Escort L4-116 19L VIN 9 2-bbl (1986) - Ignition Timing Connector for Powertrain Management
Ignition Timing Connector: Description and Operation
Ignition Timing Vacuum Switch
Below vacuum setting, this switch, Fig. 16, is open and signals the ignition module to retard spark timing. The switch is closed above the vacuum
setting and the ignition module is in the non-retard spark timing mode. Calibration resistors inside the switch control the amount of retard.
