
1. It is necessary to unscrew the screws #1 and #2 and to withdraw the limit-switch. (you probably have a cover over), You can use tie-rap and fix the switch elsewhere (but it must remain open)
This modification makes it possible turbo to function full-time instead of compressing only when you ask for all the power.
2. Now, to disconnect the connector #4 and to find a means of connecting the selenoid which is below of this connector #4 on the same wire as the connector #3 (fuel cut-off selenoid). You can let the connector #4 hang, it is now useless.
This modification prevents the pump from "delaying" the timing to reduce the Nox (polution) It is necessary that this selenoid(#4) is activated (12v) with each time the engine is ignited to keep the advanced timing even with low RPM.
These 2 modifications will help the softer, more powerful engine to be (a little) and especially more economic.
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