RV Auto Hold Parking Brake: Complete Guide to Operation and Troubleshooting Basics
Guide to auto hold park brake systems on motorhomes. Covers operation, proper use, and troubleshooting for new RV owners.
Guide to auto hold park brake systems on motorhomes. Covers operation, proper use, and troubleshooting for new RV owners.
The aftermarket trailer brake controller's red wire spliced into your steering column is likely interfering with the cruise control system. You can safely remove this connection, but the brake controller will need a proper 12V power source to continue functioning.
Your Thor Daybreak likely has a short circuit or damaged wire harness affecting multiple circuits simultaneously. The parasitic draw varying with the dimmer switch indicates a ground fault or damaged wire bundle near the instrument panel or body control module.
Damon Daybreak diagrams available from Thor Industries (877-855-2867) or RV forum archives. For dash AC issues, use Ford chassis manuals - its an automotive system, not coach electrical.