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09-10-2020, 12:48 PM | #1 |
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Location: St Clair, Michigan
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Engine not starting.
Would a bad cutout switch keep the engine from starting?
And I have not referenced my book yet but how do you check them for good or bad?
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09-10-2020, 01:11 PM | #2 |
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Re: Engine not starting.
It shouldn't keep the engine from cranking unless it was stuck for long enough to run the battery down a ways. Easiest way to check is measure voltage at both sides of the cutout. Should be ~6V at the output of the cutout where the wires attach and 0V at the generator stud.
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09-10-2020, 02:08 PM | #3 |
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Re: Engine not starting.
If you have enough power to crank the engine, then you should have enough to start it.
Look at other sources of trouble. 1. If you have an inline fuse mounted on the starter, check it first. 2. Check that the ignition switch is on (Check for slight discharge on the Ammeter) 3. Check that you have free flow of gas to the carburetor. |
09-10-2020, 02:37 PM | #4 | |
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Re: Engine not starting.
Quote:
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09-10-2020, 02:39 PM | #5 | |
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Re: Engine not starting.
Quote:
Hasn’t started since. I put a new coil on it and checked the wiring. ???
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09-10-2020, 02:47 PM | #6 |
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Re: Engine not starting.
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09-10-2020, 03:12 PM | #7 |
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Re: Engine not starting.
positive ground post on battery
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09-10-2020, 03:22 PM | #8 | |
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Re: Engine not starting.
Quote:
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09-10-2020, 05:05 PM | #9 |
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Re: Engine not starting.
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09-10-2020, 05:44 PM | #10 |
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Re: Engine not starting.
I do not have a fuse on it but I was going to add one soon.
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09-10-2020, 05:56 PM | #11 |
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Re: Engine not starting.
Check spark with key on, break the points while holding coil wire near a head bolt. should have a blue to white spark jump each time points are opened. If yellow or orange, may not jump the plug gap. Should have a snap to it that you can hear and jump a gap of 1/4 inch or more, each time points are opened with the key on. (Use a screwdriver with a wooden handle to break the points.
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09-11-2020, 06:37 AM | #12 |
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Re: Engine not starting.
No power getting to the coil I found out last night.
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09-11-2020, 10:43 AM | #13 |
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Re: Engine not starting.
Wiring diagram:
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09-11-2020, 10:30 PM | #14 |
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Re: Engine not starting.
Here’s a simple ignition wiring diagram. Just trace where the voltage disappears.
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09-12-2020, 12:02 AM | #15 |
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Re: Engine not starting.
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09-14-2020, 07:28 AM | #16 |
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Re: Engine not starting.
Thanks! I’ll let you guys know what I find in a few days.
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Isaiah B. 1928 all metal Tudor |
09-14-2020, 08:19 PM | #17 |
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Re: Engine not starting.
I just had this happen to me and my 1930 Coupe. The fellas on here were quite helpful with gas or electric problems. A friend came over and we determined it was electrical. It was the modern distributor and I replaced the condenser and I SIMPLY PLACED ELECTRICIANS tape over the pieces that came close to the sidewall of the distributor housing and boom! She started right up!
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09-14-2020, 08:40 PM | #18 |
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Re: Engine not starting.
Ok so I didn’t mention that I converted in to electronic ignition, but I did keep the manual spark adjustment. The car is running now. I guess when converting to electronic ignition you literally disconnect ALL the factory wires? I didn’t know that. Went through a few glass fuses.
Anyways. That where I’m at tonight.
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09-15-2020, 06:28 AM | #19 |
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Re: Engine not starting.
The red wire from the ignition switch to the positive side of the coil was blowing the fuses. Can’t say I’m the best electrician but I’m learning.
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