True® Battery Isolator SBI-19 is a heavy-duty 12v isolator switch perfect for any GMC models including Sierra, 1500, Heavy Duty, 2015, 2016, 2017, 2018, 2019, and 2020.
GMC Sierra Battery Isolator Advantages:
- Average lifespan – 3 years with complete warranty
- Fully automatic charging with voltage-sensitive relay
- Alternator output up to 150A
- Complete installation kit (cables, terminal, Smart battery isolator)
- Compact size and easy to install
- Shockproof and waterproof design casing
- Heat-resistant (130deg) cable and casing
- Do not interfere with your vehicle’s warranty
- 100% tech support
- Click here for FREE Delivery
- Compatible with single meter dual display voltage gauge
Click here for more specs: GMC Sierra Dual Battery Kit
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