FixVault

3-Speed Switch Panel Tests

Remove switch from vehicle and using a continuity tester or ohmmeter, test continuity between terminals as indicated in table. For test purposes, use case switch for ground, the first position for OFF and PARK, the first detent past off for LOW, and the second detent past off for MEDIUM, and the extreme switch position for HIGH.

Fig 1: 3-Speed Motor Wiring Diagram
G09323739Courtesy of CHRYSLER GROUP, LLC
3-Speed Switch Panel Continuity

Switch Position Test Connections
Off B to P
  A to F2
  F1 to Ground
Low B to A
  A to F1
  F2 to Ground
  P Open
Medium B to A
  A through resistor to F1
  F2 to Ground
  P Open
High B to A
  A through resistor to F1
  F2 to Ground
  P Open