General Motors (GM) Archives - Page 4 of 4 - Tomorrows Technician
GM Pass Key Systems Hands-On Tip Clip

In this video Tip Clip Bill Fulton presents several hands on test you can quickly and easily perform when diagnosing GM Pass Key antitheft issues and problems. Watch this video and learn to use your multimeter to check and diagnose the various components of the antitheft system.

4L60E-Pressure Switch Manifold Quick Tip

From 1993 to 2008 the GM 4l60E transmission used a pressure switch manifold to tell the computer what gear was selected. In this Tip Clip instructor Wayne Colonna gives a detailed technical overview of this component with some helpful info on diagnosing associated problems.

GM Supplemental Restraint Systems

In this program, Dave Hobbs provides extensive information on GM safety restraint systems to help you with issues in steering column repair. He tells you what to do and what to avoid when working on and handling airbags while providing plenty of tips and test procedures on these systems.

Case 4: Data Bus Issues

If things don’t match the book’s description of problems, where do you go? The customer, of course! This class explains why questions are the answer. Find out as Dave Hobbs goes under the hood with some off-the-wall diagnostic troubleshooting of GM’s recent powertrain innovations.