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Discussion Topic:
Charging on 1942 ford 6 volt
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supereal |
01-01-2019 @ 1:58 PM
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Senior
Posts: 6819
Joined: Oct 2009
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I'd suspect a battery drain caused by an electricly wound clock, or a switch, such as for a tail or stop light that isn't completely shutting off. Put a voltmeter between the battery cable and the battery post. Any meter reading indicates a drain. Recently we had an almost new Cadillac in our shop that had been to two dealers because the battery would go down. It turned out to be a dome light door switch that opened enough to shut off the lamp, but still drew a small current. One dealer installed a new battery, another an alternator. For all old vehicles we recommend installing a master battery cutoff switch. It will prevent these problems and protect your vehicle and garage from fire caused by old wire insulation.
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42oink |
01-07-2019 @ 10:59 AM
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New Member
Posts: 119
Joined: Nov 2010
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Here's a thought. Polaraizing is a good idea to try. I used to do that many moons ago with old cars. Chilton tells you which post to ground for a second. With the engine running, disconnect the battery. Does it run? That will eliminate one possibility. Ain't old cars fun? 42oink
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37RAGTOPMAN |
01-10-2019 @ 8:57 AM
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Senior
Posts: 1941
Joined: Oct 2009
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the battery should be a positive ground, I am sure it is, but just wanted to be sure, on your headlights, use a test lead and run a ground wire to a good connection,from the bulb and to ground, and if the lights get brighter, you have bad grounds, on charging., Test 1 if you take off the belts off the generator, take a 10 gauge test jumper wire and make contact on the ARM connection for a second or 2, the generator should turn quite rapidly ,it is a electric motor, if it runs your generator should be working, the reg should have been polarized by just touching the field connection on the reg, for a split second,with a hot lead from the battery, I would run a ground wire from the generator to battery and see if it charges then, it might not getting a connection from the engine to the frame, also disconnect battery, disconnect the arm wire on the battery, charge the battery, wait over night see if it is still charge, there might be a drain in the generator, I am sure there will be more input on this problem. hope this helps, 1937 RAGTOPMAN
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Parkopup1218 |
01-28-2019 @ 1:25 PM
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Member
Posts: 20
Joined: Dec 2018
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Hi Tom I have not been able to get back to the car until now due to some illness. The car has been on the battery tender since Sept. Since it had not been started, and thinking that maybe the ground from the battery to the firewall was not good, I ran a batt cable to one of the studs on the motor thinking this might help isolate the ground. Although it seemed to crank over a little more, it did not start and the battery has signs it is dead. It is brand new in July. I am going to take it back where I got it to have them put it on the bench to see if that is an issue. I am going to roll my sleeves up and check all the connections. The solenoid or gen might be issue? I will jump start this to get it going and check some diagnostics. Stay tuned.
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TomO |
01-29-2019 @ 8:25 AM
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Senior
Posts: 7243
Joined: Oct 2009
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I would not mess with the connections until you have done the tests that I described. You may introduce new problems to the electrical system. The tests that I gave you should help to isolate the problem and lead to a quality fix.
Tom
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Parkopup1218 |
02-16-2019 @ 5:21 PM
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Member
Posts: 20
Joined: Dec 2018
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Hi Tom You what it was? It ended up the starter(positive ground)was not grounded correct. The ground went to the firewall and had a smaller batt cable that ended up having some rust under the paint. I replaced the batt cable with a 1 guage size cable that is red sheathed and attached it to the block. I also had the starter out and had it bench tested just to make certain and it is aok. The battery is new. After everything was put back together, I put the key in her and she started right up. This was yesterday. Today I went out and pressed the started button like 1/2 time and she fired right up. Thanks for your help and now on to other things.
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