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Lights OUT!

 

It was a hot summer day and the humidity was high in the shop when I starting working on one of my regular customer’s new found gems. It was a late 50’s Chrysler, a big old boat of a thing with lots of bells and whistles under the hood and dash. Nothing was added, everything was original and in fairly good shape. You could tell this car has never been left outside for any length of time. The paint finish showed no signs of aging or fading. The interior was very clean, and without a single defect. Even the carpet and headliner had that new “old” look to it.

 

He wanted me to go thru the electrical components on the car and see if I could get it all in working order. It had it all, radio, electric seats, power windows, power antenna, and just about anything else they could think of putting on a car in those days. I would try each window switch and each knob on the dash to make sure everything worked correctly. The turn signal indicators blinked on the tips of the fenders as well as in the dash. The heater blower motor hummed as if it was brand new. All the speeds worked on the wipers and even the reverse lights worked. It was truly a time piece of early Americana ingenuity.

 

The only thing I found “not” working was this contraption under the hood. It was about the size of a shoe box. I took the cover off of it to see what all the wires were leading to. Inside the box were several early glass vacuum tubes and a dusty old circuit board with a few resistors and what appeared to be a voltage controller of some sort. Luckily, the new owner had the factory manuals with the car. Even the manual was well taken care of. Not a single torn edge or creased page. I carefully went thru the old manual so as to not do any damage to this priceless book. In the back section were all of the wiring diagrams right down to the size of the resistors on the circuits. (Let’s see the manufacturer put that info out these days…)

 

I studied the diagram carefully and found out what this thing was. It’s an early automatic dimming headlight system. Way cool, wow, I’ve never seen one of these. But I could tell by just reading the prints how this thing worked. I went straight to solving the problem. Luckily (I think) I’m old enough to have had some training in the old TV tube era. Those classes sure were coming in handy now. It really didn’t turn out to be all that bad. The photocell in the front grill was disconnected, and the shoe box of tubes was in need of cleaning and attaching all the connectors back onto the board.

 

I reached in and turned on the “auto” system… the tubes started to glow… wow… this is exciting! (Can ya imagine… a grown man getting a thrill out of watching old TV tubes warm up… I really need to get out in the real world a little more often…). There was a hum and a crackle of the tube grids… I could hear the unmistakable sound of the tubes coming up to temperature. The humming subsided a bit, and leveled off to a light electrical buzz of an old TV set. By now I was expecting to see the headlights come on by themselves. Nothing, nada, zip… crud… it’s still not working. I went back to the old manual and followed the diagram some more.

 

At the very bottom edge of the page it showed a single lead going to the floor dimmer switch. Ok, I guess I’ll look there. By now its mid afternoon, and the humidity level in the shop is at its highest. I’m all hot, sweaty, and probably a little dehydrated. I stretched across that huge metal threshold and pulled the carpet back. Lying right there next to the dimmer switch connection was that single wire. I plugged it in… waited a second… nothing… so I reached over and pushed the dimmer switch with my hand. JumPin’ Gee’ ZaPPin’ ZING! WTF was that! I was jiggling around as if I was holding onto the electric fence at my Granddad’s farm. Now I know exactly how bacon feels when ya throw it into that hot skillet. I’m glad nobody saw me, because I probably looked like a fish flopping out of water the way I was wriggling around. HOLY Shhhhht! That smarts! ! !

 

After the ringing in my ears and the tunnel vision vanished, and everything returned back to normal I gave up on the wiring diagram and instead read how the system worked in the front section of the book. It turns out that driver’s “soled” shoe acts as the final ground to activate the system. It used a high amperage circuit to make the connection between driver and the automatic control unit out under the hood. To activate it you merely rested your foot on top of the dimmer for a moment. I guess if you were barefoot… you’d be in for quite a shock. It’s probably why the whole thing was disconnected in the first place. But, I’ll have to say… it does work, the headlights will dim and come on by themselves.

 

Just don’t lay on a metal threshold on a hot humid day… all hot and sweaty, then grab hold of the dimmer switch with your sweaty palm… cause it won’t be lights on… it’ll be LIGHTS OUT!

