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  #11  
Old 07-29-2012, 07:05 AM
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Default Thanks!!!

You guys are great on here! I did have the key "on" when crossing the selinoid. I also moved the gear shifter around trying to start it. I'll be checking the coil, like Simplyconnected's suggestion! Thanks!!
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  #12  
Old 07-29-2012, 02:51 PM
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Vic, please note our members' starting dates. Eric, John, and many others have been freely offering their skills and experiences far longer than I have. These guys made Squarebirds.org the finest and most friendly board in the world. Honestly, I have learned a lot from them, right here.

The electrical diagram shows OEM wiring, where a yellow wire comes from the Starter Relay and it ends at the Headlight Switch. This wire is hot all the time and NOT fused. Then a small yellow jumper feeds the Key Switch at the 'Battery' terminal. Verify this, so we're on the same page. All Squarebirds are wired this way.

* From the Key Switch Ignition terminal, a Red-Green wire goes through the 'Resistor' and it ends at the Coil (+) terminal. This sets-up the distributor to create a spark.

* From the Key Switch Start terminal (in the center), a Red-Blue wire goes through the Neutral Switch and energizes the Start Relay (solenoid). This makes the Starter Motor run.

Notes:
When the key is turned to 'Start', the Batt, Ign and Start terminals are internally connected.
In these (*) instances, the Starter Motor, Start Solenoid and the ignition Coil cases must have solid grounds.

I hope this helps. - Dave
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Old 07-29-2012, 04:33 PM
smokey6993 smokey6993 is offline
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Default Appreciated input!!

I appreciate everyones input! Thanks for the ignition explanation!!! This will help alot durring diagnosis!!! I'll be sure to keep you all posted. I have some work to get done this week, and will attack the bird after that! again thank you all!!!!!
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Old 07-31-2012, 02:13 PM
smokey6993 smokey6993 is offline
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Default Coil voltage.

There are 12.1 at the coil when the key is turned on. WHats next?
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  #15  
Old 07-31-2012, 02:58 PM
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Take the coil wire off the distributor and lay it on the intake manifold close to some metal. Start the motor and see if you can see a spark jump. This will tell you if the coil is putting out a spark.

John
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Old 07-31-2012, 06:12 PM
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I'm with John, but do it in the dark. That center spark plug wire should put out a pretty blue spark. If it doesn't, let us know.

BTW, did you get your key to work the starter solenoid?
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Old 08-01-2012, 06:36 AM
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No, still have to cross the selinoid.
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Old 08-01-2012, 01:38 PM
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Default no spark

I have power to the coil, and when I crank it shows around 8 volts comming out. The distributer button seems worn, as do the points. should I replace the wires, cap, button, and points? Or, could the problem still be the nuetral switch, because I cant crank from the key?
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Old 08-01-2012, 01:52 PM
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Did you do as I suggested and see if the coil is putting out spark. You can bypass the neutral switch by removing the red/blue wires and connecting them together. Just make sure you are in park or neutral when you try to start it.

John
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Old 08-01-2012, 03:14 PM
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Yeah, he says 'No spark', John.

Ok, you have two separate problems that need to be fixed. Let's take them one at a time:

The key should work properly. Use your light to troubleshoot from the (S) post on the Starter Solenoid (the small stud next to the large Battery post), back to the Key Switch. Connect one lead from your test light on a solid ground. Use the wiring diagram to test with the other test light lead.

Put the gear shift in PARK and have someone turn the to the key to 'Start' while you check voltages. Start at the Red-Blue wire at the Starter Solenoid. If no voltage (no light) follow the diagram towards the source. That wire connects to the Neutral Switch on your steering column. Check it there. Again, if no voltage, go farther back towards the source, the Red-Blue wire that originates at the Key Switch. At some point, you will have a light. We usually find the Neutral Switch is out of adjustment, or a connection is loose.

SPARK****
If you have voltage at the coil, check the small wire on the coil's (-) post and follow it to the points. Make sure your points and condenser are good and double check the short ground wire inside the distributor at the 'pivot plate'. Refer to your Shop Manual. Take pictures so we can see what's going on. - Dave
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Last edited by simplyconnected : 08-01-2012 at 05:03 PM. Reason: I agree w/Jon... Pertronix is great.
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