Cigarette Lighter: Description and Operation
CIRCUIT OPERATIONThe cigar lighter is powered by a 25 Amp fuse located in cavity 7 of the fuse block, on circuit F30. This circuit is spliced and supplies power to the data link connector and the Remote Keyless Entry (RKE) module. The fuse is HOT at all times.
Power for the fuse is supplied on circuit A3. This circuit is protected by a fusible link located near the auxiliary jumper post on the left toe box.
When the operator presses the lighter, contacts inside of the lighter element CLOSE and voltage flows through the heating element to ground.