QuestionQUESTION: I have a 1965 Ford Thunderbird convertible with a major electrical problem. I put a new voltage regulator on and ran the car for about 3 minutes and turned it off. Different lights on the dash were flashing when I turned it off. Now everything electrical on the car is dead except the horn. The battery is good and fully charged. I am only getting power to one circuit breaker (the one that controls the horn). There is not a main circuit breaker that I know of so I am really stumped. Any advice would be appreciated. Thank you!
ANSWER: You say your are only getting power to one circuit. Where did you test this at? The main buss at the fuse box, upstream, downstream? or are you just honking horn?
Have you checked voltage on the incoming main buss of the fuse box cabinet?
Has the horn been ran directly to the battery by someone over the years?
Have you checked continuity on your ignition with an Ohm meter?
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QUESTION: I now have power to the windows and the seats but that is all. I have power coming into the fuse box and going out of the fuse box on all circuits. The circuits that require the key to be on work when I turn the key to the on position. Is there a main wire that would control all the systems? Is there a fusible link in the wiring? This car is 100% stock. Thank you!
ANSWER: I guess I don't really understand the question anymore.
what does not work? the lights or what?
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QUESTION: The only electrical that is working is the horn, power windows and power seats (all three on same circuit). Nothing else works! It is as if the battery was disconnected except for the above mentioned items.I have power in and out of the fuse box on all circuits. Ignition switch still controls switched circuits at the fuse box. I hear a clicking noise when I connect the battery. Is there something that could be killing all the other circuits? Thank you!
AnswerNot really. If something were killing the other circuits it would either blow the fuse or overheat to the point of melting.
You could possibly be losing your ignition switch. You say it controls things at the fuse box. Are you checking with a volt meter? Have you ohmed all your fuses for continuity?
Also, do you hear the clicking noise at the battery with the key on or off or both? A/C on ,off, both?
If your ignition is feeding current to the fuse box as you say, it would not be a rollover switch even though it was not stock for your year.
When you try to turn your ignition to start your car, what happens? clicking, dash lights dim, dash lights go out, nothing, grinding, etc?
