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Mod | | | Forums66 Topics128,037 Posts1,055,466 Members48,424 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: May 2013 Posts: 173 Shop Shark | | Shop Shark Joined: May 2013 Posts: 173 | I took my original 1940 3/4ton KE special out for a drive on Xmas eve and had my first roadside breakdown. It was driving well until it started to cut out (almost like a miss) and stated sputtering...I pulled over and it died on me then I had it towed home.
When I take the wire off the spark plug I cant seem to see any spark. I tried two used coils and an N.O.S. coil and none of them worked. I was playing around with a voltage tester and I started checking for power, what we found is I'm not getting power through the coil..we're getting power to the top of the top of the coil from the ignition switch when we bypass the coil form the ignition switch to the distributor the(tester doesn't seem to register any power going through the coil) I also cleaned and adjusted the points...truck turns over but doesn't run. What should I be testing and How do you test to see if a coil works?? | | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | | | | | | Joined: Mar 2010 Posts: 10,272 Renaissance Man | | Renaissance Man Joined: Mar 2010 Posts: 10,272 | Check resistance across the two coil terminals. Not sure how many ohms it should be, maybe somewhere around 30-40 ohms? If it reads 0 you need to buy a new one.
1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission
| | | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | It is difficult to tell what you actually did when you were testing. With the ignition on, you should see full voltage at the feed to the coil. With this and the points open, you will see full voltage at the coil connection to the distributor. With the points closed you should see zero volts at the connection to the distributor.
Is there a connection to a switch on the starter? | | | | | Joined: May 2013 Posts: 173 Shop Shark | | Shop Shark Joined: May 2013 Posts: 173 | We tested the coils and both show some response on the meter ( really don't know what setting to put the meter on because I have very little knowledge on electrical stuff.) So it must be something other than the coils.. | | | | | Joined: Jun 2011 Posts: 420 Shop Shark | | Shop Shark Joined: Jun 2011 Posts: 420 | I had that problem with my 46 1/2 ton, and after changing the coil and following all the wires,it ended up being the distributor,I had a distributor for a 56 235 engine and made it to fit my 216 and havent had a problem since.... 8 months now | | | | | Joined: Oct 2002 Posts: 4,066 Bolter | | Bolter Joined: Oct 2002 Posts: 4,066 | changed the condenser also make sure your points aren't closed
Redryder pixMy HotrodA veteran - whether active duty, retired, national guard, or reserve - is someone who, at one point in his or her life, wrote a blank check made payable to The 'United States of America', for an amount of "up to and including my life."I am fighting cancer and I am winning the fight | Pain is part of life; misery is an option. | | | | | Joined: May 2013 Posts: 173 Shop Shark | | Shop Shark Joined: May 2013 Posts: 173 | Changed the condenser and replaced the rotor and it runs like a dream now...Thanks! | | |
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