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4psi Hobb's switch with chassis ground wire and additional 6' ground wire.
15psi Hobb's switch to trigger secondary pump on Stage 3 or Stage 4 LPFP
What is a Hobb's switch?Hobb's switch is just a simple on-off switch that is normally off and used to trigger an accessory at a set boost point.
How do I install a Hobb's switch?
The Hobb's switch has two contacts that need to be connected.
Connect one contact to chassis ground
- Connect the other contact to your ground trigger for the accessory