Ford , Lincoln , Mercury in that era called a GEM generic electronic module .
The generic electronic module (GEM) constantly monitors its subsystems for concerns. If a concern is found in one of the subsystems, the GEM will record the concern in the form of a diagnostic trouble code (DTC).
The ignition switch position is very important to the GEM function. Often times, erratic or unexpected GEM function can be traced to problems with these GEM inputs.
The GEM controls the following features:
Generic Electronic Module (GEM)
C239
Behind center of I/P
CAUTION: Prior to removal of the module, it is necessary to upload module configuration information to scan tool. This information needs to be downloaded into the new module once installed. For additional information, refer to Section 418-01 .
CAUTION: Electronic modules are sensitive to electrical charges. If exposed to these charges, damage may result.
SOURCE: I have a 2002 lincoln navagator , I can not find
it's located on the accumulater. an silver colored bottle near the firewall
SOURCE: silanoid fo 2000 navagator, location of
are you talking about the stater solenoid if you are it's on the firewall in the engine compartment and some have two one in the starter and one in the firewall.
SOURCE: location of backup light switch on a 2006 lincoln navagator
Did you check voltage and ground at the bulb connector or wiring circuits for the bulb?
The switch may be part of the transmission range sensor, sometimes they call it a neutral switch. I would have to check wiring circuits first. At the moment, I'm having trouble finding a wiring diagram for this. Some of the databases I use, I timed out.
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