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Discussion Topic:
No Spark on 39 Ford
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budlite28 |
11-02-2021 @ 11:11 AM
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Member
Posts: 38
Joined: Oct 2020
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I decided to take the coupe out the other day. when I rolled up to the stop sign, the motor quit, won't restart. It has been running great until then. Got it home and found I had no spark. I check voltage at coil @ 6.2v. So I pulled distributor, replaced rotor, inner cap ( checked gap @ .002) regapped points @ .015. Still no spark. The coil & condenser are about 6 months old, so I'm hoping it not them that's bad. I can think of anything else to check. HELP!!!
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carcrazy |
11-02-2021 @ 12:26 PM
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Senior
Posts: 1659
Joined: Oct 2009
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Are you using the original distributor and ignition coil on your 1939 Ford? If you are using either the coil or the coil replacement adapter, there is a carbon brush on the bottom that contacts the rotor. This brush has a small coil spring that pushes on the brush to ensure that it makes contact with the rotor to complete the primary circuit of the ignition system. If the brush is missing or not in contact with the rotor, you will not have any spark. You can check to make sure the brush is contacting the rotor by removing the inner and outer caps on one side of the distributor while looking inside with a mirror. There is a metal band on the rotor that this brush must be in contact with to enable the ignition to provide spark. Once you have established that you have electrical continuity within the distributor, make sure that all of the other electrical connections in the ignition circuit are tight and secure. Make sure your ignition switch is functioning.
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budlite28 |
11-02-2021 @ 1:20 PM
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Member
Posts: 38
Joined: Oct 2020
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yes I'm using the original distributor but the coil @ condenser is fairly new. And yes the carbon brush is resting on the rotor. I assembled it before I installed the distributor.
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40cpe |
11-02-2021 @ 1:45 PM
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Member
Posts: 472
Joined: Jan 2010
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Modern condensers are notorious for failing. It would be the first thing I suspect.
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budlite28 |
11-02-2021 @ 2:33 PM
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Member
Posts: 38
Joined: Oct 2020
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ok. I'll give a whirl. Thanks
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alanwoodieman |
11-02-2021 @ 4:25 PM
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Senior
Posts: 868
Joined: Oct 2009
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what coil are you using? DC are notorious for failure--if it was rebuilt by Skip-send it back to him for a recheck
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budlite28 |
11-03-2021 @ 9:56 AM
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Member
Posts: 38
Joined: Oct 2020
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the coil is about 6 mos old & I think it's either Drake or from Carpenter. I'm going to sent off the old one to Skip Haney to rebuild
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mfirth |
11-04-2021 @ 4:42 AM
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Member
Posts: 208
Joined: Nov 2017
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Good move to send to "Skip". You may also want to contact "tubman" on the Ford Barn as he makes & sells "trashcan" condencers. Love 39s by the way....keep V8'n .
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TomO |
11-04-2021 @ 9:03 AM
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Senior
Posts: 7253
Joined: Oct 2009
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If your coil was rebuilt by Skip, there will be a date code engraved on the bottom of your coil.
Tom
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budlite28 |
11-04-2021 @ 11:00 AM
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Member
Posts: 38
Joined: Oct 2020
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Just tried calling "Skip" but his day phone number has been disconnected. URGGGG
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