BJTJ-SW1
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Black Jack EXT-RET Switch - Old Black Jacks Only Replacement
Replacement EXT-RET switch for Black Jack Trailer Jack Original models from 2020 to 2025. Rated at 50 amps, this switch supports trailer jacks drawing up to 28 amps. Not compatible with Black Jack Mini, Master, or Maxi models. This genuine Black Jack switch is designed to handle higher current loads and prevent failure common in lower-rated 16-amp switches. Also compatible with ZONE RV Power Jack, Outback Jack, Sunrise Jack, and Gator Jack models.
Features
- Genuine EXT-RET switch rated at 50 amps
- Fits Black Jack Trailer Jack Original models (2020–2025)
- Not compatible with Black Jack Mini, Master, or Maxi models
- Designed to prevent switch failure from high current draw
- Compatible with ZONE RV Power Jack, Outback Jack, Sunrise Jack, and Gator Jack
- Supports terminal current peaks up to 52 amps
- White-coloured switch back indicates the upgraded model (older switches are black)
- OEM-quality replacement part
Usage Tips
- Use only with Black Jack Original Trailer Jacks (2020–2025)
- Do not install in Black Jack Mini, Master, or Maxi models
- Replaces under-rated switches causing intermittent operation or failure
- Ensure correct installation to maintain warranty and performance
Specifications
- Amp rating: 50 amps
- Voltage: Standard 12V trailer jack systems
- Dimensions: OEM fit, direct replacement for original Black Jack EXT-RET switch
- Weight: Matches OEM part weight
Upgrade your Black Jack Trailer Jack with this 50-amp EXT-RET switch to improve reliability and avoid failure from lower-rated switches.
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