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04-13-2017, 01:14 PM | #21 |
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Join Date: Apr 2015
Location: Boise, Idaho
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Re: Model A quit while driving -- won't start
When I first got my truck the generator was wired like this picture...the stud had been removed and replaced by a wire...
Does your generator look like this?? This is not original but it worked.... There are two wires on the front where the cutout is marked batt...but you can only see one... And here is a wiring diagram....
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Early '29 CCPU that had a 4-speed, but not any more.......in the family since '62 |
04-13-2017, 01:17 PM | #22 |
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Location: Helena Montana
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Re: Model A quit while driving -- won't start
I cant seem to attach picture of it! Single black wire at back and 2 wires at front.
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04-13-2017, 01:20 PM | #23 | |
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Re: Model A quit while driving -- won't start
Quote:
After you "choose file" be sure to click "upload".....
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Early '29 CCPU that had a 4-speed, but not any more.......in the family since '62 |
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04-13-2017, 01:27 PM | #24 |
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Location: Helena Montana
Posts: 45
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Re: Model A quit while driving -- won't start
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04-13-2017, 01:32 PM | #25 |
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Join Date: Dec 2016
Location: Helena Montana
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Re: Model A quit while driving -- won't start
I have another 1930 model A so thinking taking generator and cutout switch off it and putting on this one. However just got notified daughter in law in Spokane having pregnancy problems and they have to take baby so packing up to head that way will be back on model A issue first part next week. Keep info coming though and I will compile when get back.
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04-13-2017, 04:01 PM | #26 |
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Re: Model A quit while driving -- won't start
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04-13-2017, 05:06 PM | #27 |
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Location: Helena Montana
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Re: Model A quit while driving -- won't start
Ive been driving this car for 6 months with no electrical issues and ammeter always showed positive charge. Would seem strange it ran so good if wiring is that screwed up to the generator. Will start workin on it next week.
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04-13-2017, 05:19 PM | #28 | |
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Location: Mpls, MN
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Re: Model A quit while driving -- won't start
Quote:
The fuse may have worked for 6 months, but it's good to have it installed correctly so the copper strap hits the contact better, and to make sure the fuse mounting metal doesn't slip in far enough to short something. |
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04-13-2017, 05:29 PM | #29 | |
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Location: So Cal
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Re: Model A quit while driving -- won't start
Quote:
the cutout and the wire coming out of the generator going to ground. Bob |
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04-13-2017, 05:57 PM | #30 |
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Join Date: Mar 2014
Location: Cleveland, Ohio
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Re: Model A quit while driving -- won't start
If you're not getting spark this should help. If when your engine warms up might be a condenser or coil... When the car dies check for 6v around the system.
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-Mike Late 31' Ford Model A Tudor, Miss Daisy I don't work on cars --I'm learning about my Model A. Cleveland, Ohio |
04-13-2017, 06:31 PM | #31 |
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Location: Santa Barbara, Ca
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Re: Model A quit while driving -- won't start
OK, this may be way out there, but it happened to me. Someone opened the generator cut out, and just set the cover back on. Driving one day, it just quit as you mentioned and also blew the fuse.
Bottom line, in checking for the short I finally found the cover had settled and was shorting to the base thus blowing the fuse. Replaced the cujt out with a new diode type. all has been good since. Thought of this when you saw a spark at the cut out. |
04-13-2017, 10:44 PM | #32 |
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Join Date: Dec 2016
Location: Helena Montana
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Re: Model A quit while driving -- won't start
Funny you say that as the top on mine is loose as well I can pick it up and take it on and off. Thanks
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04-13-2017, 11:06 PM | #33 |
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Join Date: May 2010
Location: albany
Posts: 465
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Re: Model A quit while driving -- won't start
Look at your brake light switch...Ill bet the plunger has dislodged and shorted out
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04-14-2017, 12:43 AM | #34 |
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Re: Model A quit while driving -- won't start
I only use original cutouts, which have the covers spot welded to the base. The spot welds can be broken loose so the cutout can be restored. The cover will be a snug fit, so it won't need to be spot welded again. The screws and insulating washers also hold the cover in the proper position, so it can't short out unless someone uses screws that are too long, or the insulating fiberboard is missing between the inside of the cover and the terminals.
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04-14-2017, 03:12 PM | #35 |
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Location: Helena Montana
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Re: Model A quit while driving -- won't start
If I remember correctly I had just hit the brakes shortly before it died so will need to check the brake lite switch -- where exactly is that located??
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04-14-2017, 03:30 PM | #36 |
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Re: Model A quit while driving -- won't start
The hardest place to get to on the road. Right under the center of the car. Just behind your brake pedal rod. That's why I recommend a fuse in that circuit.
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04-14-2017, 04:44 PM | #37 | |
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Location: Stayton, Oregon
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Re: Model A quit while driving -- won't start
Quote:
The switch , at least on my rigs, is under the floor boards just under the drivers feet. The switch is bolted to the tranny (at least on my two rigs). The way to fixed it was to adjust the brake switch at the tranny. The bolts holes on the switch have a slot so that you can move the switch. You want to make sure that if you put a lot of pressure on the brake, it will not pull the rod through the switch. This situation could be why you were able to run for 6 months and then this happen. Caused by your brake wear and the peddle going down more. Good luck.
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04-14-2017, 05:47 PM | #38 |
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Location: Helena Montana
Posts: 45
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Re: Model A quit while driving -- won't start
I actually just completed a complete brake job adjustment on it -- adjusting all the rods one by one and adjusting brake shoes to match rod adjustments -- the brakes actually would almost go to the floor before the adjustment and now only goes down about 2 inches before solid brakes but possibly the rod came out after the adjustment!
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04-14-2017, 06:35 PM | #39 | |
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Re: Model A quit while driving -- won't start
Quote:
Rod adjustment is the last step. |
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