Dragon Boost Gauge Wiring Diagram. Installing the boost gauge wiring. Route the boostvacuum line through the firewall from the engine bay keeping it clear of any moving parts heat sources and kinks.
Dual led ring for e. Route the boostvacuum line through the firewall from the engine bay keeping it clear of any moving parts heat sources and kinks. Anyways long story short i bought a cheap ebay chinese boost gauge dragon a while back and went to install today despite not having a wiring diagram.
I figured green was sensor to gauge red was power and black was ground.
The connection diagram is shown below. No picture here as mine was missing. Eboost2 2005 current complete user manual. I figured green was sensor to gauge red was power and black was ground.