1969 Chevelle 350 starts and dies immediately - Chevelle Tech
Electrical & Wiring Troubleshooting electrical problems.

 
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post #1 of 10 (permalink) Old May 21st, 14, 4:51 PM Thread Starter
John
 
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1969 Chevelle 350 starts and dies immediately

I have a 1969 chevelle malibu 350 with an Edelbrock Performer Manifold
and a Holley 4160 carb.

When I bought it, the TV (Kickdown) cable was shadetree engineered
and the Throttle Cable was taped onto the brackets. (It was broken)
(So it took about a mile to get up to 65 mph.)

I replaced both.

It ran before I replaced the parts, and has been sitting for about
3 weeks waiting for various parts to arrive.

After getting everything adjusted, it starts and dies immediately.

I have checked the fuel flow it is fine.

The distributor is I believe a GM HEI and it seems to be working.

Thanks in advance for any help provided.
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post #2 of 10 (permalink) Old May 21st, 14, 6:59 PM
blm
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Re: 1969 Chevelle 350 starts and dies immediately

Well John: It has been my experience that when one does a repair/etc. and a new problem crops up it is usually related to something that was done during the repair process. That being said what I would try is to have a helper start up the car and you either feed it gasoline with a squirt bottle right into the carb or maybe be armed with a can of starting fluid and again spray right into the carb. If you are able to keep it running with this method then you know it is fuel related. If not you most likely have developed an electrical problem and it could be an ignition module. I would try the fuel route first however.
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post #3 of 10 (permalink) Old May 21st, 14, 9:31 PM Thread Starter
John
 
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Re: 1969 Chevelle 350 starts and dies immediately

Thanks Brad,

To clarify.,
The car starts but when I release the key is when it dies. It does not stay running. If I hold the key it continues to start but thenthe starter is engaged
all the time, which of course is not good.

The red wire laying below the distributor was never attached and goes into the
wire bundle above the distributor on the firewall. I believe that wire goes to the
starter. I did nothing with that wire.
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post #4 of 10 (permalink) Old May 21st, 14, 10:06 PM
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Re: 1969 Chevelle 350 starts and dies immediately

Exact symptoms of "starting with power from the bypass circuit but no other feed voltage to the primary side of the coil"
(starter provides power to coil but only during cranking)

Try running a temporary jumper from the battery to the coil.

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post #5 of 10 (permalink) Old May 22nd, 14, 4:57 AM
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Les
 
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Re: 1969 Chevelle 350 starts and dies immediately

The '69 Chevelle still had a points ignition.
U said it has an HEI distributor. You're not carrying enough voltage to the HEI.
U need a constant 12 volts to power this.
Run a temporary wire from a positive source to the HEI.
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post #6 of 10 (permalink) Old May 22nd, 14, 4:12 PM Thread Starter
John
 
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Re: 1969 Chevelle 350 starts and dies immediately

So I opened the cover over the coil, attached a jumper wire to the battery and the 'BAT' side of the coil and it starts and runs just fine.

I guess I need to find a wire to add to the wires going into the battery side of the coil?

Is it too much to assume the red wire laying on the manifold could be the lucky choice?
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post #7 of 10 (permalink) Old May 22nd, 14, 5:01 PM
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Re: 1969 Chevelle 350 starts and dies immediately

With a meter, you can tell what has 12 volts with key in the "on" position. and doesn't have power with the key off.

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post #8 of 10 (permalink) Old May 22nd, 14, 5:56 PM
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Re: 1969 Chevelle 350 starts and dies immediately

I would be willing to bet the red wire you found dangling is the one that should go to the coil. Did it have a spade clip on it? Anyway as Dean said, take a multimeter and check that wire for 12 volts when the ignition/key is turned on and 0 volts when the key is off. If it does then use it for the coil. It should have a place on the cap to plug it in. It had the 12 volt wire at one time or the engine wouldn't have run. Maybe you knocked it off when repairing the other stuff.
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post #9 of 10 (permalink) Old May 24th, 14, 2:16 PM Thread Starter
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Re: 1969 Chevelle 350 starts and dies immediately

Update,
First thanks to all who replied,

I found a wire that would work and attached it and the car starts and runs.

I had to make a couple of splices but it works.

Now I have another question, which is better Holley, Edelbrock or Demon for a carb on the 350?

Thanks,
John
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post #10 of 10 (permalink) Old May 24th, 14, 6:54 PM
blm
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Re: 1969 Chevelle 350 starts and dies immediately

All good carbs. I would think correct size is as or more important than brand.
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