This bulletin describes the procedure to install the Compressor Power Relay Upgrade on affected Lineage units
Grand Design technical service bulletin 26-008 for 2026 Grand Design Lineage.
- Bulletin number
- 26-008 (26-008)
- Component
- Electrical system
- Summary
- This bulletin describes the procedure to install the Compressor Power Relay Upgrade on affected Lineage units. The upgrade routes the A/C compressor positive power feed through a dedicated 120-amp relay, removing the compressor load from the control board. The upgrade is supplied as SDG kit 5000041 (GDRV PN 710676). GDRV has updated the scope and instructions on this campaign.
Vehicles covered
- Grand Design Lineage 2026 2026
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