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Home >> Buick >> 1995 >> Roadmaster Base >> Repair and Diagnosis >> Body & Frame >> Seats - Power >> Testing >> Without Lumbar >> Normally

Without Lumbar: Normally

  1. Locate front height motor 2-pin connector. Using a test light, backprobe between front height motor connector terminal "B" (Dark Green wire) and ground. Move seat switch to FRONT HEIGHT UP position. If test light comes on, go to next step. If test light does not come on, check for a poor connection or an open in Dark Green wire between seat switch connector and front height motor. If circuit is okay, replace seat switch.
  2. Using a test light, backprobe from between front height motor connector terminal "A" (Dark Blue wire) and ground. Move seat switch to FRONT HEIGHT DOWN position. If test light comes on, go to next step. If test light does not come on, check for a poor connection or an open in Dark Blue wire between seat switch connector and front height motor. If circuit is okay, replace seat switch.
  3. Using a test light, backprobe between front height motor connector terminals "A" (Dark Blue wire) and "B" (Dark Green wire). Move seat switch to ENTIRE SEAT UP position. If test light comes on, go to next step. If test light does not come on, replace seat switch.
  4. Using a test light, backprobe between front height motor connector terminals "A" (Dark Blue wire) and "B" (Dark Green wire). Move seat switch to ENTIRE SEAT DOWN position. If test light comes on, check for poor connection at front height motor. If connection is okay, replace front height motor. If test light does not come on, replace seat switch.


  1. Locate rear height motor 2-pin connector. Using a test light, backprobe between rear height motor connector terminal "A" (Yellow wire) and ground. Move seat switch to REAR HEIGHT UP position. If test light comes on, go to next step. If test light does not come on, check for a poor connection or an open in Yellow wire between seat switch connector and rear height motor. If circuit is okay, replace seat switch.
  2. Using a test light, backprobe from between rear height motor connector terminal "B" (Light Blue wire) and ground. Move seat switch to REAR HEIGHT DOWN position. If test light comes on, go to next step. If test light does not come on, check for a poor connection or an open in Light Blue wire between seat switch connector and rear height motor. If circuit is okay, replace seat switch.
  3. Using a test light, backprobe between rear height motor connector terminals "A" (Yellow wire) and "B" (Light Blue wire). Move seat switch to ENTIRE SEAT UP position. If test light comes on, go to next step. If test light does not come on, replace seat switch.
  4. Using a test light, backprobe between rear height motor connector terminals "A" (Yellow wire) and "B" (Light Blue wire). Move seat switch to ENTIRE SEAT DOWN position. If test light comes on, check for poor connection at rear height motor. If connection is okay, replace rear height motor. If test light does not come on, replace seat switch.
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