 

 

Always love to hear from everyone, the stories are here for your enjoyment. I'll do the final editing later, but right now you guys get to be the first to see them.

Enjoy, and don't forget to leave a comment.

check out my website for more stories, photos, product reviews, and other automotive related stuff. www.gonzostoolbox.com see ya!

 

 

 

 


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Posted

I totally forgot what year this car actually was. But, if you wanted to know, I believe it was a 58 Chrysler... (I think) I had a 59 Chrsler Imperial and it had most of the same systems in it... but I don't remember the auto headlights on it.

Posted

a retired GM engineer called me, he told me this was called the "GM Guide Division Automatic Dimmer System" I told him I called it... "Zappa-Latta-the-Mechanica" he didn't find it all that funny... engineers, they don't have much of a sense of humor... LOL

 

  On 3/12/2011 at 12:36 PM, Gonzo said:

I totally forgot what year this car actually was. But, if you wanted to know, I believe it was a 58 Chrysler... (I think) I had a 59 Chrsler Imperial and it had most of the same systems in it... but I don't remember the auto headlights on it.

Posted

Thanx... (with the smoke still smoldering from under the collar)

  On 3/16/2011 at 1:05 PM, Jeff said:

Gonzo I can just picture it..doin the "dead mullet" across the shop floor, makin noises that sound like an alien, smokin from under the collar..........great story! :D

  • 2 weeks later...
Posted

Loved the story, thanks Gonzo. It's often amusing to think, not much of the new-fangled "high-tech" is really new. We simply have better technology and stronger processors with which to do what your shoe-box sized "Control module" did. I would have loved to have been in your position that day, well except for the shocking experience.

Posted

ain't it the truth... everything old is just something new with better stuff. LOL. I always remember the quote from the worlds fair in the 1920's (i think that was the year) When all the great minds of the world voted that everything that needs invented has been invented and the only thing the future will bring is improvment on what exists today.

So true... so true...

 

  On 3/25/2011 at 6:05 PM, TheTrustedMechanic said:

Loved the story, thanks Gonzo. It's often amusing to think, not much of the new-fangled "high-tech" is really new. We simply have better technology and stronger processors with which to do what your shoe-box sized "Control module" did. I would have loved to have been in your position that day, well except for the shocking experience.

Posted

You know Joe, some of the "younger" readers are going to get the impression we're old... ha ha... just wait.. they'll catch up with us. Wait till a CD is as old as the 8 tracks we used to have ... now that'll be something...

 

  On 3/27/2011 at 3:40 PM, Joe Marconi said:

 

 

Great story, reminded me when my father and I would bring the TV tubes down to the corner drug store to be tested. Those we the days. Remember tube radios in cars?

 

Oh boy...I sound old, don't I?

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      It always amazes me when I hear about a technician who quits one repair shop to go work at another shop for less money. I know you have heard of this too, and you’ve probably asked yourself, “Can this be true? And Why?” The answer rests within the culture of the company. More specifically, the boss, manager, or a toxic work environment literally pushed the technician out the door.
      While money and benefits tend to attract people to a company, it won’t keep them there. When a technician begins to look over the fence for greener grass, that is usually a sign that something is wrong within the workplace. It also means that his or her heart is probably already gone. If the issue is not resolved, no amount of money will keep that technician for the long term. The heart is always the first to leave. The last thing that leaves is the technician’s toolbox.
      Shop owners: Focus more on employee retention than acquisition. This is not to say that you should not be constantly recruiting. You should. What it does means is that once you hire someone, your job isn’t over, that’s when it begins. Get to know your technicians. Build strong relationships. Have frequent one-on-ones. Engage in meaningful conversation. Find what truly motivates your technicians. You may be surprised that while money is a motivator, it’s usually not the prime motivator.
      One last thing; the cost of technician turnover can be financially devastating. It also affects shop morale. Do all you can to create a workplace where technicians feel they are respected, recognized, and know that their work contributes to the overall success of the company. This will lead to improved morale and team spirit. Remember, when you see a technician’s toolbox rolling out of the bay on its way to another shop, the heart was most likely gone long before that.
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