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Diagnosis And Testing - Lumbar Control Switch

WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

For complete circuit diagrams, see appropriate Wiring Information. Wiring Information includes wiring diagrams, connector pin-out and location views, details of wire harness routing and retention, splice and ground locations and proper wire and connector repair procedures.

Fig 1: Lumbar Control Switch Connector End View
GC0137110Courtesy of CHRYSLER GROUP, LLC
  1. Disconnect and isolate the battery negative cable.
  2. Remove the lumbar control switch from the seat. Refer to SWITCH, LUMBAR CONTROL, REMOVAL .
  3. Use an ohmmeter to test the continuity of the lumbar control switch using the following table. If not OK, replace the inoperative lumbar control switch. If switch tests OK, check for an open or short in the power lumbar support circuit wiring. If no open or short is found, replace the seat back. Refer to SEAT BACK, FRONT, REMOVAL .
LUMBAR CONTROL SWITCH CONTINUITY

SWITCH POSITION CONTINUITY BETWEEN
OFF 2-3, 2-4, 3-4
IN 1-2, 3-4
OUT 1-4, 2-3
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