The previous sections outlined and showed examples of how central control
systems are congured. At rst view they can appear complex but actually
compared to separate switched and wires and relays for every electrical
component on the car, centralization actually simplies the system as well as
making it easy to add new features.
3.8.2 Ford generic electronic module (GEM)
3.8.2.1 Overview
On many Ford cars, the GEM is installed under the instrument panel, behind
the glove compartment. It controls a multitude of functions in the generic
electronics. The GEM is a separate module and does not contain ...
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