Re: 73 Barracuda charging problems
[Re: plumcrazycuda]
#2151709
09/10/16 04:22 PM
09/10/16 04:22 PM
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Joined: Dec 2007
Posts: 18,157 Mass
DAYCLONA
I Live Here
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I Live Here
Joined: Dec 2007
Posts: 18,157
Mass
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Driving home at other night and lights went dim. Were would you start? If you don't have a meter to test battery/alt output (you should) you can start with the poor mans test, a screw driver tip to the back of the alternator shaft bearing located in the center at the rear of the alt case, as the vehicle is running, you should have a strong enough magnetic charge to hold the screw driver tip to it, if there's no magnetism, then chances are no output on the alt, if there's output but the battery is not charging, then chances are the voltage regulator, a battery that's given up the ghost, or a wiring issues...get a meter, you need it to take the guess work/ghosts out of the picture
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Re: 73 Barracuda charging problems
[Re: plumcrazycuda]
#2151740
09/10/16 05:43 PM
09/10/16 05:43 PM
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Joined: Sep 2007
Posts: 14,889 up yours
Supercuda
About to go away
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About to go away
Joined: Sep 2007
Posts: 14,889
up yours
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No volts where?
There's more than one wire at each of those spots.
No volts at the large terminal on the alternator, check your fusible links, one is probably burned.
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: 73 Barracuda charging problems
[Re: Supercuda]
#2151851
09/10/16 09:28 PM
09/10/16 09:28 PM
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Joined: Dec 2003
Posts: 1,747 PA
plumcrazycuda
OP
top fuel
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OP
top fuel
Joined: Dec 2003
Posts: 1,747
PA
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No volts where?
There's more than one wire at each of those spots.
No volts at the large terminal on the alternator, check your fusible links, one is probably burned.
No volts at the large terminal. There is only one fusible link right up by the battery. Or is there another one? I have power to the car to start it and the lights. If that link is blown I would not have anything. I not remembering another link.
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Re: 73 Barracuda charging problems
[Re: plumcrazycuda]
#2151852
09/10/16 09:40 PM
09/10/16 09:40 PM
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Joined: Sep 2007
Posts: 14,889 up yours
Supercuda
About to go away
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About to go away
Joined: Sep 2007
Posts: 14,889
up yours
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A factory service manual would tell you these answers.
I do not have a 73 Cuda nor a manual for one, sorry.
They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.
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Re: 73 Barracuda charging problems
[Re: plumcrazycuda]
#2151863
09/10/16 09:55 PM
09/10/16 09:55 PM
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Joined: Nov 2003
Posts: 36,040 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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correct, no other link. see if the black wire out to the alt main stud is hot at the bulkhead (should be all the time) & either work downstream toward alt (fairly rare as it is a straight wire (no terminals/connections) or go upstream under the dash toward the "welded splice" for the open
live every 24 hour block of time like it's your last day on earth
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Re: 73 Barracuda charging problems
[Re: plumcrazycuda]
#2151936
09/10/16 11:42 PM
09/10/16 11:42 PM
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Joined: Jan 2003
Posts: 20,179 Park Forest, IL
slantzilla
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 20,179
Park Forest, IL
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IIRC, on my '73 'Cuda there was a plug in the alternator harness wrapped in tape right about even with the carb. I had it come unplugged once.
"Everybody funny, now you funny too."
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Re: 73 Barracuda charging problems
[Re: plumcrazycuda]
#2152366
09/11/16 02:37 PM
09/11/16 02:37 PM
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Joined: Nov 2003
Posts: 36,040 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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You would not want to use a fuse. I would clean the connection you identified & call it good. unless the system was overcharging then it was just a poor connection that melted that terminal/connection that you found. wouldn't hurt to clean ALL connections/terminals. if you keep the ammeter close to 12 0'clock you will be fine. going from batt to starter relay does take some load off of the bulkhead but renders the ammeter reading inaccurate. some people like that mod some dont. if you (A) keep the bulkhead cleaned (B) keep ammeter needle close to 12 0'clock with the rest of the connections/terminals cleaned you will have zero problems
live every 24 hour block of time like it's your last day on earth
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Re: 73 Barracuda charging problems
[Re: 383man]
#2152469
09/11/16 05:57 PM
09/11/16 05:57 PM
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Joined: Nov 2003
Posts: 36,040 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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actually a fuse would work just not a regular automotive glass type fuse which I was thinking you were thinking! It'd have to be a specialty type. there was a thread on that, I shoulda copies what they said to use. the wiring on my old '66 dart was flowing too much for some reason (was way back) iirc it full fielded-bad reg, to the point where the outside insulation in a long stretch of wire shriveled & the FL still never went open
live every 24 hour block of time like it's your last day on earth
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Re: 73 Barracuda charging problems
[Re: IMGTX]
#2159410
09/22/16 01:40 PM
09/22/16 01:40 PM
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Joined: Jun 2008
Posts: 1,822 Colorado
denfireguy
top fuel
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top fuel
Joined: Jun 2008
Posts: 1,822
Colorado
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Wires were used instead of fuses because they would take in rush current surges without unnecessarily opening. That said, excessive current had to be present for some time for the fusible link to open. Usually there was collateral damage to other wiring at that point. If you kill the power immediately when you smell the link insulation burning, you could keep damage to a minimum. If you do put in a fuse, make sure you have boxes of them in the car as surges will kill them and leave you high and dry.
2014 Ram 1500 Laramie, 73 Cuda Previous mopars: 62 Valiant, 65 Fury III, 68 Fury III, 72 Satellite, 74 Satellite, 89 Acclaim, 98 Caravan, 2003 Durango Only previous Non-Mopar: Schwinn Tornado
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