LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mercury >> 1995 >> Villager LS >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Component Tests >> Speed Control Switch
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Speed Control Switch

  1. Turn key OFF.
  2. Access the speed control switch assembly connector. Do not disconnect.
  3. Measure the voltage on the Yellow and Black wire terminals at the speed control switch assembly during the following conditions, see SPEED CONTROL SWITCH ASSEMBLY VOLTAGE  table. See WIRING DIAGRAMS  .
  4. If the speed control switch assembly is not as specified, replace the speed control switch assembly. See SPEED CONTROL SWITCH ASSEMBLY  under REMOVAL & INSTALLATION. Otherwise, return to the symptom tests.
SPEED CONTROL SWITCH ASSEMBLY VOLTAGE

Condition Black Wire Yellow Wire
No Switches Depressed Less Than 1 Volt Less Than 1 Volt
COAST SET Depressed Greater Than 10 Volts Less Than 1 Volt
CANCEL Depressed Greater Than 5 Volts Greater Than 5 Volts
RES ACCEL Depressed Less Than 1 Volt Greater Than 10 Volt