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Relay Box: Motor Relay Resistance Test

  1. Measure resistance between relay box connector terminal "E" (Light Green/Black wire) and terminal "H" (Yellow wire) or between terminal "A" (Black wire) and terminal "H" (Yellow wire). Resistance should be 50-90 ohms. If resistance is not as specified, replace relay box.
  2. Ensure continuity does not exist between relay box connector terminal "B" (Blue/Red wire) and terminal "F" (Red/Yellow wire). If continuity exists, replace relay box. If continuity does not exist, go to next step.
  3. Using a 12-volt power source, connect positive lead of 12-volt power source to relay box connector terminal "G" (Blue/Yellow wire) and negative lead to terminal "H" (Yellow wire). Check for continuity between relay box connector terminal "B" (Blue/Red wire) and terminal "F" (Red/Yellow wire). If continuity does not exist, replace relay box.
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