Seminars Coming
Joe will be teaching a two-night class (3 hours each night from 6 to 9+pm)
Register Below Deadline is April 12, 2013
“Understanding, Diagnosing & Troubleshooting The Current Path”
You may have studied ” circuits” but you need to learn to troubleshoot “current paths”
Classes are for new techs as well as the seasoned tech that needs a refresher.
No products of any kind are advertised, promoted, or for sale at these classes!
Location? Elkhart Area Career Center ”Annex”
28330 County Road 10, Elkhart, Indiana
(not the main campus)
When? Tuesday April 30, and Wednesday May 1, 2013
Time? – 6:00pm start until 9+pm
Class Cost? $140 total for both nights, includes a 52 page handout.
“Understanding, Diagnosing & Troubleshooting The Current Path”
What we will cover:
Understanding Vehicle Voltage Drop
Do you understand “voltage drop”, how to find all voltage drops? If not, this class is for you.
Voltage drop – clear, useful explanations of causes and symptoms of unwanted voltage drops.
About engineered voltage drops.
Get a handle on what resistance really is. Know what you are up against.
How resistance and voltage drop affect a single load and a parallel load current path.
How connections affect voltage drop.
See how to find resistance with your voltmeter set to volts or mV.
Where to begin testing a single load and a parallel load circuit.
How to do the easy “3-step” method for voltage drop testing any circuit.
How to test “switched to voltage” and “switched to ground” circuits.
What to look for, after the repair, if the voltage drop is still excessive.
Voltage Drop Standards – what voltage drops to expect. In your handout.
Open Circuit Testing Cautions
How changes in open circuits affect tests results.
Why “good continuity” never means “able to pass current”.
How to correctly interpret test results when doing “open circuit” testing.
Why “unplugging the load” can give false test results, and cause you to replace a good part.
When it’s time to use an ohmmeter. Ohmmeter limitations when doing continuity testing.
Voltmeter limitations in an “open circuit”. How your test meter reacts in an open circuit.
Why “continuity” testing can cause you to replace a “good” part.
When and how to use “substitution load testing”.
Avoiding Meter Reading Mistakes
Is your voltmeter accurate enough for today’s vehicles? See how to test its accuracy.
Open circuit testing cautions.
Ohmmeter testing cautions when finding significant resistance, testing for continuity, and when testing for “known resistance value”.
See why you need to “respect” the ohmmeter’s “control voltage”.
Learn the correct use of the only valid ground point on any vehicle.
Learn what can “skew” your meter’s readouts.
Correct Probe Placement Techniques
Learn why incorrect probe placement and/or contact can give false test results?
Learn correct probe placement techniques.
Understanding the “current path” and “shared current paths”.
How parts of the current path and shared current paths affect troubleshooting.
See how “vehicle zoning numbers” can help you troubleshoot.
How shared current paths can cause drive-ability “no-code” set symptoms.
See how using the “last parallel splice” in the current path can focus your troubleshooting.
Why testing the shared current paths first can save time and effort.
Case studies of shared current path problems that have given tech’s headaches.
How to do “shared current path” testing.
Finding Parasitic Drain
How to find parasitic drain by checking the voltage drop across fuses. Get the “chart” here.
How to read the 1, 10, and 100mV/Amp inductive pick-up when voltmeter is set to Volts or mV.
How to build and use a 10X multiplier so your inductive pick- up reads “out of range” values.
Troubleshooting the Short to Ground and the Short to Voltage
See how the condition of a “blown fuse” can focus your troubleshooting.
See a sure fire way to test for a “short to ground” that blew that fuse.
Where to start and what to look for when troubleshooting that “short to voltage”.
3 ways to sign up:
Use Pay Pal here,
or send a check or money order before April 12 payable to:
Vested LLC
P.O. Box 3401
Sunriver, Oregon 97707
or call 541-788-0338 and they can process your credit card over the phone.
Helping Today’s Technicians Understand Today’s Technology
Get off your “brass” and come to class!
You will be glad you did. A 52 page handout is included.
Pizza & Pop will be provided.
Vestest.com
Helping Today’s Technicians Understand Today’s Technology