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  #11  
Old 09-15-2011, 04:25 AM
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Quote:
Originally Posted by simplyconnected View Post
Nonetheless, there is a ground strap.

Running with one ground wire is like putting all your connections in a big series. You found out, when the ground wire failed, nothing worked in the car. Having a separate body ground makes good sense and it may forewarn you when connections start going bad. These cars are very old. It's amazing they still work as well as they do. - Dave
On a Flairbird the ground strap is the negative cable, a long one!.

It runs from the battery down to the lower inner fender/'frame' area where it's attached to a bolt that grounds it - then it continues on to the engine block where again it has a bolt grounding it, all one cable.
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  #12  
Old 09-15-2011, 06:39 AM
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After replacing the neg. cable on the battery it starts up fine. Another problem developed -- the amp gauge on the dash is now going like crazy back & forth from D to C. & the lights are flickering including the ones on the dash. Don't know what caused this.
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Old 09-15-2011, 04:02 PM
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Thanks redstangbob and Scumdog. I got my info from the 1965 Ford Service Manual, but maybe we are talking about the same wire in this case:


Quote:
Originally Posted by whitebird View Post
After replacing the neg. cable on the battery it starts up fine. Another problem developed -- the amp gauge on the dash is now going like crazy back & forth from D to C. & the lights are flickering including the ones on the dash. Don't know what caused this.
This will be more difficult without a lot more information.

Sounds like the ammeter is responding to a circuit breaker going on and off (but I cannot be sure without further electrical checks).

Listen intently for a clicking sound under the dash or under the hood. Let us know what you found. We had an instance where the license plate lamp holder was shorted to ground and it caused the same kind of symptoms. Check for devices going on and off, or things that just don't work. - Dave
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Old 09-15-2011, 04:43 PM
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OK, sorry my response was meant so Whitebird didn't go looking for a wire that wasn't going to be there. The neg cable leaves the battery post, goes to the top of the frame/apron just to the side of the alternator where it has a flag that is bolted to the unibody. It also has a second wire eyelet that has 2 wires, one goes the the ground post on the alternator, the other enters the harness and travels across the car over the top of the radiator. Make sure you have these ground connections clean and tight. Hope that clears things up. PS, I've found more than a few parts of the shop manual, including pictures, that were just re-used from previous years. In fact there's a picture of the rear brake shoes in the opposite locations, Just Sayin'
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Old 09-17-2011, 06:18 AM
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The negative cable goes from the battery to the side of the engine. Another cable goes form the solenoid to I think the firewallThe other wires go from the solenoid to the alternator. There is another wire on the new neg. cable but it is short with a connection. It is about 2 1/2 inches long. The old cable didn't have this.
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Old 09-17-2011, 07:13 AM
redstangbob redstangbob is offline
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Whitebird, it sound like you have a non-correct replacement cable(s). A correct neg cable goes from the neg post to the frame/apron area next to the alternator where a flag or square eyelet is crimped to the cable. This is bolted to the unibody, the cable then continues to the engine block and provides a large ground connection for the starter ect. Sounds like you need to add a heavy ground between the block and the apron location. Also check for the other eyelet I mentioned, it grounds the alternator case. If originality isn't an issue, you can run grounds where you like, but the original cables are available and you don't have to guess. As for the other wiring you described, it sounds like your car has been let's say altered, I'd try to sort through and get things back to where they should be so it can be dependable. Good luck, Bob C
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Old 09-17-2011, 03:56 PM
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Quote:
Originally Posted by redstangbob View Post
...the original cables are available...
Bob, can you tell whitebird where to purchase a new OEM cable?

Whitebird, you really need a body ground to your battery. I wouldn't run without one because current will find the path of least resistance. Sometimes, that means it goes through bearings, which will ruin them.
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Old 09-17-2011, 04:35 PM
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Well I've stepped in it again, obviously I should have said original like reproductions. Most of the vendors sell them, Marti is very proud of his. http://www.martiauto.com/itemselecti...lecteditem=yes
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