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#1 |
Senior Member
Join Date: Sep 2010
Location: Danville, CA
Posts: 1,554
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So there I sat, waiting for a tow home. Car suddenly quit running and had no spark, plenty of battery, just no spark, lights, or brake lights. Also not a tool aboard including the most important one, the cell phone. Walked a mile home, wife drove me back to car as I contacted AAA. They say 45 minutes, I say@#$%^&*, so sitting there with the car dead, hazard lights won't even blink, I glance again at the amp meter and it says 0. I tap it and it starts doing a rythmic pulsing, ahaw, must have power. Turn on key, step on starter and drive home. AAA notified. So why tell you? As you real mechanics probably have guessed all that was wrong with my car was the amp meter wasn't grounded. Fixed that with the tap. Well also tore it apart and found the tabs that hold it to the dash weren't doing that. They had never been employed. You may find this helpful at some poing in your driving days.
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#2 | |
Senior Member
Join Date: May 2010
Location: Yakima Washington
Posts: 913
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![]() Quote:
Bill |
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#3 |
Senior Member
Join Date: Jan 2012
Location: Western North Carolina
Posts: 3,924
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I will go with B Brocksr but add that it may have been loose connectors at the ammeter. One quick fix if this happens again is to use a jumper wire to jump between the two wing nuts on the junction box on the firewall. I carry a jumper with alligator clips.
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A is for apple, green as the sky. Step on the gas, for tomorrow I die. Forget the brakes, they really don't work. The clutch always sticks, and starts with a jerk. My car grows red hair, and flies through the air. Driving's a blast, a blast from the past. |
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#4 |
Senior Member
Join Date: May 2010
Location: Mpls, MN
Posts: 27,582
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Same here, and that's why carrying two 3 to 6 foot clip leads comes in handy.
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#5 |
Senior Member
Join Date: May 2010
Location: Portland, Oregon
Posts: 5,913
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Wiggling a wire or tightening a nut is a tried and true method for solving Model A troubles, at least in my experience.
Also, I gave up on AAA and added roadside service to my Hagerty Model A insurance. (Just in case wiggling a wire didn’t work.)
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Ray Horton, Portland, OR As you go through life, keep your eye on the donut, not the hole. ![]() |
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#6 | |
Senior Member
Join Date: Nov 2011
Location: San Diego, CA
Posts: 443
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Quote:
Yup - I still remember a time when I was stuck with seemingly no electricity (just like davey). Thankfully, I was parked next to another Model A, and the owner happened to wander up just as I had opened up my hood to start troubleshooting. Explaining that I had no electricity, he said to remove my floorboard - after I did that, he got a wrench out and gave the battery terminals a few good whacks - and problem solved. I was dumbfounded (and very grateful) - I don't think I would have figured that out on my own - visually, the battery cables looked fine and tight. |
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#7 |
Senior Member
Join Date: Jan 2012
Location: Western North Carolina
Posts: 3,924
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The lead on the battery terminals and connectors can get oxidized, which is an insulator. That is why it is important to use some sort of electrical grease on the terminals to keep the oxygen out.
__________________
A is for apple, green as the sky. Step on the gas, for tomorrow I die. Forget the brakes, they really don't work. The clutch always sticks, and starts with a jerk. My car grows red hair, and flies through the air. Driving's a blast, a blast from the past. |
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#8 |
Senior Member
Join Date: Sep 2010
Location: Danville, CA
Posts: 1,554
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I agree with you all that the amp meter needs no ground. Been thinking about that today and was going to correct my missive but I see you are all way ahead of me on these things. That's why I am on the Fird Barn, love you all for setting me straight so often, and I didn't notice any cheap shots. That speaks well for all of us.
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#9 |
Senior Member
Join Date: May 2010
Location: Oregon
Posts: 5,976
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I was out in the garage trying to get my model T started after last summer. I couldn't get the coils to BuZz but my meter showed 6 volts entering the coil box. I did some trouble shooting with a light bulb and could light it bright into. and out of the ammeter but not at the other end of the wire leaving it to the switch. Cleaned the end of the wire terminal and now everything is fine. so just a bit of resistance made a big difference.
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