I was able to start the car by wiggling wires and once I got back home and turned it off, it wouldn’t start again.

I know this is a lot of information but I'm hoping somebody can point me in the right direction. I was thinking maybe it was the ignition wiring harness or the neutral safety switch. One thing to add is when I turn on the ignition the radio comes on but when I go to start the car it's just not not trying to turn over at all - nothings happening.

Any help is greatly appreciated!

Last edited by cericksen; Oct 11th, 18 at 05:01 PM.
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post #2 of 7 (permalink) Old Oct 11th, 18, 05:11 PM
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Re: '69 Ignition Wiring Issue?

Check the purple neutral safety switch wire where it was jumped with the spade connectors. Probably a bad connection.

Turn the key to start and see if you get 12v at the purple on the switch side.

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post #3 of 7 (permalink) Old Oct 12th, 18, 04:26 AM
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Re: '69 Ignition Wiring Issue?

Quote:
Originally Posted by Vega$69 View Post
Check the purple neutral safety switch wire where it was jumped with the spade connectors. Probably a bad connection.

Turn the key to start and see if you get 12v at the purple on the switch side.
Yep. That purple wire! My 67 was originally a column shift, and one previous owner in its life converted it to a floor console shift. Instead of getting the console wiring harness that would extend that purple neutral safety switch over to the center console shift, they simply spliced the two ends of the purple wire together under the steering column. Dangerous!

At the very least, remove the existing connector(s), re-strip each end, slide a piece of heat shrink tube on one end of the wire (far enough away from where you will be soldering so it does not shrink when you do the soldering), solder the two wires together, slide the heat shrink over the soldered wire, heat it, and you'll have a nice, tight, trouble free connection fix!

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post #4 of 7 (permalink) Old Oct 12th, 18, 04:57 AM
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Re: '69 Ignition Wiring Issue?

I just installed the engine/tranny (327/M20 4 speed) back in my 68 and have been trying to figure out what to do with the neutral safety switch. I'm adding the gauge cluster to my console so have replaced the underdash harness so I can use the full console harness, but from what I've read the neutral safety switch was only used on automatics in 68. Is that correct? If not, how do I wire it and where do I get the switch?
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post #5 of 7 (permalink) Old Oct 12th, 18, 05:21 AM
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Re: '69 Ignition Wiring Issue?

https://www.camaros.net/forums/27-tr...ty-switch.html

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post #6 of 7 (permalink) Old Oct 12th, 18, 05:28 AM
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Re: '69 Ignition Wiring Issue?

IMO with an automatic a NSS is mandatory with a manual personal preference.
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post #7 of 7 (permalink) Old Oct 13th, 18, 06:52 AM
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Re: '69 Ignition Wiring Issue?

Quote:
Originally Posted by Vega$69 View Post
IMO with an automatic a NSS is mandatory with a manual personal preference.
I second this! I've had little experience with manual trans cars but those that I did had clutch safety switches that required the clutch to ne depressed before the engine would crank.

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