After installing a new Hi-Boost switch in my car the boost lights seem to be working in the reverse order of stock. The dark orange light will come on with no or little boost, while the yellow light comes on with very little boost. Either way both lights will be lit up before any hi boost is actually present. Has anyone experienced a similar or even heard of this problem before?. Tahnks a lot.
Your boost light switch is out of adjustment. There's a base pressure adjustment on the top of the switch between the terminals; give it a 1/4 turn inward and test the car. The first light should come on at 4PSI, and the second light should be 10PSI as I recall. The switch is located at the inner fender well, passenger side, forward of the relays. Also, this switch is no longer available from GM or any aftermarket source so be careful adjusting the screw.
-John Spina
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