By
Gonzo
Picture This ---- I learned a little something when I was teaching a little something
Picture This
(A lesson learned while teaching)
Years ago my younger brother came to work for me. He didn't know a thing about cars, but was willing to learn all he could. Teaching new techs is an art that most shop owners have to learn to do, but teaching your little brother can be a chore and can test your patience. I muddled thru it all and taught him what I could. I was sure at some point in time the two of us would butt heads like brothers will do, and he would take his new found skills and move up in the rank and files of the automotive technical world, but in the meantime it was his turn to learn from his older brother.
When he first started I would walk him thru each step of how to diagnose a certain system in a car. A lot of times he would have questions, and I'd do my best to answer them. He learned quickly and was really sharp at picking up some of those little details that are harder to teach, because you tend to forget to mention them while you're teaching. Mainly because you are trying to get to the solution as efficiently as possible, and you neglect to bring it up. Such as: "always test your test light connection before testing what you're testing, or don't forget to check for all your tools before you pull the car out of the shop…." Things like that.
One day we had a truck come in with dual fuel tanks on it. The gas gauge wasn't working and needed some attention. This was a perfect opportunity for Junior to learn a few of my short cuts on these old models. It was an older Ford, in which the tank gauge ran thru the tank switchover button. It was rather easy to pull it out of the dash and connect to the gauge from the back of the switch.
Luckily it was the typical problem I've seen a hundred times in the past. The switch connections would melt and the tank wouldn't switch from the front tank to the rear, and of course the gauge wouldn't move either.
After locating the correct leads to the gauge and to the tanks I decided to show him how the gauge worked. I hooked up the one of the tanks to the crossover lead that would supply the signal from the tank to the gauge.
"Ya see this, that's the lead to the fuel gauge in the dash, and this is one of the tank wires. I'll connect these together and we should get a reading on the dash," I told him.
He was watching intently, taking in all the wiring diagram information, the location of the wires, and how I was bypassing the switch. He was fascinated with the flow of the current and the way the gauge would respond. I even went as far as moving the gauge from full to empty by opening and closing it to a ground signal. While I had his attention I filled him in on the two types of gauges that were used back then (bimetallic and magnetic) and how low resistance on a bimetal type gauge would read near a full tank, while a magnetic gauge would read close to empty. Change the resistance and the gauge would/should read accordingly.
"So, if we put gas in the tank the gauge should move right? That way we could check the sending units in the tanks too," he asked me.
"Great idea, grab a gas can and let's add a few gallons," I said, excited that he was so interested in the project.
He grabbed a can of gas and poured a few gallons in the tank. I was watching the gas guage carefully, but there was no movement. I knew I was on the right wires, but nothing was happening. Now what? Are there more problems?
"Crawl under there, and check to be sure the wire color is correct," I yelled from the cab to him.
"Yep, it's the right wire on the tank."
"Well, we might have to pull the tank; it's not changing the gauge readings up here."
"Before we do that let's add some more gas, maybe we didn't add enough," Junior tells me.
I thought I better go back and help hold the funnel, while he poured the gas in the tank. Unknowing to me, all this time my wife (who was the office manager) was listening in on the whole thing. She likes to keep tabs on me, and make sure I'm not going into one of my usual rants or having a fit because I had to explain something over and over again to little brother. This time she was standing at the corner of the shop just behind the truck with a camera. "CLICK", I heard the camera shutter go off and she was back there laughing like there was no tomorrow.
"What's so funny?" I asked her.
"You two idiots have been putting gas in the wrong tank. You're on the front tank, and you're putting gas in the rear tank," my wife answers, laughing hysterically.
About then the camera "clicked" again… this time it was an action shot taken at precisely the exact moment when these two idiots had that dumb struck look on their faces and realized what they just did. The shot had both of us on our knees, one holding a funnel and the other with the half empty gas can, and both of us staring right into the camera lens. Couldn't have set it up any better if you tried. The picture clearly showed the side of the truck with both fuel tank doors visible and there was no doubt which tank we were putting in the extra gas. I guess it was one of those things I should have mentioned when we were checking the tank senders… make sure we are both on the same tank.
For years that picture hung over her desk, and anytime I thought I was so smart she would point at the photo. Usually with that typical smirk, usually shaking her finger at me and of course the laugh… she had to laugh, but it wasn't all that funny until she had me laughing about it too. Ok, Ok, I'm not perfect... and now my little brother knows it too. These days he's a top notch tech at a dealership, and I have to call him on occasions for some help on how to solve things once in a while. Oh the photo… uhmmm… what photo?? Somehow it's missing… haven't seen the darn thing in years. But I guess I really don't need to see the photo … the wife has a pretty good memory... she reminds me just how smart I think I am every chance she gets.
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