LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 1976 >> Courier Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Deceleration Control System >> Testing >> Coasting Richer Circuit >> Vehicle Speed Switch
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Vehicle Speed Switch

  1. If accelerator switch is operating properly, remove instrument cluster and attach a test light to speedometer switch relay. See Fig 1.
    Fig 1: Testing Speedometer Switch Relay
    G09313226Courtesy of FORD MOTOR CO.
  2. Reconnect speedometer cable and ground wire. Raise rear of vehicle and position on safety stands. Start engine and depress accelerator pedal to accelerate engine and ensure that test light is on at speeds above 17-23 MPH and that light is off at speeds below this range.