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Need help with wiring.....?!?!?!?

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Old Mar 12, 2005 | 05:50 PM
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Default Need help with wiring.....?!?!?!?

Ok, I've definitely got something wired wrong.

It's some where between the ignition and the starter if I had to guess.

IS there suppose to be 12 ohm of resistance on the positive line going to the coil with it disconnected ??? It doesn't seem to change if the ignition is on or off.

Need some help here.......

What should I be checking...???
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Old Mar 12, 2005 | 05:56 PM
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Originally Posted by 1970-Bronze
Ok, I've definitely got something wired wrong.

It's some where between the ignition and the starter if I had to guess.

IS there suppose to be 12 ohm of resistance on the positive line going to the coil with it disconnected ??? It doesn't seem to change if the ignition is on or off.

Need some help here.......

What should I be checking...???
I don't know the resistor value, but the wire to the coil does have resistance to prevent burning the points. It is bypassed during starting. The older cars have a ballast resistor in the circuit that usually is about 1.4 ohms. This will drop the voltage to the coil down to 9-10 volts in most cases assuming a nominal 14 V on the system. It is also bypassed during starting. The ceramic resistor block was replaced with a resistive wire on C3's. However, 12 ohms seems way too high. Sure it isn't 1.2 ohms?
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Old Mar 12, 2005 | 06:01 PM
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Well, I went and re-checked it and it's definitely 12 ohms to ground (anything metal).

Ok, I guess here's what really get's me is it's suppose to be a hot wire. Then why do I have 12 ohms to ground no matter what position it key is in?
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Old Mar 12, 2005 | 06:18 PM
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Ok, there's two wires connected to the positive terminal of the coil.

One goes to the starter and the other goes to.... the ignition switch?
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Old Mar 12, 2005 | 06:27 PM
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There should be a wire from the starter. It's a bypass wire that supplies a full 12V when the starter is engaged. The other wire energizes the coil when the key is in run positioin. It should be a ballast resistor wire. It drops the voltage depending on load.
The reason you're getting VERY low resistance between the "run" wire and ground is that things like the radio, guages, etc that are on the ignition circuit have a low resistance.
Not a problem. If you checked between the battery + and - terminal (battery not connected) you would read about the same if anything (lights, interior lights, etc. were on.
Gary
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Old Mar 12, 2005 | 06:30 PM
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Ok, that would make sense but I don't think anything is on in the car. I have the negative terminal disconnected.

I will check to see if anything is on in the car.

Then I suspect I had the wire in the incorrect positions on the starter.

Can anyone tell me the correct positions?

I can't drop the starter due to the headers.
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Old Mar 12, 2005 | 08:19 PM
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Turns out "Bubba" hard wired the antenna which was giving me my 12 ohms of resistance.

I totally forgot about it.

Thanks again.
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