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Home >> Buick >> 1996 >> Roadmaster Base >> Repair and Diagnosis >> Body & Frame >> Seats >> Power Seat System >> System Testing >> Basic Seat Functions >> Rear Height Will Not Go Up &/Or Down
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Rear Height Will Not Go Up &/Or Down

  1. Using test light, backprobe between Orange and Yellow wires at inoperative power seat switch connector. If test light glows, go to next step. If test light does not glow, check for poor connection at Yellow wire. If connection is okay, replace power seat switch.
  2. Backprobe between Orange and Light Blue wires at inoperative power seat switch connector. If test light glows, go to next step. If test light does not glow, check for poor connection at Light Blue wire. If connection is okay, replace inoperative power seat switch.
  3. Backprobe between Light Blue and Black wires at inoperative power seat switch connector. Move power seat rear height switch lever to down position. If test light glows, go to next step. If test light does not glow, replace inoperative power seat switch.
  4. Backprobe between Yellow and Black wires at inoperative power seat switch connector. Move power seat rear height switch lever to up position. If test light glows, go to next step. If test light does not glow, replace inoperative power seat switch.
  5. Check for poor connection or open in Light Blue wire and/or Yellow wires between inoperative power seat switch and rear height motor. If circuits are okay, replace rear height motor.
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